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MinIR™ - 2 Pages

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Catalogue excerpts

MinIR™ Low Power Carbon Dioxide Sensor MinIR is an ultra low power (3.5mW4), high performance CO2 sensor, ideally suited for battery operation and portable instruments. Based on patented IR LED and Detector technology and innovative optical designs, MinIR is a third generation product from Gas Sensing Solutions Ltd – leaders in IR LED CO2 sensing. Measurement ranges from 0 to 100% Peak current only 33mA Compact 20mm diameter package MinIR™ Sensor Specifications General Performance Warm-up Time Operating Conditions Recommended Storage < 10s. 1.2 secs to first reading. 0°C to 50°C (Standard) 0 to 95% RH, non-condensing -30°C to +70°C CO2 Measurement Sensing Method Sample Method Measurement Range Accuracy Non Linearity Pressure Dependence Operating Pressure Range Response Time Non-dispersive infrared (NDIR) absorption Patented Gold-plated optics Patented Solid-state source and detector Diffusion 0-5%, 0-20%, 0-60%, 0-100% ±70 ppm +/- 5% of reading1 (100% Range ±300 ppm +/-5% of reading1) < 1% of FS 0.1% of reading per mbar in normal atmospheric conditions. 950 mbar to 10 bar2 10 secs to 3 mins (Configurable via filter type and application)3 Reading refreshed twice per second.3 Information supplied by GSS Ltd is believed to be accurate and reliable. However, no responsibility is assumed by GSS Ltd for its use. MinIR™ Sensor www.gassensing

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Electrical/ Mechanical Power Input 3.25 to 5.5V. (3.3V recommended). Peak Current 33mA4. Average Current <1.5mA4. Power Consumption 3.5mW4 Dimensions and Wiring Connections Connection 0V V+ TX-Out Rx-In Description GND Connection Postive power supply UART Tx from sensor UART Rx to sensor Comments 0V 3V3 to 5V Voh will be 3V. Sensor output. Used for configuration etc. Note 1: All measurements are at STP unless otherwise stated. Note 2: External Pressure calibration required. Note 3: User Configurable Filter Response. Note 4: Power measurements for standard CO2 sensor with 2 readings per second. This...

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