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Sulfur Dioxide (SO2) Gas Sensor - 5SF

Sulfur Dioxide Gas Sensor

Model Number: 5SF
Data Sheet:

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Product Specification

5SF Sulfur Dioxide Gas Sensor Technical Specifications：

MEASUREMENT
Operating Principle	3-electrode electrochemical
Measurement Range	0-2000 ppm SO₂
Maximum Overload	5000 ppm SO₂
Filter	None
Sensitivity*	0.10 ± 0.02 µA/ppm
Response Time (T₉₀)*	< 30 seconds
Baseline Offset (clean air)*	0 - 2 ppm equivalent
Maximum Zero Shift (+20°C to +40°C)	5 ppm equivalent
Resolution When using recommended electronics	1 ppm
Repeatability	1% of signal
Linearity	Linear
ELECTRICAL
Recommended Load Resistor	10 Ω
Bias Voltage	Not Required
MECHANICAL
Weight	10 g nominal
Orientation	Any
ENVIRONMENTAL
Operating Temperature Range	-20°C to +50°C ^{See note 1}
Recommended Storage Temp	0°C to 20°C
Operating Pressure Range	Atmospheric ± 10%
Pressure Coefficient	0.004% signal / mbar
Operating Humidity Range	15 - 90% RH non-condensing
LIFETIME
Long Term Sensitivity Drift	< 2% signal loss/month
Expected Operating Life	Two years in air
Storage Life	6 months in CTL container

* Specifications are valid at 20°C, 50% RH and 1013 mBar, using City Technology recommended circuitry. Performance characteristics outline the performance of sensors supplied within the first 3 months. Output signal can drift below the lower limit over time.

5SF Sulfur Dioxide Gas Sensor Product Dimensions：(without bayonet fitting)