968-034

DGS-CO 968-034 March 2017 Digital Gas Sensor – Carbon Monoxide BENEFITS           CO MONITORING APPLICATIONS • Life Safety Levels • Air Quality Levels Low Power – 1 mW @ 1 minute sampling Fast Response – 15 seconds typical Calibrated & Temp. Compensated Output Simple Digital UART Interface Integrated T & RH Sensors Robust 10-year Estimated Lifetime ROHS Compliant Small form Factor UART to USB adapter provided Lightweight (< 2 oz.) DESCRIPTION SPEC Sensors now offers an easy way to add gas sensing to the Internet of Things. Combining our Screen Printed ElectroChemical sensor technology (SPEC Sensor™) with state-of-the-art electronics and algorithms, enables easy integration of small, lightweight, high performance, ultra-low power consumption gas sensing into wireless, portable, and networked solutions. MEASUREMENT PERFORMANCE CHARACTERISTICS Based on Standard Conditions 25 ºC, 50% RH and 1 atm Measurement Range 0 to 1000 ppm Resolution 0.1 ppm (1) Zero Accuracy ± 1 ppm (2) Measurement Accuracy 15% of reading Measurement Repeatability (2) < ± 3% of reading or 2 ppm, whichever is greater T90 Response Time (100 ppm step) Expected Operating Life < 30 seconds (15 seconds typical) 1 mW for 1 minute triggered samples 12 mW for continuous sampling 5, 10 30, 60 second intervals > 5 years (10 years @ 25± 10C; 60 ± 30% RH) Operating Temperature Range -20 to 40 °C (-30 to 55 °C intermittent) Operating Humidity Range 15 to 95% (0 to 100% non-condensing intermittent) Mechanical Dimensions 1.75 x 0.82 x 0.35 in. (44.5 x 20.8 x 8.9 mm) Weight < 2 Ounces Power Consumption NOTES: 1) 2) 3) 4) Based on Standard Deviation of noise at zero, 1 Hz measurement 60 second averaging. When zeroed after 60 minutes of power-on stabilization Based on consecutive measurements of 100 ppm Contact factory for custom calibration for improved measurement performance PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of the SPEC Sensors standard warranty. Production processing does not necessarily include testing of all parameters. Copyright © 2011-2017, SPEC Sensors LLC DGS-CO 968-034 March 2017 ABSOLUTE MAXIMUM RATINGS Parameter Maximum Concentration Supply Voltage Storage Temperature Storage Humidity Storage Pressure Storage Time Operating Temperature Operating Humidity Operating Pressure Operating Temperature Operating Humidity Operating Pressure ESD Rating Conditions Short term exposure Regulated Vapor sealed @ 50% RH Non-condensing, vapor sealed Vapor sealed Vapor sealed < 10 hours < 10 hours, Non-Condensing Transient pulses Continuous Continuous, Non-Condensing Continuous Human Body Model Min. 0 2.6 5 20 0.8 -40 0 -.5 -30 10 0.8 2 Rec. Max. 1000 5000 3.6 30 80 1.2 50 100 .5 50 95 1.2 8 20 50 1 12 0 25 50 1 Units ppm V ̊C % RH atm Months ̊C % RH atm ̊C % RH atm kV ELECTRICAL CHARACTERISTICS Parameter Supply Current Power Consumption Conditions Min. V+ = 3.0 V V+ = 3.0 V 0.05 0.15 Typ. Max. 4 12 Units mA mW CROSS SENSITIVITY The following table lists the relative response of common potential interfering gases, and the concentration at which the data was gathered. Gas/Vapor Carbon Monoxide Hydrogen Isopropyl Alcohol Carbon Dioxide Methane Ammonia Nitrogen Dioxide Hydrogen Sulfide Ozone Sulfur Dioxide Chlorine n-Heptane Toluene Acetone Applied Concentration 400 ppm 100 ppm 200 ppm 5000 ppm 3000 ppm 100 ppm 10 ppm 25 ppm 5 ppm 20 ppm 10 ppm 500 ppm 200 ppm 200 ppm PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of the SPEC Sensors standard warranty. Production processing does not necessarily include testing of all parameters. Typical Response PPM CO 400 17 1.3