Description
Dräger Calibration Gas Aerosol 50% LEL CH₄, 100 ppm CO, 17% O₂ PN: 4594635 Hydrochloric Acid 1 25 ppm It has a current input It has a current input range of 10 mA to 10 mA and a voltage range of 10 V DC to + 10 V DC 4 Character Alpha Numeric Display