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Formaldehyde (CH2O) Gas Sensor - SS21F8

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• 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%

Model Number: SS21F8
Data Sheet:

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Product Specification

SS21F8 Formaldehyde (CH2O) Gas Sensor Applications
• Ideal for portable instrument
• Indoor air monitoring applications

SS21F8 Formaldehyde (CH2O) Gas Sensor 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°C to +50°C
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°C to 20°C
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