torque expertdonar.messe.de/exhibitor/hannovermesse/2017/x148533/...equipment supplier and leading...

Http://www.dfzhunda.com

Add: P.O.B.57 South Region of Hanzhong Economic Development Zone,Shaanxi,China

Tel: 86-916-5302096, 86-916-5302188; 86-916-5302092 Fax: 86-916-5302531

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TORQUE EXPERT



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COMPANY INTRODUCTION

LONG HISTORY

In 31th, Dec, 1969, Shaanxi Dongfang Aviation Instrument Co., Ltd. was set

up in Nanzheng county, Hanzhong city, Shaanxi Province. Our company is affiliated

to AVIC Avionics and covers an area of 74000 square meters.

Now we have more than 680 staff, and total assets have reached to RMB 370

million. Our company is the earliest company accepted by the State High-tech

Corporation; own the Technology Center Certified by Shaanxi Province.

ABUNDANT STRENGTH

During the 46 years, we not only keep our traditional technology advantages, but

also speed up our research and development ability. At present, we have 1400 types

of equipment used in machining, heat-treatment, punching, welding, centrifugal

casting, final assembling, physical and chemical testing, measuring and inspecting.

There are another 80 sets of high precision, test and examining equipment, such as

5-Axis Linkage Machining Center, Numerical Control Car(NC), Computerized

Numerical Turn-milling Control Center, Three Combined Test Equipment,

Three-coordinate Measuring Machine(CMM) etc.. The advanced technique and

enough talent pool have greatly improved the R&D capability, the manufacturing

level and the products quality.

QUALITY INSPECTION CAPABILITY



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Our company has a perfect quality management system, all the products inspections

are strictly according to the State standard GB/T19001-2008, GJB9001B-2009,

International Standard ISO9001:2008, EN ISO 12100:2010, and EN60204-1:2006+

AC:2010. We have all kinds of expert inspection persons in charge of the products

inspection. Now our company totally has 65 inspectors, including 17 professional

technical inspector, 6 managers and 42 physical and chemical inspectors, which

involve in the inspection and measuring of length, force, temperature, optics, radio

engineering etc..

Meanwhile we also established the laboratory for quality inspection. The scientific

management system and complete inspection ability greatly improved our products

qualities.

BEST-SELLER PRODUCTS

With the development of the science and technology, torque tools have become

an important parameter in machine measuring. In The Civilian products, we are

standing in a high level to emancipate our mind, Taking customers and the market as

our center, our new generation high-tech products——ZHUNDA Brand torque tools,

have own the Intellectual Property and more than 30 invention patents, which have

gained the national and international customers due to high precision, complete

ranges from 0.2N.m to 20000N.m, stable performance, convenient usage, durable and

circumspect after-sale services.

Our best-seller products as bellows:

Torque Tools and Equipment:

■ Mechanical Preset and Fixed-Value Torque Wrench ; ■ Digital Torque Wrench ;



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■ Dial Indication Torque Wrench; ■ Hydraulic Torque Wrench;

■ Square Drive Slipper Torque Wrench; ■ Torque Screwdriver;

■ Special-Use Pump for Hydraulic Wrench; ■ Torque Multiplier;

■ Torque Wrench Calibrator; ■ Torque Screwdriver Calibrator;

■ Hydraulic Torque Wrench Calibrator; ■ Torque Testing System Equipment;

■ High Precision Torque Wrench Calibrator; ■ Torque Multiplier Calibrator;

■ Electric Loading Torque Wrench Calibrator; ■ Oil Pulse Torque Wrench Calibrator.

■ Portable Hydraulic Torque Wrench Calibrator;

■ Portable Torque Screwdriver Calibrator;

Power Industrial Tools:

■ Air Impulse Tools; ■ Air Industrial Screwdrivers;

■ Industrial Cordless Tools.

BEST-SELLER MARKET

Nowadays, our ZHUNDA Brand torque tools are widely used in aviation, space,

fight, railway, boats and ships, automobile, motorcycle, wind power, petroleum,

bridge, metallurgy, electrical and internal-combustion engine industry etc. ZHUNDA

torque wrenches now have been sold to Europe, North America, South America, East

Asia, Central Asia, South Asia, Middle East and other developing countries.

HONORS & AWARDS

The designing and manufacturing of ZHUNDA Brand torque tools have

achieved the State Standard GB/T15729 GENERAL TECHNICAL CONDITION OF

BRAND TORQUE, and International Standard: ISO6789-92. The production has

obtained the MAKING ME ASUREMENT EQUIPMENT PRODUCT CETIFICATE,

CE certificate and also many National Invention Patents. The design, exploit, produce

and service of the torque tools execute absolutely International Quality Standard

GB/T19001-2008, and achieve the Quality Management System Attestation

Certificate, which awarded by China Xinshidai Certification Body.



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￭ 1999,09, ZHUNDA Brand torque wrench, torque screwdriver and torque

wrench tester have been entitled as the high quality science and technology products

by ASSOCIATION TECHNOLOGIE NOUVELLE DE FRANCE; And also award

the products recommended to the market of E.E.C.

￭ 2011,02, ZHUNDA Brand torque wrench has awarded the certificate of

“BEST OF CHINA” at Asia-pacific sourcing 2011, Cologne by KOELNMESSE &

CHINA NATIONAL HARDWARE ASSOCIATION.

￭ 2011,08, ZHUNDA Brand torque wrench has been found to confirm to BEST

SUPPLIER by MES(MITSUI ENGINEERING & SHIPBUILDING CO., LTD.).

￭ 2011,11, ZHUNDA Brand has been named China Well-known Trademarks.

￭ 2014,06, our company has been one of the drafting company that took part in

the revising of JJG707-2013 TORQUE WRENCH VERIFICATION

REGULATION.

MAIN PARTNERS



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COMPANY VISION

During these years, we always abide by the operation philosophy “Leading

Technology, Military and Civilian Integration, Honest Operation, Scale Developing”

to create the enterprise core competitive power, for the aim of “the excellent airborne

equipment supplier and leading torque tools manufacturer both at home and abroad”.

NB SERIES OF MECHANICAL TORQUE WRENCH (ACCURACY CLASS +/- 4%)

NB series mechanical torque wrench ranges from 1N.m to 3000N.m, It has widely preset value,

you can change the ratchet head into open spanner and the wabbler model.

The wrenches above 680N.m pay more attention to customers’ requirement in the packaging,

transportation, storage by using the fission connection structure.



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ITEM MODEL RANGE

(N.m)

GRADATION

(N.m)

TOTAL

LENGTH

(mm)

ARMS OF

FORCE

(mm)

WEIGHT

(kg)

SQUARE

JOINT SIZE

(in)

OPENING

NOMINAL SIZE

(mm) L1 L2

1 NB-5 1-5 0.05 187 120 0.18 1/4" 5,5.5,6-22

2 NB-10 2-10 0.1 200 140 0.20 3/8"

8.9,10-24 3 NB-22.5G 5-22.5 0.25 255 190 0.44 3/8"

4 NB-25 5-25 0.25 225 165 0.28 3/8"

ITEM MODEL RANGE

(N.m)

GRADATION

(N.m)

TOTAL

LENGTH

(mm)

ARMS OF

FORCE

(mm)

WEIGHT

(kg)

SQUARE

JOINT SIZE

(in)

OPENING

NOMINAL SIZE

(mm) L1 L2

5 NB-50G 10-50 0.5 307 240 0.45 3/8" 8.9,10-24

6 NB-100G 20-100 1 420 350 0.84 1/2" 12,13,14-26

7 NB-180G 40-180 1 530 430 1.48 1/2"

8 NB-200 50-200 1 580 480 1.73 1/2"

15,16,17-36 9 NB-230G 50-230 1 670 580 1.85 1/2"

10 NB-300B 60-300 1.5 680 575 2.6 3/4"



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11 NB-400G 80-400 2 890 788 3.7 3/4"

24,25,26-32,34,

36,38,41,46

12 NB-400B 80-400 2 780 675 3.18 3/4"

13 NB-500B 100-500 2.5 890 788 3.3 3/4"

14 NB-680G 160-680 4 1098 990 6.8 3/4"

ITEM MODEL RANGE

(N.m)

GRADATION

(N.m)

TOTAL

LENGTH

(mm)

ARMS OF

FORCE

(mm)

WEIGHT

(kg)

SQUARE

JOINT SIZE

(in)

OPENING

NOMINAL SIZE

(mm) L1 L2

15 NB-760 160-760 4 1098 990 6.8 3/4" 24,25,26-32,34,

36,38,41,46 16 NB-1000 300-1000 5 1300 1180 7.6 1"

17 NB-1200 400-1200 8 1530 1410 8.5 1"

36,38,41,46,50,

55,60,65,70,75

18 NB-1500 450-1500 7.5 1300 1180 7.8 1"

19 NB-2000 750-2000 12.5 1830 1710 13 1"

20 NB-2000A 720-2000 16 1320 1200 7.6 1"



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ITEM MODEL RANGE

(N.m)

GRADATION

(N.m)

TOTAL

LENGTH

(mm)

ARMS OF

FORCE

(mm)

WEIGHT

(kg)

SQUARE

JOINT SIZE

(in)

OPENING

NOMINAL SIZE

(mm) L1 L2

21 NB-3000A 1000-3000 10 1500 1368 25 1" 36,38,41,46,50,

55,60,65,70,75 22 NB-3000B 1000-3000 10 1600 1447 16 1 1/2''

Remark：NB、NBD series of mechanical torque wrench and NB series of inch torque wrench

can meet the customer’s need to adjust to the ±3% accuracy class.

NBD SERIES OF FIXED-VALUE TORQUE WRENCH (ACCURACY CLASS +/- 4%)

The fixed-value torque wrench has no ruler, and can’t be read directly on the wrench. We will

set a special torque value with customers’ requirement when ordering them.

It can be used in certain places, such as bolt size and the determined torque value, especially in

the assemble line.



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ITEM MODEL RANGE

(N.m)

TOTAL

LENGTH

(mm)

ARMS OF

FORCE

(mm)

WEIGHT

(Kg)

SQUARE

JOINT SIZE

(in)

OPENING

NOMINAL SIZE

(mm) L1 L2

1 NBD-5 1-5 156.6 120 0.15 1/4"

5,5.5,6-22 2 NBD-10 2-10 160 120 0.2 3/8"

3 NBD-25 5-25 190 140 0.25 3/8"

4 NBD-25A 5-25 255 191 0.39 1/2" 8,9,10-24

5 NBD-50 10-50 283 223 0.45 3/8"

6 NBD-100 20-100 347 282 0.48 1/2" 12,13,14-26

7 NBD-200 40-200 495 427 1.5 1/2" 15,16,17-36

8 NBD-300 60-300 700 580 2.96 3/4" 25,25,26-32

9 NBD-500 80-500 826 746 3.5 3/4"

10 NBD-680 140-700 1109 990 6.89 3/4" 34,36,38,41,46,50,55

11 NBD-1200 240-1200 1505 1470 8.2 1" 36,38,41,46,50,

55,60,65,70,75 12 NBD-2000 400-2000 1290 1200 7.5 1"

13 NBD-10E 2-10 213 140 0.2 3/8" ————

14 NBD-25E 5-25 237 161 0.28 3/8"

NB SERIES OF INCH TORQUE WRENCH (ACCURACY CLASS +/- 4%)

ITEM MODEL RANGE GRADATION UNIT

TOTAL

LENGTH

(mm)

ARMS OF

FORCE

(mm)

WEIGHT

(Kg)

SQUARE

JOINT

SIZE

(in)

OPENING

NOMINAL

SIZE

(mm) L1 L2

1 NB-5CI 10-50 0.5 lbf.in 187 120 0.18 1/4" 5,5.5,6,7,

8-22 2 NB-10CI 20-100 1 lbf.in 200 140 0.2 3/8"

3 NB-22.5C 4-20 0.2 lbf.ft 255 165 0.28 3/8" 8,9,10,11,

12-24

4 NB-22.5CI 40-200 2 lbf.in 225 165 0.28 3/8"

5 NB-50C 10-40 0.3 lbf.ft 307 240 0.45 3/8"



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6 NB-50CI 120-400 4 lbf.in 307 240 0.45 3/8"

7 NB-100C 20-80 0.6 lbf.ft 420 350 0.84 1/2" 12,13,14,

15,16-26 8 NB-100CI 240-800 8 lbf.in 420 350 0.84 1/2"

9 NB-180C 35-140 0.5 lbf.ft 530 430 1.48 1/2" 15,16,17,

18,19-36 10 NB-230C 50-170 0.5 lbf.ft 670 530 1.85 1/2"

11 NB-300C 60-200 1 lbf.ft 680 575 2.6 1/2" 24,25,26,

27,28-32,

34,36,38,

41,46

12 NB-400C 90-300 1.5 lbf.ft 890 788 3.18 3/4"

13 NB-500C 100-400 2 lbf.ft 890 788 3.3 3/4"

14 NB-680C 150-600 3 lbf.ft 1098 980 6.8 3/4"

15 NB-1000C 200-760 2 lbf.ft 1300 1180 7.5 1" 36,38,41,

46,50,55,

60,65,70,

75

16 NB-1200C 300-900 3 lbf.ft 1530 1410 8.5 1"

17 NB-2000C 500-1500 5 lbf.ft 1830 1710 13 1"

18 NB-3000C 600-2250 7.5 lbf.ft 1500 1360 25 1"

TW SERIES OF PRESET TORQUE WRENCH (ACCURACY CLASS +/- 3%)

TW series of torque wrench is a high

precision torque wrench with alarm function.

1. The torque range is from 5N.m to 400N.m and the accuracy is +/- 3%.

2. The wrench bar and wrench head adopt general international square connection which can

change into other wrench heads.

3. The main body is made of chromium alloy and the handle is made of plastic which are

comfortable and attractive.

4. The gauge marker is clear and not easy to pollute.

5. The mushroom-type head and ratchet structure make the product attractive and durable.



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ITEM MODEL RANGE

（N.m）

LENGTH

（mm）

ARMS OF

FORCE

（mm）

WEIGHT

（Kg）

SQUARE

JOINTS SIZE

（in）

GRADATION

（N.m）

1 TW15 5-15 210 131 0.36 1/4" 0.25

2 TW25 5-25 292.5 213.5 0.5 3/8" 0.1

3 TW50 10-50 352.5 273.5 0.6 3/8" 0.25

4 TW100 20-100 426 335 1.2 1/2" 0.5

5 TW200 40-200 521 439 1.5 1/2" 1

6 TW300 60-300 619 525 2 1/2" 1.5

7 TW400 80-400 649 555 2.5 1/2" 2

TZ SERIES OF DOUBLE-ARMS TORQUE WRENCH (ACCURACY CLASS +/- 4%)

TZ series of double-arm torque wrench is a new generation of high-quality torque tool. Most of

mechanical preset torque wrenches in market are general products.

It is designed only for bolts on the railway. The humanity design with ratchet wheel helps

people tighten quickly. The special design “T” model makes people stand and operate easily.



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ITEM MODEL WABBLER SLEEVE

SIZE (mm) RANGE (N.m)

TOTAL

LENGTH

(mm)

ARMS OF

FORCE

(mm)

TOTAL

HEIGHT

(mm)

WEITHT

(kg)

1 TZ-160J

36

32-160

626 270 832 4.2 2 TZ-200J 40-200

3 TZ-300J 60-300

CNB SERIES OF DIGITAL TORQUE WRENCH (ACCURACY CLASS +/- 1%)

CNB series of digital torque wrench is a new generation of home-grown high-quality

digital torque measuring tool.

1. The product uses the principle of strain gauge technology and digitizing integrated circuit

technology.

2. It adopts the ergonomic appearance and streamlines shape to optimize the performance.

3. It can apply certain torque to threaded fasteners and display the value digitally.

4. The product has the following features: accurate value, stable performance, high reliability,

long life, low power consumption, bidirectional use and 300 sets of on-line values storage in peak

keeping model.

ITEM MODEL

RANGE GRADATION SQUARE

JOINT SIZE

（in）

ARMS OF

FORCE

（mm）

TOTAL

LENGTH

（mm）

WEIGHT

（Kg） N.m Ibf.ft Ibf.in N.m /Ibf.ft Ibf.in

1 CNB10 2-10 1.47-7.38 17.7-88.5 0.01 0.1 3/8" 283 360 0.75

2 CNB20 4-20 2.9-14.7 35.4-177 0.01 0.1 3/8" 283 360 0.75

3 CNB50 10-50 7.4-36.9 88.5-442.5 0.01 0.1 3/8" 283 360 0.80

4 CNB100 20-100 14.7-73.8 177-885 0.1 1 1/2" 330 412 1.10

5 CNB200 40-200 29.5-147.5 354-1770 0.1 1 1/2" 400 485 1.40

6 CNB300 60-300 44-221 530-2655 0.1 1 3/4" 500 588 1.70



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ITEM MODEL


JOINT SIZE

（in）

ARMS OF

FORCE

（mm）

TOTAL

LENGTH

（mm）

WEIGHT

（Kg） N.m Ibf.ft Ibf.in N.m/

Ibf.ft Ibf.in

7 CNB500 100-500 74-369 885-4425 0.1 1 3/4" 710 789 3.45

8 CNB800 160-800 117-590 1416-7080 0.1 1 3/4" 800 896 7.50

ITEM MODEL


JOINT SIZE

（in）

ARMS OF

FORCE

（mm）

TOTAL

LENGTH

（mm）

WEIGHT

（Kg） N.m Ibf.ft Ibf.in N.m/

Ibf.ft Ibf.in

9 CNB1000 200-1000 147-738 1770-8850 1 1 1" 900 1045 7.50

10 CNB1500 300-1500 221-1106 ------- 1 ---- 1" 1200 1350 10.2

11 CNB2000 400-2000 295-1475 ------- 1 ---- 1" 1200 1350 10.2

NQG SERIES OF SCREW DRIVER (ACCURACY CLASS +/- 6%)

NQG series of torque screwdriver is simple to operate with advanced construction.

1. It has the functions of preset value and slipping alarm.

2. It is a specialized tool for apparatus, meter, mechanical and electrical equipments, home

appliances etc of high standard tightening moment of force.



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NQY SERIES OF FIXED-VALUE SCREW DRIVER (ACCURACY CLASS +/- 6%)

NQY series of fixed-value screw driver is made of stainless steel and aluminum alloy. It

has the following features:

1. small size, light weight and rust-proof in hot or humidity environment.

2. It is suitable to medical industry and other places where certain torque value is needed.

3. When produce the product, the factory can set the required value and lock it according to

customers’ requirements.

4. When loaded to the fixed-value torque, the screw driver will alarm and slipping.

5. It is simple to operate without any overload and under load.

ZNB SERIES OF DIAL INDICATION

TORQUE WRENCH (ACCURACY CLASS +/- 3%)

ITEM MODEL RANGE（N.m） GRADATION

（N.m）

INNER HEX

SHANK SIZE

（in）

TOTAL LENGTH

（mm）

MAXIMUM SIZE

OF RADIAL（mm）

WEIGHT

（Kg）

1 NQG1.2 0.2-1.2 0.01 1/4" 172 25 0.2

2 NQG2 0.4-2 0.02 1/4" 172 31.5 0.3

3 NQG4 0.8-4 0.1 1/4" 187 35 0.4

4 NQG6 1-6 0.1 1/4" 187 35 0.4

ITEM MODEL RANGE（N.m） Square Joint Size（in） INNER HEX SHANK

SIZE （mm） TOTAL LENGTH（mm）

MAXIMUM SIZE

OF RADIAL（mm）

1 NQY2 0.4-2 1/4" 172 25 0.2

2 NQY4 0.8-4 1/4" 172 35 0.4



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ZNB series of dial indication torque wrench is the new generation of high-quality torque

wrench which is developed with military technology.

It is a new version of measuring tool that using pointer in the dial to indicate and remember the

value.

It mainly consists of body, elastic element, amplifier, indication mechanism and memory

mechanism.

It has the following features: beautiful appearance, simple operation, high accuracy, reliable

performance, durable and so on.

It mainly used in aerospace, aviation, ship, automobile, precise machinery, electricity, engine

and internal combustion engine etc where need strict torque value for screw threaded fasteners.

ITEM MODEL RANGE

(N.m)

TOTAL

LENGTH

(mm)

LENGTH

(mm)

SQUARE

JOINT SIZE

(in)

WEIGHT

(kg)

GRADATION

(N.m)

1 ZNB-1.5A 0.2-1.5 225 180 1/4" 0.4 0.02

2 ZNB-3A 0.3-3 225 180 1/4" 0.4 0.05

3 ZNB6A 1-6 225 180 1/4" 0.4 0.1

4 ZNB12A 2-12 225 180 1/4" 0.4 0.2

5 ZNB25A 5-25 250 200 3/8" 0.4 0.5



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6 ZNB50A 10-50 332 257 3/8" 0.6 0.5

7 ZNB100A 20-100 380 307 1/2" 0.7 1

8 ZNB200A 40-200 470 410 1/2" 1 2

9 ZNB280A 50-280 690 605 3/4" 1.65 5

ITEM MODEL RANGE

(N.m)

TOTAL

LENGTH

(mm)

LENGTH

(mm)

SQUARE

JOINT SIZE

(in)

WEIGHT

(kg)

GRADATION

(N.m)

10 ZNB420A 80-420 890 802 3/4" 2.5 5

11 ZNB560A 100-560 1100 999 3/4" 4 5

12 ZNB700A 140-700 1258 1150.5 3/4" 5.5 10

13 ZNB850A 150-850 1360 1252 1" 6.1 10

14 ZNB1000A 200-1000 1490 1345 1" 6.0 10

15 ZNB1400A 200-1400 1500 1350 1" 7.5 20

16 ZNB2100A 300-2100 1655 1510 1" 9.5 20

17 ZNB2800A 400-2800 1655 1510 1 1/2'' 9.6 50

HYDRAULIC TORQUE WRENCH

ZHUNDA brand hydraulic torque wrench is a power torque tool.

1. It can control the moment of force precisely by the system pressure.

2. It has two structure models: the square drive and the hexagon cassette which are made of

titanium alloy and high-strength material.

3. It is an ideal tool to achieve required torque.

4. It also can load and unload the bolts easily.

THE SQUARE DRIVE HYDRAULIC TORQUE WRENCH



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it is made of the high-tech aerospace material (titanium alloy) and high-strength material.

1. The adapter of the oil tube can revolve at 360°×180°and the counterforce arm can be

adjusted at 360°, which is widely used in various situations.

2. It can control the tightening moment of force precisely by the drive system pressure and the

accuracy is up to +/- 3%.

THE HEXAGON CASSETTE HYDRAULIC TORQUE WRENCH（Accuracy：+/- 3%）

It is made by the high-tech aerospace material (titanium alloy) and high-strength

material.

● The adapter of the oil tube can revolve at 360°×360° which is simple to operate.

● It has the separated driving head and operating head. A driving head can assemble with

many operating heads in order to meet the bolts of different specifications.

● It is light, thin, short, small , large torque and mainly applied at the narrow spaces.

Model Range (N.m) Nut Range

(mm)

Square

Drive (in)

Weight

(Kg)

Shape Dimension(mm)

L1 L2 H1 H2 H3 H4 R1 R2

YNBQ-1 190-1900 16-36 3/4" 2 130 182 50 72 99 144 26 99

YNBQ-3 460-4600 22-48 1" 4 170 244 65.5 95 128 172 34 130

YNBQ-5 768-7680 27-56 1-1/2" 7 198 273 76 120 148 193 39 152

YNBQ-10 1470-14700 36-72 1-1/2" 13.1 230 335 96.5 138 178 223 49 185



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MODEL YNBK-2 YNBK-4 YNBK-8

RANGE（Nm） 180-1868 532-5323 1016-10168

NUT（mm） 27-50 27-65 50-90

WEIGHT OF POWER HEAD（kg） 0.9 1.7 3.0

WEIGHT OF OPERATING HEAD（kg） 1.5 3.4 6.3

L 196 258 310

H1 126 163 192

H2 102 136 168

W1 32 42 53

W2 51 66 83

R 35 51 69

S 41 65 90

SPECIAL-USE PUMP FOR HYDRAULIC WRENCH



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Special-use pump for hydraulic wrench has the functions of large flow and quick speed.

It is suitable for all kinds of hydraulic wrenches.

● It can work continuously and the efficiency is 2-3 times more than the normal torque

wrench pump’s.

● The operating pressure can be adjusted from 7 to 70MPa, and with the function of

remote-controlled operation.

● It can start with the pressure with light weight, convenient operation and low error.

● YB-1500B type has the functions of small size, light weight and large flow. This type is the

larger flow pumping station in China and fit for the wind and electricity workplace, steeplejack

industry and narrow spaces.

MODEL POWER(Kw) POWER

SOURCE(Hz)

RATED

PRESSURE

(MPa)

RATED FLOW(L/min) FUEL

(L)

VOLUME

(M3)

WEIGHT(Kg) 7MPa 70MPa

YB-1500B 1.5 220V/50Hz 70 11.5 1.2 9 420*320*520 41

HYDRAULIC TORQUE WRENCH WITH ELONGATOR (Accuracy: +/-3%)

Hydraulic torque wrench with elongator is our new research product. It has a novel structure and

perfective performance. There are 2 kinds of ways:

1. It mainly used in non-counterforce point area. Matching with the elongator, it can consists of special bolt

loading forms, so as to ensure the accurate of the value.

2. Matching with the coaxial counterforce, it can used in common area, and also with long life time.



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Model Range

(N.m)

Nut

(S)

mm

L1

(mm)

L2

(mm)

H1

(mm)

H2

(mm)

H3

(mm)

H4

(mm)

R1

(mm)

R2

(mm)

L3

(mm)

D

(mm)

YNBL-3 600-4200 27-46 156 173 73.5 177 130 173 38.5 133.5 132.5 Φ85

YNBL-5 1030-6900 36-60 188 194 86 205 160 203 46 148 167 Φ128

NJ SERIES OF TORQUE WRENCH CALIBRATOR (ACCURACY CLASS +/- 1%)

NJ series of torque wrench tester is the special-used equipment to examine the torque

screwdriver and the torque wrench.

1. It adopts the new technologies, such as digital filter, calibrating zero automatically and

none-linear compensation in software, which makes the tester sample quickly, measure accuracy,

strong anti-jamming capacity and self-examining.

2. It is very reliable and convenient to operate.

3. Some types of the testers have the RS-232 standard interface to connect, and the data can be

transmitted to the computer for intelligent handling to get the calibrating conclusion.



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MODEL

RANGE

WEIGHT

(kg)

MAXIMUM

EFFECTIVE

ARMS OF

FORCE

(mm)

OUTER DIMENSION(mm)

SLEEVE

HOLE

(mm)

STRUCTURE

STYLE

REMARK

N．m Lbf．ft LENGH WIDTH HEIGHT

NJ-2 0.2～2 0.14～1.47 5 / 280 90 170 1/4" WHOLE

For

Testing Screwdriver NJ-5 0.5～5 0.36～3.69

NJ-10(p) 1～10 0.73～7.38

11 400 500 320 420 1/4"

3/8"

WHOLE WITH

BOARD

1With extra

Equipment

2. P denotes the

computer interface

R232

NJ-30(p) 3～30 2.21～22.14

NJ-50(p) 5～50 3.69～36.9

NJ-100(p) 10～100 7.38～73.8

20 680 770 350 300

3/8"

1/2"

3/4"

NJ-200(p) 20～200 14.7～147.6

NJ-300(p) 30～300 22.1～221.4

NJ-2000A(p) 200-2000 147.5-1475

140 1460 1700 420 540 1"

TRANSDUCER

INTO BOX

TYPE NJ-3000A(p) 300-3000 221.2-2213

Note： If should be Bidirectional check, please note when ordering.

2NJ SERIES OF TORQUE WRENCH CALIBRATOR (ACCURACY CLASS +/- 1%)

MODEL

RANGE

WEIGHT

(kg)

MAXIMUM

EFFECTIVE

ARMS OF

FORCE

(mm)

OUTER DIMENSION(mm)

SOCKET

HOLE

(mm)

STRUCTURE

TYPE

REMARK (N．m) (lbf．ft) LENGTH WIDTH HEIGHT

2NJ-50A 1-50 0.73-36.9 ≤8 450 482 260 140 6.3,10 WHOLE

WITH

BOARD

With Extra

Equipment 2NJ-100 1-100 0.73-73.8 ≤25 500 650 348 300 10,12.5

2NJ-300 3-300 2.21-221.4 ≤25 700 866 348 300 12.5,20



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HNJ SERIES OF TORQUE WRENCH CALIBRATOR (ACCURACY CLASS +/- 1%)

MODEL

RANGE

WEIGHT

(kg)

MAXIMUM

EFFECTIVE

ARMS OF

FORCE

(mm)

OUTER

DIMENSION

(mm)

INSTALLMENT

SIZE（mm）

SOCKET

HOLE

(mm)

STRUCTURE

TYPE REMARK

(N．m) (lbf．ft)

HNJ500（p） 50-500 36.9-369

50 1250 600×380×300

LENGTH 410

WEIGHT 244

HOLE 10.5

10

12.5

20

TRANSDUCE

R ROTATING

&

ASSEMBLING

1. WITH

CALIBRATIN

G FRAME

2. P knot

RS232

HNJ1000（p） 100-1000 73.8-738

HNJ500/100（p） 10-500 73.8-369

HNJ1000/100 10-1000 7.38-738

JGZ5 TIGHTENING TORQUE WRENCH CALIBRATOR (ACCURACY CLASS +/- 1%)

ZHUNDA brand tightening torque wrench tester is a specialized measuring equipment to test

all kinds of bottle caps and bulbs. It has special fixtures to assure the testing. It has the following

features: quick sampling, high efficiency, automatic setting zero and simple operation etc. The

product also has other functions, such as keeping value, following value, digital indication, overload

alarm and unit changing.



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MODEL

MEASUREMENT RANGE WEIGHT

(kg)

OUTER

DIMENSION

(mm)

RANGE

(mm)

STRUCTURAL

STYLE N．m l bf．ft

JGZ5 0.5--5 0.39--3.69 12 330×240×380 φ30-φ180 WHOLE

HIGH PRECISION TORQUE WRENCH CALIBRATOR (ACCURACY CLASS +/- 0.3%)

GNJ series of high precision torque wrench tester uses new high speed integrated circuit chip

in hardware, which adds the data storage function. It adopts digital steadying zero value, second

order digital filter and a series of data acquisition fidelity technologies to make sure the high

performance of the product.

MODEL

MEASUREME

NT

RANGE（N.m

）

ACCURACY ERROR RESOLUTION

CAPACITY

DATA

STORAGE

MAXIMUM

EFFECTIVE

LENGTH

SOCKET

HOLE

STRUCTUR

E TYPE

WEIGHT

(Kg)

GNJ5 0.5-5

Each point’s

0.3% in

10%-100%

measuring

range

Change

after

resetting

≤0.03%

（F.S）

Change one

unit（F.S）at

last numeral

Five Data

on the

Senor of

the

Calibrator

800mm 6.3,10、

12.5、20,

25.4

Transduce

r revolving

combined

type

≤40

GNJ10 1-10

GNJ30 3-30

GNJ50 5-50

GNJ100 10-100

GNJ300 30-300

GNJ500 50-500

GNJ800 80-800

GNJ1000 100-1000 1250mm ≤50

GNJ2000 200-2000 1460mm ≤140

GNJ3000 300-3000



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OIL-PULSE TORQUE WRENCH CALIBRATOR (ACCURACY CLASS +/- 1%)

ZHUNDA oil-pulse torque wrench tester is the new developed specialized measuring

equipment for the oil-pulse torque wrench. It has the features of sampling speed，high resolution,

automatic setting zero and easy operation. The accuracy class is 1(Static Load), and it has the

functions of following, keeping, pulse detection technology and preset value alarm (N.m,lbf.ft) can

arbitrary conversion.

MODEL RANGE

(N.m) WEIGHT (Kg)

DIMENSIONS (mm)

SQUARE HOLE (mm) SOCKET (mm) TOTAL

LENGTH

TOTAL

WIDTH

TOTAL

HEIGHT

NJF-100 10～100

7.5 280 220 135 13 10

12.5 NJF-200 20～200

NJF-300 30～300

HYDRAULIC TORQUE WRENCH CALIBRATOR (ACCURACY CLASS +/- 1%)

YNJ20000 series of hydraulic torque wrench tester is a new generation of torque calibrating

tools.

The products adopts new high speed integrated circuit chip in hardware, which greatly

increased the data storage function.

The product uses the digital steady zero, two step numeral filter and a series of data acquisition

real technologies in the software to insure the high precise performance.



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MODEL RANGE

（N.m）

WEIGHT

（Kg） Accuracy ERROR

RESLOVING

POWER

DATA

STORAG

E

MAXIMUM

EFFECTIV

E ARMS

OF

FORCE

SLEEVE HOLE

REMARK SQUARE

TENON

HEX

SQUARE

TENON

YNJ10000 1000-10000

135 Each point of

1% in 10-100%

measuring

range

Change

≤0.02%（F．s）

after recovering

the position each

time

The last

numeral

≤0.02%

（F．s）

99

240mm

S38 S65 You can order

the link stopper

by the arms of

force

YNJ20000 2000-20000 S63 S90

YNJ30000 3000-30000 145 345mm S63 ------

NJJ SERIES OF CALIBRATING DEVICE

It is the special-use devices to the test torque wrench testers.

NZ SERIES OF TORQUE MULTIPLIER

NZ series of torque multiplier is the precise device that can multiply the moment of force

to 5-125 times. It is used in the difficult situation and places that big torque wrench is unable

to use. The product operates easily and can save the manpower.

1. The accuracy is superior to +/- 4%.

ITEM MODEL STANDARD PARTS TYPES REMARK

1 NJJ-10/30/50 Frame,Cross,Calibrating Bar, Hanging

Rack,

NJ-10(P)、NJ-30(P)、

NJ-50(P)、

2N510(P)

Without

Weights

2 NJJ-300A Setting，wall，Calibrating Bar, Hanging

Rack,

NJ-100(P)、NJ-200 (P)、

NJ-300(P)

3 NJJ-3000A Setting，Calibrating Bar, Hanging Rack, NJ-2000(P)、NJ-3000A (P)

4 HNJJ1000 Calibrating Bar, Hanging Rack, HNJ500（P）、HNJ1000（P）

5 HNJJ1000/100 Calibrating Bar, Hanging Rack, HNJ500/100（P）、

HNJ1000、/10（P）



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2. Due to the high multiply ratio, people even can operate it with small torque. It also applies

to small size and poor working environment.

3. All kinds of reaction torque arms can be used for many conditions.

4. The anti-rebound safety devices makes sure that the operation is easier and safety. (Except

the 5:1 magnification ratio)

5. It can match with the torque transducer and monitor to display the torque value.

ITEM MODEL BODY

HEIGHT (N.m）

MAXIMUM

EXTERNAL

DIAMETER（mm）

INPUT

SQUARE（in）

OUTPUT

SQUARE

（in）

MAGNIFICATION

MULTIPLE

MAXIMUM OUTPUT

TORQUE（N.m）

WEIGHT（Kg）

1 NZ17 156 108 1/2〞 1〞 25 1700 7.8

2 NZ30 224 108 1/2〞 1〞 15 3000 9

3 NZ34 195 119 1/2〞 3/2〞 25 3400 10

4 NZ45 173 108 1/2〞 1〞 26 4500 8.9

5 NZ60 271 119 1/2〞 3/2〞 25 6000 14.6

6 NZ95 234 184 1/2〞 3/2〞 125 9500 27.2

NCS3000 SERIES OF TORQUE TESTING SYSTEM

NCS3000 series of torque testing system is a high sophisticated machine. It mainly used for testing all

kinds of torque wrenches, include mechanical torque wrenches, digital torque wrenches, dail indication

torque wrenches, torque screwdriver etc..

● The main body consists of several transducers, ranges from 0.5 to 3000 N.m, and the accuracy is 0.3%

level. Each transducer has a special restore chip to realize the automatically recognize. The whole system is made



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up of industry control computer, LCD touch screen, Servo System, data acquisition module and load mechanism.

● The precise torque value data acquisition function can easily realize the automatic loading of torque

wrenches. Meanwhile, the LCD touch screen, which is combined with operation and display, can achieve

measuring data processing and data retrieval, also has the functions of data storage, statistics analysis, printing

report and real-time rendering torque curves.

CNB XXB Series of USB Interface electric torque wrench (Accuracy Class：+/-1%)

CNB XXB Series of USB Interface type electric torque wrench is the new update high quality type

measuring tools of our CNB series of electric torque wrench.

It has the following features: high precision, stable performance, durable, low power consumption and

operation easily.

This kind of type has the functions of data saving, saving data test and transfer. Also it can connect with the

PC for data communication and print.

Transducer

Model

Quad Play

Transducer(0.5-300N.m) Uni-body Transducer

Transducer

Specification

(N.m)

5 50 100 300 10 30 500 1000 2000 3000

Range (N.m) 0.5-5 5-50 10-100 30-300 1-10 3-30 50-500 100-1000 200-2000 300-3000

Accuracy +/-0.3% (Transducer Range)

Square Joint

Size 1/4'' 3/8'' 1/2'' 3/4'' 3/8' 3/8' 1'' 1'' 1'' 1''

Weight 700Kg



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ITEM MODEL

RANGE GRADATION SQUARE JOINT

SIZE（in）

ARMS OF

FORCE

（mm）

TOTAL

LENGTH

（mm）

WEIGHT

（Kg） N.m Ibf.ft Ibf.in N.m

Ibf.ft Ibf.in

1 CNB10B 2-10 1.47-7.38 17.7-88.5 0.01 0.1 3/8" 283 360 0.75

2 CNB20B 4-20 2.9-14.7 35.4-177 0.01 0.1 3/8" 283 360 0.75

3 CNB50B 10-50 7.4-36.9 88.5-442.5 0.01 0.1 3/8" 283 360 0.80

4 CNB100B 20-100 14.7-73.8 177-885 0.1 1 1/2" 330 412 1.10

5 CNB200B 40-200 29.5-147.5 354-1770 0.1 1 1/2" 400 485 1.40

6 CNB300B 60-300 44-221 530-2655 0.1 1 3/4" 500 588 1.70

7 CNB500B 100-500 74-369 885-4425 0.1 1 3/4" 710 789 3.45

8 CNB800B 160-800 117-590 1416-7080 0.1 1 3/4" 800 896 7.50

9 CNB1000B 200-1000 147-738 1770-8850 1 1 1" 900 1045 7.50

10 CNB1500B 300-1500 221-1106 ------- 1 ---- 1" 1200 1350 10.2

11 CNB2000B 400-2000 295-1475 ------- 1 ---- 1" 1200 1350 10.2

NJC Series of Torque Multiplier Hydraulic Torque Wrench Test Device (Accuracy Class:+/-1%)

NJC Series of Torque multiplier hydraulic torque wrench is mainly used for test torque multiplier,

meanwhile it also can realize the test for hydraulic torque wrench in the fixed range.

Technical Index:

1、Test Accuracy：the torque input and output from the transducer are 0.5%; all the device accuracy class is

1%.

2、Test Range：Output：10～300N.m; Input：1000～10000N.m.（input has 3 torque transducer for

choose:100N.m,300N.m and 500N.m;Input has 3 torque transducer for choose: 5000N.m,10000N.m and

20000N.m）

3、Temperature：20±10℃

4、Relative Humidity：≤80%

5、Power：AC 220V 50Hz

6、CW/CCW direction for test (only for torque multiplier)



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7、Serial communication

Type Range (N.m) Accuracy Dimension (mm) Sleeve

Hole (mm) Structure

NJC3000 300-3000 Every 1% of

the full range

10%-100%

1190×800×600

25.4 Divided

Connection NJC10000 1000-10000 38.1

NJC20000 2000-20000 63.5

Note: Torque multiplier(Hydraulic torque wrench) has adapter in output and input transducer. The

adapter size mainly include: 38.1(12

1") convert 63.5(2

2

1") , 25.4(1") convert 38.1(1

2

1") etc..

NJT Series of Transfer Torque Wrench For Calibration

Nowadays, all kinds of torque wrenches and spanners are widely used in industries. Also the measuring

instrument, i.e. The torque wrench calibration also widely used in the market. However, most of the operators still

use the weights lever hanging ways to calibrating the torque wrench calibration, which brings much time and

trouble when calibrating.

In 2013, The National Metrology Institute has revised the <National Metrological Verification Regulation of

PRC JJG797-1992 Calibration instrument for torque wrench>, the standard torque wrench has been named the

high accuracy torque wrench device for calibrating the torque wrench calibration.

Outer Structure and components:

The outer structure please see below Fig. 1. It consists of four parts: torque display instrument, high

precision transducer, wrench head and wrench bar. The high precision transducer connects with the wrench head,

wrench bar and wrench head connect with an elastic pin structure that being the wrench main structure part, high

precision transducer and torque display instrument components the acquisition handling part.



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Technical Parameter:

* Measuring Range: 20%~100% of the full range; * Accuracy Class: +/-0.1%, +/-0.3%;

* Operation Temperature: 20℃±5℃; * Relative Humidity: ≤80%;

* Power: 220VAc, 50Hz; * Peak Keeping, Real-time Following;

* Double direction calibrating: CW/ CCW; * Peak Alarming;

* 6 Digital tube display; * 4 Units: N.m, Lbf.ft, Kgf.cm, mV/V;

Details:

Torque Display Instrument

Torque Transducer

Wrench Head

Wrench Bar

Fig. 1 Standard Torque Wrench Outer Structure



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Item Type Calibrating Range(N.m) Accuracy Class

1 NJT10 2~10

2 NJT30 6~30

3 NJT50 10~50

4 NJT100 20~100

0.3% 5 NJT200 40~200

0.1%

6 NJT300 60~300

7 NJT500 100~500

8 NJT800 160~800

9 NJT1000 200~1000

10 NJT2000 400~2000

11 NJT3000 600~3000

Note: Every type has 2 accuracy class:0.1% & 0.3%，totally 11 items.

DNS750 Dynamic Torque Tools Calibration System

DNS750 Dynamic Torque Tools Calibration System is a multifunctional calibration equipment. Attach with

the different dynamic torque transducer, it can test the following tools: power tools, pneumatic torque tools,

oil-pulse torque tools, all kinds of charging power tools, tightening machine and torque tools. DNS750 Dynamic Torque Tools Calibration System is mainly consists of industry control system, data

acquisition module, sensor and Bolt simulator, and the range is from 5N.m to 1000N.m. When the sensor is

10%-20% of the full range, the accuracy is +/-1%, when the sensor is 20%-100% of the full range, the accuracy is

+/-0.5%.

Each sensor has a smart chip in the special use cable, which can easily realize the automatic recognition of

the sensor.

Main functions: high precision dynamic torque value data acquisition function can realize the calibration of

the Dynamic Torque Tools. LCD touch screen and display can save, search, analysis, real time drawing the data.

The system also can management the testing data and print the calibration certificate.



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Sensor spec.

（N.m） 50 200 500 1000

Rang（N.m） 5~50 20~200 50~500 100~1000

Square joint

hole（mm） 10×10 12.5×12.5 20×20 25×25

Accuracy When the sensor is 10%-20% of the full range, the accuracy is +/-1%,;

when the sensor is 20%-100% of the full range, the accuracy is +/-0.5%.

Weight（Kg） 200

Instructions

1、The system at most can set up 4 sensors and 4 bolt simulator, we have set

up 3 sensors(50N.m、200N.m、1000N.m) and 3 bolt simulator for use.

2、Customers can customize the sensor and No..

3、Customers also can customize the adapter according to the needs.

DNC R Series of Dynamic Torque Tools Calibrating System

DNC R series of dynamic torque tools calibrating system is a multifunctional calibration equipment. Attach

with the different dynamic torque transducer, it can test the following tools: power tools, pneumatic torque tools,

oil-pulse torque tools, all kinds of charging power tools, tightening machine and torque tools. And also can test the

torque, angular and revolution, attach with the functions of system management, data analysis and curve drawing. DNC R series of dynamic torque tools calibrating system can be used in the production line, and can real

time testing and calibration.

DNC R series of dynamic torque tools calibrating system is mainly consists of analysis instrument, sensor

and bolt simulator, and the range is from 5N.m to 1000N.m. When the sensor is 10%-20% of the full range, the

accuracy is +/-1%, when the sensor is 20%-100% of the full range, the accuracy is +/-0.5%.

Each sensor has a smart chip in the special use cable, which can easily realize the automatic recognition of

the sensor.

Main functions: high precision dynamic torque value data acquisition function can realize the calibration of

the Dynamic Torque Tools. LCD touch screen and display can save, search, analysis, real time drawing the data.

The system also can management the testing data and print the calibration certificate.



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Model DNC50R DNC200R DNC500R DNC750R

Range（N.m） 5~50 20~200 50~500 100~1000

Sensor（N.m） 50 200 500 750

Sensor square

joint hole（mm） 10×10 12.5×12.5 20×20 25×25

Simulator(soft/ha

rdwired）（N.m） 50 200 500 1000

Accuracy When the sensor is 10%-20% of the full range, the accuracy is +/-1%,;

when the sensor is 20%-100% of the full range, the accuracy is +/-0.5%.

Weight（Kg） ≤4Kg（data analysis instrument）

Instructions

1、Attach with 1 set of data analysis instrument and 1 sensor.

2、Customer can use 1 set of data analysis instrument, and also can order

different range of the sensor;

3、Customer can select the soft/hardwired bolt simulator according to the needs.

TLS SERIES OF DIGITAL FORCE GAUGE

TSL series of digital force gauges is widely used in measuring the push and pull force.

1. It uses the transducer type of double-direction measurement and chip microprocessor

technology.

2. This type of product has many advantages, such as display accuracy, performance stable,

convenience, and low consumption power.

3. With the machine set, they can make up of the digital force gauge tester (vertical or desk).

According to different usages, it becomes more accuracy and convenient.

4. The patant No.:ZL02262033.8.

ITEM MODEL MEASUREMENT RANGE GRADATION WEIGHT

（kg）

OUTER DIMENSION

（mm）（N）（kg）（lb）（N）（kg）（lb）

1 TLS10 2-10 0.2-1 0.44-2.2 0.01 0.001 0.001 0.61

217×68×39 2 TLS50 10-50 1-5 2.2-11 0.01 0.001 0.01 0.62

3 TLS100 20-100 2-10 4.4-22 0.1 0.01 0.01 0.65



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4 TLS200 40-200 4-20 8.8-44 0.1 0.01 0.01 0.65

5 TLS500 100-500 10-50 22-110 0.1 0.01 0. 1 0.68

6 TLS1000 200-1000 20-100 44-220 1 1 1 0.72

DIGITAL FORCE GAUGE CALIBRATOR（MACHINE SET）

MODEL MAXIMUM LOAD（N）

MAXIMUM

INTERMISSION（mm

）

OUTER DIMENSION（mm） WEIGHT

（Kg） REMARK

TL200H 200 250 645*230*170 27 CROSSWISE

TL500L 500 150 200*230*560 13 VERTICAL

NJD Series of Electric Loading Torque Wrench Calibrator

NJD series of electric loading torque wrench calibrator is made up of control meter box, torque

transducer, loading platform, driving motor etc..

The self-combination of the control meter box and the torque transducer, which compose the

precise control and display to the torque tools checking, can easily be operated beyond the loading

platform by the customers. The auto continuous load and manual load of the torque tools are made

up of control meter box, hand control box and driving motor.

The operation buttons and display screen adopt the advanced touch screen technology, and the

manual load also uses the advanced electronic handwheel.

The calibrator operates easy and convenient, it has the following functions: display clearly,

automatically input testing data, intelligent query, high precision (+/-0.3%), sampling quickly

(50k/s), labor saveing etc..

Therefore, it is the ideal testing equipment for customers to examine various of hand tools,

especially for the large and medium-sized enterprises or the measurement Institutes.



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Parameter Table

MODEL

RANGE

WEIGHT

（Kg）

MAX.

ARMS OF

FORCE

（mm）

OVERALL

DIMENSIONS

（mm）

SLEEVE

HOLE

（mm）

STRUCTURE REMARK N.m Lbf.ft

NJD500 50-500 36.8-369 50 1250 600×380×300

10、12.5、

20、25.4

Rotary

combined

type of

sensor

Electric

and

manual

type

NJD1000 100-1000 73.7-738.0

NJD2000 200-2000 147.0-1470 150

1460 1700×800×1000 NJD3000 300-3000 221.2-2213 150

Technical Parameter

Operating temperature: 20℃±5℃；

Rrelative humidity: ≤80%;

Accurate: 0.3 class;

Overload capability: 110% (F.S);

Sampling frequency: 50k/s;

Operation of the touch screen: display size: 200mm×145mm;

Three operation modes (Following, peak keeping and Max. Peak) can automatically convert.

Auto-alarming when error;

Two kinds of units of measurement: reset and zero cleaning;

Five units: N.m、N.cm、Kgf.cm、Lbf.ft、Lbf.in;

Bidirectional (left and right) rotating;

Examine and sensor data can be stored for use;

Power: 220VAC 50Hz.



Tel: 86-916-5302096, 86-916-5302188; 86-916-5302092 Fax: 86-916-5302531

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NBU series of square drive slipper torque wrench (Accuracy class:+/- 6%)

NBU series of square drive slipper torque wrench is a fixed-value torque wrench that can

automatically slipper when reached to the fixed value. We can set the range from 1N.m to 125N.m

according to customers' needs.

● The accuracy class is +/- 6%;

● It uses rubber both in handle and head to make it has a comfortable feel;

● It features in stable performance, good repeatability and convenient to use;

● It can avoid over tightening and dangerous in operation, and is suitable for production line operation.

Parameter

Item Model Length

(mm) Height(mm)

Square

Drive(mm)

Fixed range

（N·m）

1 NBU5 182.5 34.3 6.3 1～5

2 NBU10 182.5 34.3 6.3 4～10

3 NBU25 214 49.5 10 5～25

4 NBU55 323 58.5 10 15～55

5 NBU125 464 67.3 12.5 25～125

NJG Series of Torque Screwdriver Calibrator (ACCURACY CLASS: +/- 1%)

NJG Series of Torque Screwdriver Calibrator is the special equipment to test the torque screwdriver.

● There is a sensor protection mechanism and special fixture to make sure the accuracy of the measuring.

● The hardware adopts the new high speed integrated circuit chip and the software uses a series of data

acquisition fidelity technology, which make the equipment has the features of quick sampling, and measuring

precision.



Tel: 86-916-5302096, 86-916-5302188; 86-916-5302092 Fax: 86-916-5302531

→ 38

● By connected to the computer, the data can automatically calculate and storage.

NJG2/5/10

NJK SERIES OF PORTABLE TORQUE WRENCH CALIBRATION (Accuracy class:+/-

1%)

NJK series of portable torque wrench calibration is our new research calibration. It adopts the split design to

connect the sensor and the main display body. It has the following features: small,light, stable in performance and

easy to install and operate.

The hardware uses the new type High speed integrated circuit chip, which greatly improve the data storage

function. In software, it uses the new technology of digital zero, two step numeral filter and a series of data

acquisition real technologies, which also greatly insure the high precise of the performance and test.

MODEL RANGE

（N.m） Precision

External

Dimensions（mm）

Weight

（Kg）

Transit

hexagon（mm） Structure

NJG2 0.2-2 Each point's 0.3%

in the

range10%—100%

350×230×260 12 S6.3 Integral

Type NJG5 0.5-5

NJG10 1-10



Tel: 86-916-5302096, 86-916-5302188; 86-916-5302092 Fax: 86-916-5302531

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YNJQ SERIES OF PORTABLE HYDRALIC TORQUE WRENCH CALIBRATION

(Accuracy class:+/- 1%)

Features:

1. The transducer is horizontal, which makes the operation of the hydraulic torque wrench more easily;

2. Light weight, attractive appearance and can easily moved by the operator;

3. Can test both SQ. Hydraulic torque wrench and Hex. Hydraulic torque;

4. Range: 2000~20000N.m;

5. Accuracy: +/-1%;

6. Connect square: 63.5;

7. Weight: 42Kg;

8. Dimension: 600mm×300mm×260mm.

MODEL RANGE

（N.m）

WEIGHT

（Kg） Accuracy ERROR

DIMENSION

(mm)

MAXIMUM

EFFECTIV

E ARMS

OF

FORCE

SLEEVE HOLE

REMARK SQUARE

DRIVE(m

m)

HEX

SQUARE

TENON

YNJQ20000 2000-20000 ＜45Kg +/-1%

Change

≤0.1%（F．s） after

recovering the

position each time

600×300×2

60 280

38

63

S65

S90

You can order the

link stopper by

the arms of force

ITEM MODEL RANGE

(N.m)

WEIGHT

(Kg)

DIMENSIONS(mm) SQUARE

HOLE(mm)

SOCKET

(mm) LENGTH WIDTH HEIGHT

1 NJK-50 5-50

4.5Kg 262 182 66

9.7 -------

2 NJK-100 10-100 12.9 10

3 NJK-200 20-200

4 NJK-300 30-300 19.3 10, 12.5

5 NJK-500 50-500

6 NJK-1000 100-1000 25.5 12.5, 20



Tel: 86-916-5302096, 86-916-5302188; 86-916-5302092 Fax: 86-916-5302531

→ 40

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