Cartridge Part Number

MIDAS-S-HCN 1 year standard warranty
MIDAS-E-HCN 2 year extended warranty

Sensor Technology

3 electrode electrochemical cell

Measuring Range (ppm)

HCN 0 – 20ppm

Minimum Alarm 1 Set Point

2.4ppm

Repeatability

< ± 2% of measured value

Linearity

< ± 4% of measured value

Response Time t

< 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)
< ± 0.008ppm / °C (0°C to 20°C)
< ± 0.03ppm / °C (20°C to 40°C)
< ± 2.5% of measured value / °C

Operating Humidity (continuous) Effect of Humidity
 Zero
 Sensitivity

15 – 90% rH
TBA
< ± 1% of measured value / % rH

Operating Pressure

90 – 110kPa

Effect of Position

No effect in typical application

Long Term Drift
 Zero
 Sensitivity

No effect
< ± 2% of measured value / month

Calibration Gas

Hydrogen Cyanide (HCN)

Challenge Gas (Bump Test)

Sulphur Dioxide (SO)

Warm Up Time

< 10 minutes

Storage Temperature

﹢5°C to +25°C (+41°F to +77°F)