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SB-4AsH3-1-F (AsH₃)

Electrochemical Arsine(AsH₃) Sensor (0~1 ppm)

The SB-4AsH3-1-F is an electrochemical sensor capable of accurately detecting arsine (AsH₃) gas within the range of 0 to 1 ppm.
It is suitable for both portable and fixed gas detection devices, offering high stability and fast response.
With low sensitivity to relative humidity variations, the sensor ensures reliable performance in diverse environments, and provides an expected operating life of more than 24 months in air.

KEY FEATURES
    • Measurement Range: 0~1 ppm
    • Sensitivity: 1100 ± 350 nA/ppm
    • Response Time: T90 < 60 sec
    • Resolution: < 0.02 ppm
    • Linear Output with Excellent Repeatability: < ±2%
    • Lifetime: > 24 months in air
    • Operating Temperature: -20℃ ~ +50℃
    • Low Response to Humidity Changes
Product Inquiry

SB-4AsH₃-1-F

Electrochemical Arsine (AsH₃) Sensor (0~1 ppm)

PRODUCT DESCRIPTION

The SB-4AsH₃-1-F is an electrochemical sensor capable of accurately detecting arsine (AsH₃) gas within the range of 0 to 1 ppm. It is suitable for both portable and fixed gas detection devices, offering high stability and fast response. With low sensitivity to relative humidity variations, the sensor ensures reliable performance in diverse environments, and provides an expected operating life of more than 24 months in air.


KEY FEATURES

- Measurement range: 0~1 ppm
- Sensitivity: 1,100 ± 350 nA/ppm
- Response time: T90 < 60 sec
- Resolution: < 0.02 ppm
- Linear output with excellent repeatability (< ±2%)
- Lifetime: > 24 months in air
- Operating temperature: -20℃ ~ +50℃
- Low response to humidity changes


Product Specifications
Performance Characteristics
Output Signal1100 ± 350 nA / ppm
Typical Baseline Range (pure air, @ 20℃)≤ ±0.03 ppm AsH₃ equivalent
Baseline Shift (-20℃ ~ 50℃)≤ ±0.1 ppm Typical
Response Time (T90)< 60 seconds
Measurement Range0–1 ppm
Maximum Overload5 ppm
LinearityLinear
Repeatability< ±2% of signal
Recommended Load Resistor10 ohms
Resolution (Electronics Dependent)< 0.02 ppm typical
Bias VoltageNot required
Environmental
Temperature Range Continuous-20℃ to +50℃
Pressure Range800 to 1200 mbar
Operating Humidity Range15% to 90% RH
Lifetime
Long Term Output Drift< 5% per annum
Recommended Storage Temp0℃ to 20℃
Expected Operating Life> 24 months in air
Standard Warranty12 months from date of dispatch
Intrinsic Safety Data
Maximum at 10 ppm15 µA
Maximum o/c Voltage< 1.0 V
Maximum s/c Current< 0.1 A
Sensor Specifications
Accessories
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