3STF

MEASUREMENT
Operating Principle: 3-electrode electrochemical
Measurement Range: 0-100 ppm CO
Maximum Overload: 500 ppm CO
Filter: To remove H2S
Sensitivity: 0.37 ± 0.07 μA/ppm
Resolution: 0.5 ppm (electronics dependant)
Response Time (T90): <50 Seconds
Baseline Offset (clean air): -0.25 to +0.5 ppm equivalent
Zero Shift (+20°C to +40°C): 1 ppm equivalent
Repeatability: 1% of signal
Output Linearity: Linear

ELECTRICAL
Recommended Load Resistor: 10 Ω
Bias Voltage: Not Required

MECHANICAL
Weight: 22 g
Orientation: Any

ENVIRONMENTAL
Operating Temperature Range: -20°C to +50°C
Recommended Storage Temp: 0°C to 20°C
Operating Pressure Range: Atmospheric ± 10%
Pressure Coefficient: 0.015% signal / mbar
Operating Humidity Range: 15 - 90% RH non-condensing

LIFETIME
Long Term Sensitivity Drift: <2% signal loss/year
Expected Operating Life: Two years in air
Storage Life: 6 months in CTL container