MEASUREMENT
Operating Principle:3-electrode electrochemical
Detection Range :0 to 2000 ppm
Filter :To remove acid gases See note on Page 2
Filter Capacity :> 20000 ppm hour
Sensitivity :70 ± 15 nA/ppm
Response Time (T90)* (for concentrations up to 500 ppm):≤10 s at 20°C
Recovery Time* (from 100ppm down to <2 ppm) :< 90 s (typically < 30 s)
Baseline Offset (clean air)* :< ±2 ppm CO equivalent
Baseline Shift:
-40°C to -20°C :< ±3 ppm CO equivalent
-20°C to +20°C:< ±2 ppm CO equivalent
+20°C to +55°C :Typically < +4 ppm (+9 ppm max.)
Repeatability:< ±2% CO equivalent
Linearity:Linear up to 2000 ppm
ELECTRICAL
Resolution (Electronics dependent):<1 ppm typical
Recommended Load Resistor :5 Ω
Bias Voltage:Not required
MECHANICAL
Housing Material Pin :Noryl 110
Material :Gold over nickel plated brass
Weight :5 g (nominal)
Orientation Sensitivity:None
ENVIRONMENTAL
Intended Use:Portable detectors for most Life Safety applicationsOperating Temperature
Range:-40°C to +55°C See Characterisation Note
Temperature Coefficient:
at -40°C :45 to 65% of signal w.r.t. +20°C
at -20°C :73 to 82% of signal w.r.t. +20°C
at +55°C :105 to 111% of signal w.r.t. +20°C
Operating Pressure Range:800 to 1200 mbar
Operating Humidity Range:15% RH to 95% RH non-condensing
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