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MISIR™ - 3 Pages

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Catalogue excerpts

MISIR™ Low Power HVAC Carbon Dioxide Sensor MISIR is a low power (20mW4), high performance CO2 sensor. Based on GSS patented solid state IR sensor technology and innovative optical designs, MISIR is configured to meet the requirements of the HVAC and Demand LED Ventilation markets.  Measurement ranges from 0 to 1% Digital (UART) and Voltage Output Options Automatic calibration Specification General Performance Warm up time Operating Conditions Recommended Storage CO2 Measurement Sensing Method Sampling Method Measurement range Accuracy Non Linearity Calibration Pressure Dependence Operating Pressure Range Response Time Non-dispersive infrared (NDIR) absorption Patented Gold-plated optics, GSS Solid-state source and detector Diffusion 0-2000ppm, 0-5000ppm, 0-1% ±50 ppm +/- 3% of reading1 < 1% of FS Automatic Calibration 0.13% of reading per mm Hg in normal atmospheric conditions 950 mbar to 1100 mbar2 2 Minutes Information supplied by GSS Ltd is believed to be accurate and reliable. However, no responsibility is assumed by GSS Ltd for its use. Rev B 10/2016 MISIR™ Sensor www.gassensing.co

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Electrical/Mechanical Power Input 3.25 to 5.25V. (3.3V recommended). Peak Current 150mA3. Average Current 6mA3. 20 mW3 Power Consumption Dimensions and Wiring Connections The total height is 15mm at the highest point. Description Vsupply 0V Sensor receive line (UART) Sensor transmit line (UART) Voltage output Comment 3.3V to 5.25V Only one GND should be connected 5V Tolerant Voh = Vsupply Vout proportional to CO2 concentration. Full scale = Vsupply Information supplied by GSS Ltd is believed to be accurate and reliable. However, no responsibility is assumed by GSS Ltd for its use. Rev B 10/2016 MISIR™...

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Note 1: All measurements are at STP unless otherwise stated. Note 2: External Pressure calibration required. Note 3: Power measurements for standard CO2 sensor with 2 readings per second. Note 4: Autocalibration is enabled by default on MISIR. For correct operation, the sensor must experience fresh air at some point during the autocalibration period. For details see the application note “COZIR _ Autocalibration”. For other options, refer to users guide. This documentation is provided on an as-is basis and no warranty as to its suitability or accuracy for any particular purpose is either made or...

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