ASH3-3E-1

Operating Principle: 3-electrode electrochemical
Measurement Range: 0-1 ppm AsH3
Maximum Overload: 20 ppm
Lower Detection Limit: < 30 ppb when using recommended electronics
Filter: To remove H2S
Filter Capacity: 200 ppm hr
Sensitivity: 1400 ± 450 nA/ppm
Response Time (T90): <30 Seconds
Baseline Offset (clean air): < ±20 nA
Zero Shift (-40°C to +50°C): < ±40 ppb
Repeatability: <2 % of signal
Linearity: <10% of full scale

Recommended Load Resistor: 1.5 kΩ
Bias Voltage: 0 V
Resolution: Dependent on Electronics
< 15 ppb when using recommended circuitry

Housing Material: PPO Noryl
Weight: 4.5 g
Orientation: Any

Typical Applications: Portable & fixed life safety
Operating Temperature Range:
Continuous: -20°C to +40°C
Intermittent: -40°C to +50°C
Operating Pressure Range: Atmospheric ± 10%
Operating Humidity Range: 10% to 95% RH non-condensing

Maximum at 2000ppm: <0.2 mA at 100 ppm
Maximum o/c Voltage: <500 mV
Maximum s/c Current: <1.0 A

Long Term Output Drift: <5% per 6 months
Expected Operating Life: 2 years in normal use
Storage Life: 3 months in sealed container
Standard Warranty: 10 months from date of despatch