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Single Channel


Riken has specially designed OX-600 wall mounted Single channel Oxygen sensor. It’s a versatile model that can be ordered fitted with inbuilt Oxygen sensor or with extension cable with predefined length of 3m/5m/10m/20m, Unit has 3 color LED display with inbuilt Audio Alarm.

  • Features
  • Applications
  • Specification
  • Stand alone with audible and visual Alarms (Analog output is also available)
  • Intuitive three color alarming Display
  • Long life and reliable Oxygen sensor
  • Three kinds of power supply are available, 100-120VAC, 24VDC, and Dry cells (two AA batteries)
  • Remote sensor with cable length 3m, 5m, 10m, 20m are available (optional)
  • Pressure compensation to eliminate false Alarm caused by pressure variation
  • Laboratories
  • Cryogenic
  • Clean room
  • Gas storage room
  • Any facilities using inert gases such as nitrogen, argon, helium, etc.
Model Name OX-600
Detection Principle Galvanic Cell
Gas Detected Oxygen
Sampling Method Diffusion or remote sampling method
Measuring Range 0-25.0vol% ( 0.1vol% digit)
Preset Alarm Levels 1st :19.0vol% 2nd:18.0vol% (Standard)
Alarm Types Two preset alarms (L-LL)
Trouble Alarm Method Non-latching or Latching
Display LCD digital display (3 digits, 3 color, Green, Orange, Red backlight)※1
Indication on the display Measuring gas, Gas concentration, Measuring unit, Battery level (alkaline battery type only)
Functions Self-diagnosis(sensor fail, watch fail, system fail), Pressure compensation
Power Supply 100-120VAC 50/60Hz DC24V±10% AA alkaline battery x 2pcs
Power Consumption MAX5VA MAX3W
Alarm Contact Non-voltage contact 1a or 1b・normally-open (closed in ALARM) ―※2
Transmittance Specification DC 4-20mA(Non-isolated, Resistive load under 300Ω)
or DC 0-1V (Non-isolated)
DC 0-1V (Non-isolated)
Remote Cable 3m/5m/10m/20m
Operating 0-40°C (no sudden change), Below 90%RH以下(no-condensing)
Dimension Body : approx. 80(W)×120(H)×35.5(D)mm
Remote sensor : approx. 40(W)×96(H)×35.5(D)mm)
Weight Approx. 200g Approx. 180g Approx. 230g
Weight of Remote Sensor Approx. 55g(without cable)

※1 No backlit for battery type at normal times
※2 No contact for battery type

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