Gas Detection and Alarm Systems

Carbon Monoxide indicator and Alarm KS-7D


  • Offices of iron plants.
  • Research facilities of universities.
  • Underground parking lot for prevent 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

Connectable Alarm Units

UV-810(Multi-point)V3 typeMNV-100M(One-point)

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