Gas detector comparison 2018

Purchase advice for the gas detector comparison or test 2018

  • If you have a gas stove, a gas heater or a stove in your household where wood is burned, gases can flow unnoticed into the home in case of defects. Gas detectors can detect different types of gas and save your life.
  • The danger with many gases is that they are odorless and you do not notice it at night, for example, when you sleep - then it's usually already too late. Although there is no gas detector duty, you should install a gas detector in each room.
  • Always pay attention to the level of the batteries. Since a gas detector always heats a wire to measure the gas concentration of the air, the units need a constant supply of energy.

Gas detector comparison 2018: 2018


When something is set on fire in a home, smoking and flames usually make themselves felt very clearly after a short time. Without question very dangerous, but often residents can react in time and either extinguish the fire itself or bring to safety. The situation is much more treacherous with escaping gas because it does not smell or needs to be ignited in order to become a deadly hazard, In order to recognize this in time, a gas detector is favorable. In our Gas Detector Comparison 2018, we explain important categories and criteria that can pave the way for your personal gas detector test winner.

1. Where is a gas detector used?

Business with security

Germans are increasingly interested in to protect their lives through electronic security technologyboth outside and within their own four walls. Between 2010 and 2015 alone, industrial sector sales increased by more than € 1.2 billion from € 2.53 billion to € 3.71 billion (source: BHE).

Not only the gas price can explode, but in extreme cases, your home. If a gas line is damaged or leaking and the gas can flow undetected into the apartment, a small spark is enough to cause a huge explosion. Therefore, a gas detector is especially recommended in rooms where gases are used as an energy source.

Stiftung Warentest does not yet have its own gas detector test, but warns that the gas stove in the kitchen can in some cases have explosive potential. In addition, even where gases are a by-product, a gas detector installation makes sense. This can be, for example, the living room where a stove burns wood. The gas detector can then warn of escaping carbon monoxide.

Before we explain the technical details, you will find the most common advantages and disadvantages of gas detectors:

  • effective protection against gas poisoning
  • Sensors also react to odorless gases
  • reasonably priced thanks to longevity
  • consumes comparatively much power or batteries

2. A good line to danger - This is how the gas detector works

Gas detector comparison 2018: 2018

Gas detectors with power supply do not need batteries.

The gas detector uses the "hot wire" method. This mechanism is based on a wire, which is constantly brought inside the gas detector by power to glow. If gas now spreads throughout the room, it also enters the chamber in which the glowing wire is located.

The gas reacts with the high temperature of the wire and ignites. As a result, the pressure and the electrical voltage in the measuring chamber change, The built-in electronics of the gas detector detects this difference and then triggers the alarm. This is usually at least 85 decibels for gas detectors.

In order to allow this constant examination of the air mixture in the room, constant supply of energy in the form of electricity is necessary. The manufacturers have installed different types of power supply in their models. Most gas detectors draw their power from batteries, which can be either 9 volt block batteries, AA batteries or even permanently installed batteries, which only a dealer can exchange. But there are also brands that operate with power supply. This saves you the regular monitoring of how much juice the batteries still have, Because if this is too low, even the best gas detector can no longer offer any security.

Gases weigh differently: Already knew? The type of gas determines where you have to install the gas detector. The molecules of propane, butane and methane have different weights and float through space at different heights. Propane and butane are e.g. heavier, methane, ethane and carbon monoxide rather easily, If you use several of these types of gas in the home, you should install several gas detectors, optionally top and bottom. Otherwise it can happen that an early detection does not succeed.

3. Which detector types are available for the apartment?

Not only a gas detector can warn against dangerous gases such as methane, propane and carbon monoxide. In our table we show you which detector variants are still available.

detector typedescription

smoke detector

Gas detector comparison 2018: detectors

In some German states there is a smoke detector obligation. Smoke detectors work differently than gas detectors in two different ways. They react to soot particles in the air, which they register by means of infrared sensorsbecause the light between the two diodes is not broken in smoke-free air, but by smoke particles already. The alarm is the result.

In addition, there are also thermal fire detectors, also called heat detectors, which react to rapid temperature changes in the room. These are not suitable for the direct protection of sleeping peoplebecause the smoke may have spread before the temperature has risen noticeably.

CO detectors

Gas detector comparison 2018: 2018

Also called carbon monoxide detector or fire gas detector, this variant is specialized in the detection of carbon monoxide. This gas lowers the oxygen content in the human body, which can have fatal consequences, Since it does not smell, it goes unnoticed if there is no technology for detection.

The CO detector scans the environment by means of electrochemical sensors, the check the gas content of the air and trigger a signalas soon as a certain threshold is exceeded.

Act right: If your gas alarm sounds alarm, you should Do not rush into hectic life, because that also speeds up your breathing, Instead, there are a few simple behaviors that you should follow.

  • 1. Stay calm
  • 2. Do not use electrical appliances (also no light)
  • 3. Open windows and doors for ventilation
  • 4. Warn all persons in the building
  • 5. Call the fire department (outside the affected house)
  • 6. Keep enough distance to the house if something explodes

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Video Board: 6 Best Gas Detectors 2018