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Products

Fixed combustible gas detector CRH-80

Category : fixed gas detector
Posted : 2015-09-09 18:38:24
Item : CRH-80
Detail:Fixed combustible gas detector CRH-80,High quality & Good Price!
Ship to : USA/ UK / FRANCE / SPAIN / GREECE / CANADA / Russia / Africa /Australia/ Other countries, pls contact us.
Fixed combustible gas detector CRH-80

    gas detector factory, CRH-80 Fixed combustible gas detector, gas detector suppliers

    CRH-80 Fixed Combustible gas detector is a new type gas detector which used high 

    performance gas sensor and microcontroller technology. It has following advantages: 

    good repeatability, high resistance to humidity temperature jamming, long performance 

    life and simple operation. It is applied to inspection for gas concentration in industrial  environments. It can translate theappointed gas concentration signals into  electric 

    current signals or digital signals for outputting and transmitting.

    Features

    1. High sensibility, rapid response, short polarization time;

    2. 4-20mA standard analog signal or RS485 digital signal output;

    3. Two-level passive contact output (optional);

    4. Infrared remote controller operation (remote controller is optional part);

    5. Possible to connect to DCS system directly;

    6. Explosion-proof design complies with the requirement of applying in Zone 1,2. 

    Technical Specifications

    Applicable Gas

    Combustible gas (methane, propane, hydrogen, etc)

    Detecting Range

    0-100%LEL              

    Alarm Threshold

    25%LEL / 50%LEL       

    Sampling

    Diffusion

    Sensor Type

    Catalytic combustion sensor

    Sensor Life

    3 years

    Response Time (T90)

    ≤30s

    Operating Environment

    Temperature:-40°C~70°C

    Humidity: ≤95%RH (non-condensing)

    Pressure: 86kPa~106kPa

    Working Voltage

    DC 24V±6V

    Power Consumption

    ≤3W

    Output Signals

    Three-wire system 4~20mA standard signals output;

    Four-wire system RS485 signal output (optional)

    Installation Means

    Wall mounted

    Transmission Distance

    ≤1000m

    Explosion-proof Type

    Explosion insulating

    Explosion-proof Index

    Ex d IIC T6 Gb

    Protection Grade

    IP65

    Install Screw Thread

    M20*1.5 (Female Screw)

    Cable

    RVVP 1.5mm2×3 or RVVP 1.5mm2×4

    Transmit Distance

    ≤1000m

    Dimension

    180 mm×140 mm×80 mm

    Weight

    About 1Kg

    CRH-80 Fixed Combustible gas detector is a new type gas detector which used high performance gas sensor and microcontroller technology.
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