The Ermenrich NG20 Gas Detector is a portable gas detector with instant response and an intuitive operation to detect gas leaks. It should always be at hand if the house has gas appliances such as a stove water heater fireplace boiler etc. It will prevent fires from breaking out by pointing out the source of danger in time. It is recommended to check home gas appliances including pipes at least once a week.

Instead of a screen the device has a small panel with alarm indicators – a yellow LED lights up at 500ppm (low leakage) and a red LED lights up at 2000ppm (high leakage). There is also an acoustic alert. If the green LED is on the gas concentrations are normal. If the green LED is flashing the batteries should be replaced immediately.

The device is lightweight sits comfortably in your hand and is powered by two standard batteries. There is an auto-off function to save battery power. One set of batteries lasts for an average of 200 measurements.

Key features:

  • Lightweight and small – easy to hold with one hand
  • Detects weak (500ppm) and strong (2000ppm) flammable gas leaks
  • Danger alert with sound and light indication
  • Powered by two standard batteries with auto-off function
Measuring range 500/2000ppm
Response time instant
Alarm light sound
Alarm setpoint low: 500ppm
high: 2000ppm
Power supply 2 AA batteries (not included)
Battery life h around 200 measurements (2 min. each)
Auto-off function 5 min.
Brand Ermenrich
Warranty years lifetime
EAN 4620137486216
Package size (LxWxH) cm 26.5x8.5x6
Shipping Weight kg 0.125

Returns Policy

We have a 14-day return policy. If you are not satisfied with your purchase, please return it in its original packaging and be sure to put the original product packaging inside the shipping box to avoid any damage..

All items must be in their original condition and unused. The value of your purchase will be refunded. .

Shipping charges will not be refunded.

If the return is due to a defective product, you may be compensated for the return shipping.

Please contact us for more details if you need to make a return..


- From 0 to 2 kg - shipping cost: 12,50 euros.

- From 2.001 kg to 30 kg - shipping cost: 17,00 euros.

- From 30,001 kg - shipping cost: 30,00 euros.

In case of collection at our warehouse or resale points - the shipping is free.

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