MEASUREMENT
Operating Principle: 2-electrode electrochemical
Measurement Range: 0-500 ppm CO
Maximum Overload: 1000 ppm CO
Sensitivity: 45 ± 15 nA/ppm
Sensitivity Banding: A : 30.0 - 35.9 nA/ppm
B : 36.0 - 42.9 nA/ppm
C : 43.0 - 50.9 nA/ppm
D : 51.0 - 60.0 nA/ppm
Response Time (T90): <30 seconds
Baseline Offset (clean air): -2 to 4 ppm equivalent
Zero Shift* (-10°C to +50°C): < +10 ppm equivalent
Repeatability: < ±5%
Linearity: Within ±5%
ELECTRICAL
Recommended Load Resistor: 5 Ω
Bias Voltage: Not required
MECHANICAL
Housing Material: Noryl N110
Weight: 5 g (nominal)
Orientation: Any
ENVIRONMENTAL
Operating Temperature Range*:
Continuous -10°C to +50°C
Intermittent -20°C to +50°C
Operating Pressure Range
Operating Humidity Range*:
Continuous 15% to 90% RH non-condensing
Intermittent 0% to 99% RH non-condensing
INTRINSIC SAFETY DATA*
Maximum at 1000ppm: 0.1 mA
Maximum o/c Voltage: 1.3 V
Maximum s/c Current: <1.0 A
LIFETIME
Long Term Output Drift: < 5% per annum
Recommended Storage Temp: +10°C to +30°C
Expected Operating Life*: > 6 years in normal use from date of manufacture
Storage Life: 6 months in original packaging
With the exception of items marked * the stated parameters have been verified under the UL component recognition programme.