dtx - 气体探测器-深圳特安exsaf首页-特安官网 product manual.pdf · 2016. 11. 9. ·...
TRANSCRIPT
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DTX
DTXCombustible Gas Detector●Combustible gas leak inspection equipment ●Ex-proof certificate Exd ⅡC T6 Gb●Dust Ex-proof certificate Ex tD A21 IP66 T80℃●Site LCD display●Replaceable sensor design
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DTX Combustible Gas Detector
SpecificationsDetected gas: combustible gasDetection theory: catalytic combustion typeMeasure scope: 0~100%LELAccuracy: ±3%LELRepeatability: ±2%Response time: T90<20S
ElectricalPower supply: 24VDC (normal working voltage: 10~30VDC)Power consumption: <2.5Woutput signal: 3-wire 4~20 mA 3-wire 4~20 mA +relay(1A@24VDC) 3-wire 4~20 mA +relay(1A@24VDC) + audial & visual alarm (96dB @0.1m)
StructuralMain parts material: ADC12 aluminum alloy/316 stainless steelThread: M20X1.5, 1/2NPT internal thread ( select G3/4 or G1/2 or 3/4NPT)Weight: 1.5kg (aluminum alloy, with audial & visual alarm) 1.42kg (aluminum alloy, without audial& visual alarm) 3.48kg (stainless steel, with audial & visual alarm) 3.4kg (stainless steel, with audial & visual alarm)
CertificateEx-proof certificate: Exd ⅡC T6 Gb/ Ex tD A21 IP66 T80℃Fire safety certificate: CCCFMetrological certificate: CMCStandard implemented: GB 15322.1-2003, GB 3836.1-2010, GB 3836.2-2010, GB 3836.4-2010, GB 12476.1-2013, GB 12476.4-2010, GB 12476.5-2013, JJF 1363-2012, JJF 1368-2012, JJF 1421-2013, JJF 1364-2012
Operating conditionIP rating: IP66Temperature: -40℃~70℃Humidity: 10~95%RH (Non-condensing)Pressure: 86~106KPa
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121.0122.519
8.5
Dimension
Product faultAlarm indicate
Zeroing indicate
Communication guide
Gas density unit detected
Density value
Unit: mm
Display
12
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10.0
04
12.
04
3
Ø 40.00- Ø 80.00
17.00
102.0086.00 36.00
Unit: mm
Mounting bracket
Mounting style
Horizontal pole Vertical pole Wall type
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DetectorController
Calibration cupConduit
Pressure relief valve with flow meter
Standard gas cylinder
Commissioning and calibration
Display cover assembly
Display assembly
Peripheral components
Enclosure assembly
Sensor assembly
Explosion-proof cover
Weatherproof cover
Audial alarm assembly
Visual alarm assembly
Terminal cover assembly
EMC components
Components
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Wiring terminal with relay
Wiring terminal
Terminal wiring
Site commissioning
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connection of 3-wire detector with controller (with relay)
V+
3
2
1
3
2
1
DetectorController
S
V-
4
5
RL
Equipment power supply
Equipment
V+
S
V-
J
K
Equipment connected with relay
Electrical wiring
Cable peeling position
Wiring Terminal
Flameproof adaptor
Cable
Flameproof wiring style
Take equipment with relay for instance
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选用电缆截面积与24VDC供电传输距离见下表:
(product type selection demonstration)
DTX Gas Detector Type Selection TableModel Product illustration
DTX Gas detector
Code Sensor type code
CP Catalytic combustion type (common)
Code Gas type
KXXX Combustible gas (see combustible gas list)
Code Range
LEL 0-100%LEL
Code Electrical interface
M20 M20
12NPT 1/2NPT
G34 M20X1.5 rotate to G3/4
G12 M20X1.5 rotate to G1/2
34NPT M20X1.5 rotate to 3/4NPT
Code output signal
3A 3-wire 4~20 mA
3AJ 3-wire 4~20 mA+relay
3AJS 3-wire 4~20 mA+relay+audial and visual alarm
Code enclosure material
C12 ADC12 aluminum alloy
316 316 stainless steel
Code mounting style
P normal mounting style
Code System name
X ExSAF gas detection system
Cross-sectional Area(mm2) 1.00 1.50 2.50
Resistance (ohms per km) 18.1 12.1 7.4
Maximum Distance(m) (loop distance) combustible gas
1500 2500 3000
DTX CP K001 LEL G34 3A C12 P X
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DTX Detectable Combustible Gas List
NO. Gas name Formula Corresp. D.Flash point (℃)
Combustible limit (V %) Ig. TEMP
(℃)MESG(mm)
TEMP G. Grade
LFL UFL
K001 Methane CH4 0.55 — 5 15 540 1.14 T1 IIA
K003 Methanol CH3OH 1.11 11 6.7 36 385 0.92 T2 IIA
K004 Methyl formate HCOOCH3 2.07 -18.9 5 23 465 T1 IIA
K005 Ethyl formate HCOOCH2CH3 2.65 -20 2.8 16 455 0.91 IIA
K006 Ethyl methyl Ether CH3OCH2CH3 2.1 -37 2 10.1 190 T4 IIB
K007 Ethane CH3CH3 1 .04 — 3 15.5 515 0.91 T1 IIA
K009 Ethanol CH3CH2OH 1.59 12.8 3.3 19 422 0.91 T2 IIA
K011 Ethylene CH2=CH2 0.97 — 2.7 36 425 0.65 T2 IIB
K012 Methyl acetate CH3COOCH3 2.56 -10 3.1 16 501 T1 IIA
K013 Ethyl acetate CH3COOCH2CH3 3.04 -4.4 2.2 11 427 0.99 T2 IIA
K014 N-butyl acetate CH3COOCH2(CH2)2CH3 4.01 22 1.7 7.3 425 1.04 T2 IIA
K015 Propane CH3CH2CH3 1.56 — 2.1 9.5 466 0.92 T1 IIA
K016 Propyl alcohol CH3CH2CH2OH 2.07 25 2.1 13.5 440 0.89 T2 IIB
K017 Propylene CH2=CHCH3 1.5 — 2 11.1 460 0.91 T1 IIA
K018 Acetone (CH3)2CO 2 -17.8 2.6 12.8 465 1.01 T1 IIA
K019 Butane C4H10 2.05 — 1.9 8.5 405 0.9 T2 IIA
K020 Butanone CH3CH2COCH3 2.48 1.1 1.8 10 404 0.84 T2 IIB
K021 Butadiene CH2=CHCH=CH2 1.87 — 2 12 420 0.79 T2 IIB
K022 Pentane C5H12 2.48