Protégé Portable Gas Monitor
Instruction Manual
14 of 61
P/N 087-0038 Rev. J 02/10
2.1. Sensor Specifications
Hydrogen Sulfide Sensor Specifications
Range: 0 to 500 ppm
Response Time: T90 < 30 sec
Operating Temp: -4.0° F to +122° F / -20° C to +50° C
Humidity: 15% to 90% RH, Non-Condensing
Storage Temp: +32° F to +68°F / 0° to 20° C
Sensor Cross Sensitivity:
Carbon Monoxide at 300 ppm: < 2 ppm
Sulfur Dioxide, 5 ppm: approx. –1 ppm
Nitric Oxide, 35 ppm: < 1 ppm
Hydrogen, 10,000 ppm: < 10 ppm
Nitrogen Dioxide, 5 ppm: approx. 1 ppm
Carbon Monoxide Sensor Specifications
Range: 0 to 999 ppm
Response Time: T90 < 25 seconds
Operating Temp: -4° to +122° F / -20° to +50° C
Humidity: 15 to 90% RH, Noncondensing
Storage Temp: +32° to +68° F /0° to 20° C
Sensor Cross Sensitivity:
Filtered against H2S, 15 ppm: < 0.5 ppm
Filtered against SO2, 5 ppm: approx. 0 ppm
Nitric Oxide, 35 ppm: < 3 ppm
Nitrogen Dioxide, 5 ppm: approx. –1 ppm
Chlorine, 1 ppm: approx. 0 ppm
Hydrogen, 100 ppm: < 40 ppm
Ethylene, 100 ppm: < 50 ppm
Ethanol, 200 ppm: approx. 0 ppm
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