Arsine (AsH3), Germane (GeH4)
MIDAS-E-ASH, MIDAS-S-ASH
Gas Measured Arsine (AsH3)
Cartridge Part Number MIDAS-S-ASH
MIDAS-E-ASH
Sensor Technology 3 electrode electrochemical cell
Measuring Range AsH3 0 - 200ppb
Minimum Alarm 1 Set Point 5ppb
Lower Detection Limit 5ppb
Linearity <± 10% of measured value
Repeatability <± 10% of measured value
Resolution 1ppb
Response Time t62.5 ≤ 15 seconds
Sensor Cartridge Life
Expectancy
≥ 24 months under typical application conditions
Operating Temperature
Effect of Temperature
Zero
Sensitivity
0°C to +40°C (32°F to 104°F)
<± 4ppb / °C
<± 0.9% of measured value / °C
Operating Humidity
Effect of Humidity
Zero
Sensitivity
10 to 90% RH
<± 1ppb / % RH
<± 0.4% of measured value / % RH
Operating Pressure 90 – 110kPa
Effect of Position No effect in typical application
Long Term Drift
Zero
Sensitivity
< 5ppb / year
< 5% of measured value / 6 months
Calibration Gas Arsine (AsH3)
Bump Test Gas Phosphine (PH3)
Warm Up Time < 20 minutes
Storage Temperature +5°C to +25°C (+41°F to +77°F)
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