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    4-20mA output fixed ammonia gas detector with infrared remote control
    The Gas Transmitter Basic parameters
    Size: 144 mm * 190 mm * 74 mm
    Weight: about 1130 g
    Sensor types: electrochemistry method
    (gas catalytic combustion type, special separately)
    Destination gas: oxygen (O2), gas (EX), poisonous and harmful gases (CO, H2S, NH3, CL2, etc.)
    Response time: ≤30s(O2); ≤40s(CO) ; ≤20s(EX)
    Working pattern: continuous work
    Working voltage: DC24V
    Output signal: 4-20 mA
    Output way: two wire or three wire, three wire system can output a set of relay switch signal
    Temperature range: – 20 ℃ ~ 50 ℃
    Humidity: 15% ~ 90% RH (No condensation)
    Explosion-proof number: CE101084
    Explosion-proof marks: Exd II CT6
    Connection mode: three-wire system according to the instruction manual one-to-one connection, two wire circuit done meter processing.
    Transmission cables: two core shielded cable, section 2 x 1.5 mm2
    (three-wire system adopts three core shielded cable 3 x 1.5 mm2)
    Transmission distance: <1000 m
    Characteristics & Functions
    1. Being compatible with all kinds of controlled alarms, PLC, DCS and other control system, can be remote monitored.
    2. Explosion-proof design, fast, reliable and stable. Explosion-proof grade: Ex dⅡCT6
    3. With self-calibration function, and three standard keys will be used to realize on-site maintenance.
    4. Monitor the NH3 concentration in environment or pipeline and alarm.
    5. Two-stage alarm with sound and light, alarm point is settable.
    6. Infrared ray controller can remote control alarm point settings, zero calibration, and address modification.
    7. Can output one or two on-off signals, can drive ventilator or solenoid valve and other external devices.
    Our service
    1.For all our customers, we guarantee one year warranty, and life-long maintenance.
    2.All inquiries will be replied in 24 hours.
    3.We will provide technical support, our engineers will help to solve the problems you met.
    4.We can provide OEM service.
    5.We are manufacturer with own factory, welcome to visit our factory.
    6.All products will be well checked and well packed before shipment, and qualification certificatewill be provided.
    Our certificate
    Gas detect table4-20mA signal output gas detector
    website:http://www.huafansmart.com/2014-type-gas-detector/gas-control-cabinet/