gas detector

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Features  It adopts MCU technology.  It adopts the current transportation method which enhances the signal transport distance  It has LED display. It can be used for monitoring the combustible gas and alarming that is during the low exploding range under the industrial environment and transmitting the gas concentration information to the controller timely.  Special operation method of using the magnetism pen.  Self-protection function can avoid being impacted by the high concentration gas.  It adopts the advanced catalyse combustion sensor which has the good performance in the stability, anti-toxic and anti-jamming .  It can avoid failing to report as the sensor can recognize and alarm automatically when the sensor has fault or losing function as aging.  The advanced SMT technology and integrative design enhanced the capacity and stability. Specification Display：LED display, it can monitor the concentration of the gas timely in the locale and Indicate the high, low and fault by the indicator light. Detecting gas: Combustible gas. Principle for sensing: catalyse combustion sensor. Sampling method: Natural diffusion. Measuring range:( 0～100)%LEL Distinguish: 1%LEL Measuring precision: ±5%LEL Responding time(t90）：≤30 second Alarm concentration: Two level alarms, the first and second concentration alarm can be set manually. Ambient temperature: (-40～70)℃（you should prepare the heating equipment when the temperature is lower than -20℃） Ambient humidity: ≤93%RH（40℃），no condensation. Air pressure:(86～106)kPa Analog transmission: (4～20)mA Transmit distance: ≤1000m (2.5mm2) Working voltage: DC(24±6)V（bus-mastering or independent supply power） Connection method: Three cable. Power consumption：≤1W Transportation temperature：(-40～85)℃ Anti –exploder symbol：ExdⅡCT6 Protection grade：It can achieve IP66 Execute standard：Q/HDHKY024--2006

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Beijing Huakeyi Power Plant Instrument Research I

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