3M™ PROTÉGÉ PLUS
PORTABLE MULTI-GAS MONITOR
SPECIFICATIONS
8006569, Rev. C/June 2019 A-3
H
2
S - Hydrogen Sulfide Sensor (standard)
Sensor Type E-Chem
Range
0 to 500 ppm H
2
S
Operating Temperature -4°F to 122°F (-20°C to +50°C)
Operating Humidity 15% to 90% RH, non-condensing
H
2
S hi res - Hydrogen Sulfide Sensor (high resolution)
Sensor Type E-Chem
Range
0 to 100 ppm H
2
S
Operating Temperature -4°F to 122°F (-20°C to +50°C)
Operating Humidity 15% to 90% RH, non-condensing
CO - Carbon Monoxide Sensor (standard)
Sensor Type E-Chem
Range 0 to 1000 ppm CO
Operating Temperature -4°F to 122°F (-20°C to +50°C)
Operating Humidity 15% to 90% RH, non-condensing
CO, Carbon Monoxide (hydrogen resistant)
Sensor Type E-Chem
Range 0 to 2000 ppm CO
Operating Temperature -4°F to 122°F (-20°C to +50°C)
Operating Humidity 15% to 90% RH, non-condensing
HCN, Hydrogen Cyanide Sensor*
Sensor Type E-Chem
Range 0 to 100 ppm HCN
Operating Temperature -4°F to 122°F (-20°C to +50°C)**
Operating Humidity 15% to 90% RH, non-condensing
*Note: Due to a high-cross-sensitivity, this sensor is unsuitable for use in areas where hydrogen
sulfide (H
2
S) may be present. This sensor should not be configured in a unit that uses either the
H
2
S (standard) or dual-gas (CO-H
2
S) sensor.
**Note: Degraded accuracy < 0°C
Table A-2: Sensor Specifications
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