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COSMO INSUTRUMENTS CO.,LTD.

AIR LEAK TESTER

Doc No.CSC-1534B-A

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PlantBuilt in December, 2006

Plant has Production, Purchasing, Service, System Management departments. Also Clean Room, Training Room, Meeting Room are available.

Head OfficeHead office has the core infrastructures such as Sales, Technical, General Affair departments

COSMO INSTRUMENTS CO.,LTD

TOKYO JAPAN

Clean Room 2FAssembly Line 1FInspection Line 1F

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Employee

Foundation

Management Principle Make great contribution to society through customers

Always respect and prioritize customer’s opinion and offer the best solution through products and services Provide the high-quality, excellent and innovative products Always try to improve own skills and abilities to reach higher level.

25/JUN/1970

72 Million Japanese Yen

Cosmo has received the award for “Best 300 Small and Medium Enterprises of shop-floor production (MONOZUKURI) in June, 2007

Award from Ministry of Economy, Trade and Industry

140 employees

Our Value

Capital Fund

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ISO9001 Acquired in 1999Certification No#：JQA－QM3681Certified Organization：JQAScope of Certification：Head office･Plant, Domestic Sales offices, CST (USA)

ISO14001 Acquired in 2005Certification No#：JQA－EM5044Certified Organization：JQAScope of Certification：Head office、Plant

ISO/IEC 17025 Acquired in 2009Certification No#：RCL00350Certified Organization：JABScope of Certification：Dynamic Quantity（Calibration of Pressure)Cosmo Group Calibration Laboratory

Quality

Environment

Calibration

Approach to ISO Certification

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Water-dunk method is the easiest example of Leak Testing (Air-tightness test). A bubble comes out of a part to be tested if there are leaks when dunking it in water and pressurize.

The following picture shows the part has leaks.

Parts

LeakHot

Water

What is Leak Testing???

Parts

Leak

Air

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［No Leaks from Part］Part

（ ）DPS

Diaphragm

Air

Valve

Reference

CPU

Judge as OK

000AMP

［Leaks from Part］

0

Part

(DPS）

Diaphragm

Air

Valve

Reference

Leaks

CPU

Judge as NG

+100AMP

Display

Principle of Differential Pressure Method

OK NG

Display

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Air-operated Valve

Sensor Manifold

DPS

CHG BAL DET

Pressurize both a part to be tested and a reference part (no leak at all).

Stop pressurizing and separates the part and reference.

Detect a pressure difference between the part and reference. Full scale of DPS : 1kPa

<Measurement Procedure>

Pilot Pressure

P.S

DPSTest Pressure

AV1 AV2 Stop ValveReference

Exhaust

Part

Pneumatic Circuit of Cosmo Air Leak Tester

Intelligent ⅠPneumatic Circuit

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Multi-linked Type

LS-1441(SH16)

LS-1822ALS-1881

Standard Type

Specialized in Sealed Parts Specialized in Ultra-high Pressure (up to 16MPa)

LZ-1550

Specialized in Small Sealed Part

LS-1441(ZS)

LS-1842

Lineup of Air Leak Tester

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Up to 8 pneumatic circuit can be connected to a monitor

High performance CPU allows quick processing

Great in maintenance

4 displays in one monitor

LS-1881 Features

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Applications

Automobile MedicalHome Appliance・Gas

Electrical Appliance･Sealed Product

12Fuel Joint High-pressure Hose

Artificial BladderElectrical Device

Pipe Joint

Water-proof Digital Camera

Back Monitor (Car)

Leak Testing Machine (1)

13Diesel Engine ASSY

Cylinder BlockTransmission

Cylinder Head

Intake ManifoldFuel Injector Water Pump

Leak Testing Machine (2)

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DF-2800

Digital Flow MeterAir Flow Tester AF-2220 AF-2400 DF-230BA

DP GaugeDP-330

DP-330BAPressure Controller

PC-4660Micro Pressure

ElectroPneumaticRegulatorPRV-700Micro Differential

PressureTransducerPT-105A-A

Digital ManometerDM-3501

Flow Tester

Manometer・Pressure Controlling Device

Air Flow Tester Laminar Flow Mass Flow

Pressure Controlling Device

Manometer

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Fuel Cap Test Machine Suction Joint Test Machine

Micro Pressure Electropneumatic Regulator

PRV-700

Micro Differential Pressure Transducer

PT-105A-A

Laminar Flow Tube

Mass Flow MeterDF-230BA

Flow Test Bench

Flow Tester/Meter

Calibration Machine

Pressure / Flow Testing Machine

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TOYOTA MOTORNISSAN MOTORHONDA MOTORMAZDA MOTORMITSUBISHI MOTORSSUZUKI MOTORFUJI HEAVY INDUSTRIESDENSOKAWASAKI HEAVY INDUSTRIESAISIN SEIKI CALSONIC KANSEIJATCO

AND OTHERS…

Major Customers (1)

Automobile

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TOSHIBANECHITACHIFUJITSUPANASONICSMCOMRONKYOCERASANYO ELECTRICCKDSEIKO EPSONTDKMITSUBISHI ELECTRIC

AND OTHERS…

Major Customers (2)

Electronic･Electric

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ASAHI KASEINOKTOTOMOLTEN RYOBI

AND OTHERS…

RINNAINORITZPALOMAYAZAKI

AND OTHERS…

Major Customers (3)

Gas Appliance

Medical・Others

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Meeting for specific requirementTrial testingCoordinate with machine builder

Back up serviceRepairCalibration

AdvertisementParticipation of ExhibitionTechnical training session

What Cosmo Offers

Before Service

After Service

Sale Promotion

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Calibration

We recommend the annual regular calibration of Cosmo’s differential pressure sensor.

This could be carried out at on-site or Cosmo office.

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Kita Kanto Sales OfficeService Center

Tohoku Sales Office

Hamamatsu

Sales Office

Nagoya Sales OfficeService Center

Osaka Sales OfficeService Center

Hiroshima Sales Office

Tokyo Sales OfficeHead Service Center

Kyushu Sales OfficeService Center

Japan Network

8 Sales Offices and 5 Service Centers

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CHINA Indonesia Thailand UK

USA

Canada

MexicoKorea

IndiaThailand AustraliaIndonesiaChina

Taiwan

Malaysia

Singapore

UK

(Service only)Vietnam

Brazil

Overseas Network (15 nations)

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☆☆☆Road To Europe！☆☆☆

Thank you for

your time!!