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Product Description：
Name：RS485 temperature and humidity atmospheric pressure acquisition module
Type：BND-QYRS
Product Features
? Integrated Switzerland SENSIRION? precision temperature and humidity sensors, and temperature measurements provide 14Bits 12Bits humidity measurement.
? Integrated Switzerland INTERSEMA? precision pressure sensor, provide 16Bits pressure measurements.
? Integrated temperature, humidity, dew point, barometric pressure measurement in one.
? Humidity measurement range 0 ~ 100% RH.
? Temperature measurement range: -40 ° C ~ + 85 ° C.
? Pressure measuring range 10-1100mbar.
? highest precision temperature and humidity measuring up to ± 2% RH, ± 0.3 ℃ (at 25 ℃).
? Pressure Accuracy ± 4mbar (-40-85 ℃).
? full sensor calibration linear output without calibration can be used interchangeably.
? Support for user calibration feature for point or two-point calibration.
? RS485 or RS232 communication, support ModbusRTU / ASCII protocol.
? 9V ~ 30V wide range DC power supply.
? installation or wall installation can be wall mounted to PCB.
? small size, simple installation, the system can be used as expansion modules integrated in existing systems.
? good long-term stability, high reliability and cost-effective.
