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Gas & Flame Detection, Environment Monitoring

Fixed Gas Detectors >> Gas Detector Transmitters

KS-70 Low Cost Stand-alone Oxygen Indicator

The KS-70 is a low cost, wall-mounted detector typically installed in working environments to check against oxygen deficiency. It suitable for clean rooms, laboratories, confined spaces etc. that may face lack of oxygen due to poor ventilation, equipment malfunction etc.

It has a large LCD display for quick readout of the oxygen level.

Audible and visual alarms alert occupants of low oxygen levels. Analogue and digital outputs are also available for connection to external devices (exhaust fans etc) and/or supervisory systems.


  • Gas Detected: Oxygen
  • Detection Range: 0-25% Vol (deficiency)¬†or 0-50% Vol (leak)
  • Default Alarm Set Value: 1st stage: 19% Vol, 2nd Stage: 18%
  • External Output:
    • Gas concentration analog output: 4-20mA DC
    • Gas alarm contact (for 1st/2nd stage): 1a
  • Power Supply: 24V DC
  • Other functions:
    • Peak hold
    • Maintenance mode
    • Up to 350 hours back-up battery life
  • Options:
    • Separate sensor housing unit for remote installation