الوصف

The Ex HK****0A Combustible Gas Detector, based on catalytic principle, is designed for continuous detecting and monitoring of combustible gases in ambient air over the range of ****0% LEL(lower explosive limit) and provides a 4~*0mA output signal that can be connected to a controller, PLC, DCS or similar instrumentation. Applications Chem or petrochemical Gas Station Paint Spray Booth Oil and Gas Industry Refining and Petrochemical Underground Vaults Indoor/Outdoor Air Quality Features Advanced *2 bits MCU technology. SMT and integrative design Bright LED display Advanced catalytic sensor **-stable, sensitive, reliable, anti-poison, anti-interference Fast response ***0mA or CAN bus output *2VDC battery backup Unique magnetic pen design **-all setup and maintenance can be performed without opening the transmitter IP*6 rated enclosure, water-proof, corrosion-proof, vibration-proof Fault alarm when the sensor fails or ages Audio and visual alarm available Specification Display LED It shows concentration , high alarm, low alarm and fault alarm Measurement combustible gases Principle catalytic combustion Sample Method diffusion Measurement Range (0~**0)%LEL Resolution 1%LEL Accuracy ±3%LEL Response Time (T*0) ≤*0 sec (＜*0sec actually ) Alarm Configuration two levels alarm, the alarm concentration programmable Ambient Temperature (**0~*0)ºC Ambient Humidity ≤*3%RH at *0ºC (no condensation) Atmosphere Pressure (*6~**6) KPa Power Supply DC*4V±6V Power Consumption ≤1W Storage Temperature (**0~*5)ºC Anti–explosion Marker Exdâ…¡CT6 Protection Rating IP*6 Applicable Standard GB****2.*****3 Overall Dimension (mm) **0(H) × **0(W) ×**0(D) Mounting wall-mounting, pole-mounting Net Weight 3kg Warranty *8 months (from date of acceptance) Ordering Information HK****0A Model AA AB AD AE Output （4～*0）mA （4～*0）mA CAN CAN Wiring *-wire *-wire *-wire *-wire Transmission ***0 m ***0m ****0m ****0m Audio and visual alarm No Yes No Yes Example ：HK****0AA，*-wire, without Audio and visual alarm Standard Package Detector 1 bottle Magnetic pen 1 piece Bracket 1 piece U-type bolt kits 2 pcs Dust-proof cover 1 piece Cap of fire-resistance 1 piece Mounting screw 2 pcs