The gas sensing transducer can be used in inflammable and explosive gas leakage places and poisonous and harmful chemical factory, instrument adopted the latest foreign catalytic combustion sensor and its us import electrochemical sensor technology, stable signal, high precision, instrument shell is made of cast aluminum a forming explosion-proof design, connection mode is suitable for all kinds of dangerous areas.
Instrument is widely used in pharmaceutical, chemical fertilizer, natural gas pipe network, sewage treatment, municipal, iron smelting steel, chlorine gas plants, acetylene plant, refrigeration plants, chemical plants, gas station, boiler room, hotel kitchen preparation need antivirus for fire and explosion prevention.
The below gases are available
Gas detected
|
Measuring Range
|
Optional Range
|
Resolution Ratio
|
Response Time
|
LEL -combustible gas
|
0-100%LEL
|
0-100%VOL（Infrared or catalytic ）
|
1%LEL/1%vol
|
≤10s
|
carbon monoxide
|
0-1000PPm
|
0-500/2000/5000PPm
|
0.1/1PPm
|
≤10s
|
TVOC
|
0-100PPM
|
0-100PPM
|
0.1PPm/1PPM
|
≤15s
|
hydrogen
|
0-100%LEL
|
0-1000PPM
|
1%LEL/1PPM
|
≤15s
|
natural gas
|
0-100%LEL
|
0-100%LEL
|
1%LEL
|
≤10s
|
Oxygen-O2
|
0-30%VOL
|
0-30%、0-100%VOL
|
0.1%vol
|
≤10s
|
ozone
|
0-10PPm
|
0-20、100PPm
|
0.01PPm/0.1PPM
|
≤15s
|
hydrogen sulfide-H2S
|
0-100PPm
|
0-50、200、1000PPm
|
1/0.1PPm
|
≤10s
|
Methane-CH4
|
0-100%LEL
|
0-100%VOL
|
1%LEL/1%vol
|
≤10s
|
fluorine
|
0-10PM
|
0-1、10PPM
|
1/0.1PPm
|
≤15s
|
hydrogen chloride
|
0-20PPm
|
0-20/50PPm/100PPM
|
0.01/0.1PPm
|
≤15s
|
Nitrogen-N2
|
0-30%VOL
|
0-30%VOL、100%VOL
|
0.1%LEL/1PPM
|
≤10s
|
hydrogen
|
0-100%LEL
|
0-1000PPm
|
1%LEL/0.1PPm
|
≤15s
|
chlorine
|
0-20PPm
|
0-10、100PPm
|
0.1PPm
|
≤15s
|
ammonia gas
|
0-100PPm
|
0-50、500、1000PPm
|
1/0.1PPm
|
≤15s
|
Functions Features
- Alarm record query function
- Detection accuracy adjustable, adjustable range
- Long life, high sensitivity, low drift, stable and reliable work
- Sensor fault self test, two levels of alarm, with the relay output function
- LCD or LED gas concentration digital display and working status display
- With temperature compensation, automatic zero correction function
- RS485 digital output, can upload PLC, DCS system
- The design of explosion proof is applied to the 1 and 2 zone of the dangerous condition
Technical Parameters
sensor Gas sampling |
Natural diffusion |
Working method |
Continuous |
Signal output: |
4～20mA or RS485 |
Passive contact |
2 relay output(optional) |
Install screw thread |
G1/2；M20×1.5 |
Cable dimension |
≥1.5mm2×3;1.5mm2×4 |
Transmit distance |
≤1000m |
Structural material |
Die Cast Aluminum |
Explosion-proof |
Ex d II CT6 Gb |
Gb Protection |
IP65 |
Working temperature： |
-20～50℃ |
Working humidity |
≤90%RH |
Dimensions |
150×140×70（mm） |
Weight |
≤1.5kg |
Explosion proof No. |
CNEX19.4493X |
