impact instruments
Tel : + 27 11 704 7001 / 5 / 8
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Hydrogen in battery rooms

H2 in battery back up bays

Lead acid batteries give off Hydrogen whilst being charged, safety precautions are needed to detect leakage and prevent explosions. 

Multiple configurations and installation options are available. 

Sensors are safe for use in Zone 1 and 2 hazardous areas and cabling can be chased to areas outside of the hazardous zone, with a flashing beacon, alarm, display or 4-20mAmp output. 

  • 4-20mA Output
  • Alarm Relay Output Option
  • Digital Addressable I/O Option
  • Exd Certified
  • ATEX Certified
  • Digital Display, Concentration, Alarms and
  • Fault Status
  • Easy Calibration One Man Calibration
  • Ingress Protection IP66
  • IECEX Certified  
  • II 2 D G
    IECEx EXV16.0002X
  • ExVeritas 16ATEX0140X
  • Ex tb IIIC Db. M20 Entries
  • Ex db IIC T6 Gb
  • Weight (Std Al Housing) 1.5Kg


  • 18 to 32V DC With Relay Option Typically 4 W
  • 12 to 32V DC Without Relay Option (Catalytic Only)
  • Electrical Outputs 3 Wire 4-20mA (4 Wire Addressable Capability)
  • Temperature -10°c to +55°c
  • Humidity 15 to 90% RH non-condensing
  • Ingress Protection IP66
  • JB Housing Material Junction Box, Copper Free Aluminium Alloy Epoxy Coated
  • Option for 316 Stainless Stee l and Marine Paint Finishes
  • Sensor Housing Material Sensor ,Stainless Steel 316 S16
  • Explosion Protection Junction Box, EExd IIC T6 I I 2 D G
  • Explosion Protection Sensor EEx d IIC T6 II 2 D G
  • Housing Dimensions (mm) 110 Diameter x 127 High Plus detector option
  • Cable Entry 2 x M20, NPT Options
  • 1 x M20 Detector Entry
  • Power supply

We supply, install and commision.