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Gas Measured
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Hydrogen Cyanide (HCN)
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Cartridge Part Number
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MIDAS-S-HCN 1 year standard warranty
MIDAS-E-HCN 2 year extended warranty
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Sensor Technology
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3 electrode electrochemical cell
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Measuring Range (ppm)
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HCN 0 – 20ppm
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Minimum Alarm 1 Set Point
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2.4ppm
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Repeatability
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< ± 2% of measured value
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Linearity
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< ± 4% of measured value
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Response Time t
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< 15 seconds
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Sensor Cartridge Life Expectancy
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≥ 24 months under typical application conditions
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Operating Temperature
Effect of Temperature
Zero
Sensitivity
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0°C to +40°C (32°F to 104°F)
< ± 0.008ppm / °C (0°C to 20°C)
< ± 0.03ppm / °C (20°C to 40°C)
< ± 2.5% of measured value / °C
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Operating Humidity (continuous) Effect of Humidity
Zero
Sensitivity
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15 – 90% rH
TBA
< ± 1% of measured value / % rH
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Operating Pressure
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90 – 110kPa
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Effect of Position
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No effect in typical application
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Long Term Drift
Zero
Sensitivity
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No effect
< ± 2% of measured value / month
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Calibration Gas
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Hydrogen Cyanide (HCN)
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Challenge Gas (Bump Test)
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Sulphur Dioxide (SO)
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Warm Up Time
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< 10 minutes
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Storage Temperature
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﹢5°C to +25°C (+41°F to +77°F)
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