968-035

DGS-Ethanol 968-035 March 2017 Digital Gas Sensor – Ethanol BENEFITS           ETHANOL APPLICATIONS • Breathalyzer • Breath Alcohol Detector Low Power – 1 mW @ 1 minute sampling 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 800 ppm Resolution 0.3 ppm (1) Measurement Accuracy 15% of reading Measurement Repeatability (2) < ± 3% of reading T90 Response Time (100 ppm step) Expected Operating Life < 60 seconds 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-Ethanol 968-035 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. Rec. 0 2.6 5 20 0.8 -40 0 -.5 -30 10 0.8 2 1000 20 50 1 12 0 25 50 1 Max. 5000 3.6 30 80 1.2 50 100 .5 50 95 1.2 8 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 Ethanol Carbon Monoxide Hydrogen Sulfide Nitric Oxide Sulfur Dioxide Chlorine n-Heptane Methane Ozone Nitrogen Dioxide Ammonia Applied Concentration (ppm) 200 400 25 50 20 10 500 500 5 10 ppm 100 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 Ethanol 200 251 63 54 12 -14 -13