Formaldehyde(CH2O)
Gas Sensor
Model #SS21F8
Applications
• Ideal for portable instrument
• Indoor air monitoring applications
• Etc.
Specifications
Performance Characteristics
Output Signal 200±50 nA / ppm
Typical Baseline Range (pure air) ≤±2 ppm
T90 Response Time <60 seconds
Measurement Range 0-1,000 ppm
Maximum Overload 2,000 ppm
Linearity Linear
Repeatability ≤±3%
Recommended Load Resistor 10 ohms
Resolution (Electronics Dependent) ≤1 ppm typical
Environmental
Temperature Range Continuous -20℃ to +50℃
Pressure Range 800 to 1200 mbar
Operating Humidity Range 15% to 90% Rh
Life Time
Long Term Output Drift ≤5% per annum
Recommended Storage Temp 0℃ to 20℃
Expected Operating Life ≥24 months in air
Standard Warranty 24 months from data od dispatch
Intrinsic Safety Data
Maximum at 2,000ppm 0.3mA
Maximum o/c Voltage <1.3V
Maximum s/c Current <1.0A