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Hydrogen Sulfide (H2S) Gas Sensor - MICROceL HS

? Operating Principle: 3-electrode electrochemical
? Measurement Range: 0-100 ppm H2S
? Sensitivity: 0.105 ± 0.025 μA/ppm
? T50 Response Time: <10 Seconds at 20°C
? Linearity: Linear up to 1000 ppm H2S
? Operating Temperature Range: -40°C to +50°C

Model Number: MICROceL HS
Data Sheet:

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Product Specification

MICROceL HS Hydrogen Sulfide Sensor (H2S Sensor) Description
MICRO 3-electrode hydrogen sulphide sensor

MICROceL HS Hydrogen Sulfide Sensor (H2S Sensor) Key Features & Benefits
? A robust hydrogen sulfide sensor suitable for portable life safety applications
? Extremely small size

MICROceL HS Hydrogen Sulfide Sensor (H2S Sensor) Technical Specifications

MEASUREMENT
Operating Principle	3-electrode electrochemical
Measurement Range	0-100 ppm H2S
Maximum Overload	1000 ppm H2S
Filter	To remove TLV levels of interfering gases
Sensitivity*	0.105 ± 0.025 μA/ppm
T50 Response Time*	<10 Seconds at 20°C
Typical T90 Response Time	25 to 40 seconds
Baseline Offset (clean air)*	-2 to +1 ppm H2S equivalent
Maximum Zero Shift* (+20°C to +40°C)	<0.2 ppm H2S equivalent
Linearity	Linear up to 1000 ppm H2S

ELECTRICAL
Recommended Load Resistor	10 ?
Bias Voltage	Not Required

MECHANICAL
Weight	1.2 g
Housing Material	ABS
Orientation	Any

ENVIRONMENTAL
Operating Temperature Range	-40°C to +50°C
Recommended Storage Temp	0°C to 20°C
Operating Pressure Range	Atmospheric ± 10%
Operating Humidity Range	15 - 90% RH non-condensing

LIFETIME
Expected Operating Life	Two years in air
Long Term Output Drift	<5% signal loss per year
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.

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