Fixed Gas Detection 4-20mA Analog Online NH3 Ammonia Gas Detector Sensor
Introduction:
This series of gas detection transmitter uses imported electrochemical sensors (combustible gas using catalytic type). This gas transmitter has been developed with years of experience in the development and production of gas detections, and can be widely used in metallurgy, petroleum, chemical, coking, municipal, gas, sewage treatment and special industries, and apply for continuous monitoring of a variety of gas concentration in working environments. Transmitters use explosion-proof design, 4mA ~ 20mA standard signal or directly into the DCS system, this transmitter is high sensitivity, fast response, long life, short polarization time and so on. Our products have achieved the domestic similar product advanced level.
Technical Data:
Model No.: MT03 Series
Sensor: Electrochemical or Catalytic or Infrared Sensor
Responding time: ≤40s
Work pattern: Continuous operation
Working power supply: DC24V
Output Current: 4－20mA(or direct output relay switch)
Output: Two-wire or three-wire system(combustible gas only two-wire system)
Temperature range: －20℃ ～ 50℃
Humidity range: 10 ～ 90％(RH)No condensation
Ex-Proof: Exd II CT6
Gas Measurement List:
| No. | Gas | Detecting Range | Resolution | Low/High Level | Accuracy |
| 1 | PH3 | 0-20ppm | 0.1ppm | 5ppm/10ppm | ±5%(F.S) |
| 2 | O2 | 0-30%vol | 0.1%vol | 19.5%vol/23.0%vol | ±5%(F.S) |
| 3 | EX | 0-100%LEL | 1%LEL | 25%LEL/50%LEL | ±5%(F.S) |
| 4 | CO | 0-1000ppm | 1ppm | 50ppm/100ppm | ±5%(F.S) |
| 5 | H2S | 0-100ppm | 1ppm | 10ppm/20ppm | ±5%(F.S) |
| 6 | NO2 | 0-20ppm | 0.1ppm | 3ppm/10ppm | ±5%(F.S) |
| 7 | NO | 0-250ppm | 1ppm | 25ppm/50ppm | ±5%(F.S) |
| 8 | SO2 | 0-20ppm | 0.1ppm | 5ppm/10ppm | ±5%(F.S) |
| 9 | CL2 | 0-20ppm | 0.1ppm | 1ppm/10ppm | ±5%(F.S) |
| 10 | NH3 | 0-100ppm | 1ppm | 25ppm/50ppm | ±5%(F.S) |
| 11 | H2 | 0-1000ppm | 1ppm | 50ppm/100ppm | ±5%(F.S) |
| 12 | HCN | 0-10ppm | 0.1ppm | 1ppm/5ppm | ±5%(F.S) |
| 13 | HCL | 0-10ppm | 0.1ppm | 1ppm/5ppm | ±5%(F.S) |
| 14 | CH4 | 0-100%LEL | 1%LEL | 25%LEL/50%LEL | ±5%(F.S) |
Note: Special gas or different range is also available
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precision Detection 4 - 20mA Fixed Gas Detector NH3 Ammonia Gas Sensor Images
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