Dgs-So2 968-038 Digital So2 Sensor Module

DGS-CO 968-034 Digital CO Sensor Module DESCRIPTION Easily add Carbon Monoxide sensing to your IoT application with our digital CO sensor module that provides a calibrated and temperature compensated output. 0 to 1000 ppm Carbon Monoxide sensor with digital output DGS-CO 968-034 Digital CO Sensor Module BENEFITS * 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.) DGS-CO 968-034 Digital CO Sensor Module APPLICATIONS * Life Safety Levels * Air Quality Levels DGS-CO 968-034 Digital CO Sensor Module MEASUREMENT PERFORMANCE CHARACTERISTICS Based on Standard Conditions 25'C, 50% RH and 1 atm * Measurement Range: 0 to 1000 ppm * Resolution: 0.1 ppm * Zero Accuracy:± 1 ppm * Measurement Accuracy: 15% of reading * Measurement Repeatability:

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SO2-B4 Sulfur Dioxide Sensor 4-Electrode PERFORMANCE Sensitivity nA/ppm at 2ppm SO2 275 to 475 Response time t90 (s) from zero to 2ppm SO2 < 30 Zero current nA in zero air at 20â?? -80 to +80 Noise* ±2 standard deviations (ppb equivalent) 5 Range ppm limit of performance warranty 100 Linearity ppb error at 100ppm SO2 , linear at zero and 10ppm SO2 0 to -2 Overgas limit maximum ppm for stable response to gas pulse 200 * Tested with Alphasense ISB low noise circuit LIFETIME Zero drift ppb equivalent change/year in lab air < ±20 Sensitivity drift % change/year in lab air, monthly test < ±15 Operating life months until 50% original signal (24 month warranted) > 36 ENVIRONMENTAL Sensitivity @ -20â?? (% output @ -20â??/output @ 20â??) @ 2ppm SO2 70 to 82 Sensitivity @ 50â?? (% output @ 50â??/output @ 20â??) @ 2ppm SO2 95 to 110 Zero @ -20â?? nA change from 20â?? 0 to -10 Zero @ 50â?? nA change from 20â?? 10 to 30 CROSS SENSITIVITY Filter capacity ppm·hrs 450 H2S sensitivity % measured gas @ 5ppm H2S < 2 NO2 sensitivity % measured gas @ 5ppm NO2 < -160 Cl2 sensitivity % measured gas @ 5ppm Cl2 < -40 NO sensitivity % measured gas @ 5ppm NO < -2 CO sensitivity % measured gas @ 5ppm CO < 2 H2 sensitivity % measured gas @ 100ppm H2 < 0.5 C2H4 sensitivity % measured gas @ 100ppm C2H4 < 1 NH3 sensitivity % measured gas @ 20ppm NH3 < 0.1 CO2 sensitivity % measured gas @ 5% CO2 < 0.1 KEY SPECIFICATIONS Temperature range â?? -30 to 50 Pressure range kPa 80 to 120 Humidity range % rh continuous (see note below) 15 to 90 Storage period months @ 3 to 20°C (stored in sealed pot) 6 Load Resistor ohm (ISB circuit is recommended) 33 to 100 Weight g < 13

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Ulpsm-h2s 968-003 ultra-low power analog h2s sensor module description Quickly integrate hydrogen sulfide sensing into your system with very low power consumption and a simple analog sensor signal output. The ulpsm converts the hydrogen sulfide sensors linear current signal output to a linear voltage signal, while maintaining the sensor at its ideal biased operation settings. Ulpsm-h2s 968-003 ultra-low power analog h2s sensor module benefits 0 to 3 v analog signal output Low power consumption < 45 uw Fast response On-board temperature sensor Easy sensor replacement Standard 8-pin connector Ulpsm-h2s 968-003 ultra-low power analog h2s sensor module applications Fixed industrial safety monitoring Portable industrial safety monitoring Portable personal safety monitor Indoor air quality monitoring Outdoor air quality monitoring Bad breath/halitosis sensing Ulpsm-h2s 968-003 ultra-low power analog h2s sensor module performance characteristics Measurement range: 0 to 50 ppm Lower detection limit: 0.3 ppm Resolution: 0.15 ppm Accuracy: < â± 2 % of reading Response time t90: < 30 seconds Power-on stabilization time: 60 minutes recommended