Carbon Monoxide (CO) Monitor & Alarm KS-7D


Gas Detected
Carbon monoxide
Detected Principle
Electrochemical cell
Detection Range
0-75ppm, 0-150ppm, 0-250ppm, or 0-400ppm
W82 x H150 x D35 mm (excluding protrusions)

Compact and light-weight one-piece type gas indicator & alarm for CO.

Available on backorder

  • Offices of industrial plants.
  • Research facilities & universities.
  • Underground parking lots for prevention of carbon monoxide poisoning.
  • Clear flowing lamp for gas alarm.
  • Automatic backup to operate under electric power failure for more than 2 weeks (350 hrs).
  • Small and lightweight for easy installation.
Model KS-7D
Gas Detected Carbon Monoxide
Detection Range 0 to 75 ppm, 0 to 150 ppm, 0 to 250 ppm, or 0 to 400 ppm
Concentration Indication LCD 4-digit digital, 1ppm resolution (with backlight)
Alam Set Value For F.S. 75ppm: 25/50ppm
For F.S. 150ppm: 50/100ppm
For F.S. 250ppm: 50/150ppm
For F.S. 400ppm: 50/150ppm
Alarm Indication 1st stage: Orange LED blinks, flowing Orange status lamp
2nd stage: Red LED blinks, flowing Red status lamp
Buzzer: more than 70dB/m
External Output Gas concentration analog output: 4-20mA DC
Gas alarm contact for 1st and 2nd stage: 1a non-voltage
Latching (standard) or non-latching
Other Functions Maintenance mode, alarm stop
Operating Temperature/humidity -5 to +40 °C / 30 to 85 %RH
Power Source 24 VDC ±10%
Power Consumption Monitoring: 1W, During alarm: 3W
Dimensions W82 x H150 x D35 mm (excluding protrusions)
Weight Approx. 300g
Options Separate Sensor Unit KS-7OF, Battery Unit KS-7xB

Carbon Monoxide (CO)

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