HK-7100A Combustible Gas Detectors

HK-7100A Combustible Gas Detectors ManufactureBeijing Huakeyi Power Plant Instrument Research Institute FeaturesØADVANCED MCU TECHNOLOGY. ØSMT AND INTEGRATIVE DESIGN---Enhance performance and reliability. ØCURRENT TRANSMISSION---Extremely extends the distance of signal transmission. ØCENTRALIZED POWER SUPPLY AND REGIONAL POWER SUPPLY ØLED DISPLAY---Display real-time concentration and operating statues of detector. ØSIGNAL TRANSMISSION--Send measured concentration signal to controller. ØINDOOR AND OUTDOOR USE--Suitable for the harshest environmental conditions. ØUNIQUE MAGNETIC PEN DESIGN--Operate detector through magnetic pen. ØSELF-PROTECTION FUNCTION--Prevent high concentration gas from damaging detector. ØIMPORTED CATALYTIC COMBUSTION SENSOR---Advanced performance with stable measurement, high sensitivity, anti-poisoning, andresist influence. ØSENSOR DIAGNOSTIC FUNCTION---Providealarm and prompt while sensor fault or ageing. SpecificationDisplayLED Display real-time concentration and operating statues of detector (including high alarm, low alarm, and fault alarm)MeasurementCombustible GasesPrincipleCatalytic combustionSample MethodDiffusionMeasurement Range(0 100)%LELResolution1%LELAccuracy±3%LELResponse Time (T90)≤30 sec at 25ºCAlarm ConfigurationTwo levels alarm, the alarm concentration programmableAmbient temperature(-40 70)ºC(need to add heater under -20ºC)Ambient humidity≤93%RH at 40ºC (no condensation)Atmosphere Pressure(86 106) KPaOutput Signal(4 20)mACAN busTransmission Distance≤1000m (2.5mm2)≤10kmConnection Method3-wires4-wiresPower Supply24±6VDC (centralized power supply or regional power supply)Power Consumption≤1WStorage Temperature(-40 85)ºCAnti exploder symbolExdCT6Protection GradeIP66Executive StandardQ/HDHKY024-2006