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SH-A2 Heat Meter
Product Name: SH-A2 Heat MeterPlace of Origin: ChinaSH-A2 is the second generation of heat meter developed by Seasun. It comprises a flow sensor, two temperature sensors and a calculator. Double batteries are supplied. The main power supply adopts long-life Lithium battery. Communication power supply is independent battery. Therefore, the measuring and communication do not affect each other. It has infrared and collection unit remote meter reading functions. It is appropriate for heating management utility to measure heat consumption in flats.Technical parameters:1) Min. flow volume measuring:2) Pressure:a) Pressure : &le ;1.6Mpab) Pressure losing: ≤0.025MPa3) Temperature:a) Temperature range: 4 ~ 95oCb) Min. temperature difference accuracy: 0.05oCc) Min. temperature difference: 3oC4) Power supply:a) Voltage: DC 3.0±0.2Vb) Working life: ≥5 yearsc) Voltage for communication: DC 3.0±0.2Vd) Life of communication: ≥3 years5) Power losing:a) Static working current: ≤10μAb) Max. working current: 4mA6) Measurement accuracy: cl. 37) Working ambient conditions:a) Temperature range: -25 ~ +55oCb) Limited temperature range: -25 ~ +65oCc) Relative humidity: ≤85%8) Storage ambient temperature range: -25 ~ +70oCFeatures:1) Adopts high performance pt1000 resistance temperature sensor2) 16-bit AD converter, power losing of measuring temperature is low, widthmeasuring range, high accuracy and good stability3) Adopts advanced flow sensor to get precise flow value4) MCU is ultra-low-power consumption, high integrative and high operation speed. Itcan operate on wide temperature range5) Isolated optical communication interface has high security6) Isolated heating measure system can not be affected by communication7) Perfect data storage function8) Main power supply adopts high performance lithium battery
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