Due to the many choices which can be made it often seems difficult to select the right gas detector. First, you should determine if a fixed gas detection system or a portable gas detector is required.
How to select a fixed gas detection system?
If a fixed gas detection system is required you first should ask yourself if one type of gas or several types of gases should be detected. The most straightforward option is one control unit with one detector head which can detect one gas. If several gases should be detected a control unit suitable for several detector heads should be chosen. The selection of what type of detector head or what types of detector heads depends on what type of gas or what types of gases should be detected.
How to select a portable gas detector?
If a portable gas detector is required you first should ask yourself if one type of gas or several types of gases should be detected. A portable gas detector which can detect one gas is called a single gas detector. A portable gas detector which can detect several gases is called a multi-gas detector. After you have selected if it should be a single gas detector or a multi-gas detector you should determine if a personal type or a portable type gas detector is required.
How to select a portable single gas detector?
A single gas detector is a portable gas detector which can detect one gas. This could be a small personal type gas detector which is a gas detector which a person carries with him for personal protection. Personal type single gas detectors are available in a serviceable version or in a disposable version. A serviceable version is a normal version which has to be annually serviced like all other gas detectors. The disposable version is a version with a lifetime of 2 or 3 years. After 2 or 3 years the battery is empty, and then the disposable single gas detector should be renewed. It could also be a larger portable type gas detector which is a gas detector with an internal pump used for remote sampling. What specific type of single gas detector should be selected depends on if it should be a personal or portable type and it depends on the type of gas that should be detected.
How to select a portable multi-gas detector?
A multi-gas detector is a portable gas detector which can detect several gases. This could be a small personal type gas detector which is a gas detector which a person carries with him for personal protection. Personal type multi-gas detectors are available with sensor configurations for 2, 3 or 4 gases. It could also be a larger portable type gas detector which is a gas detector with an internal pump used for remote sampling. Portable type multi-gas detectors are available with sensor configurations for 2, 3, 4, 5, or 6 gases. What specific type of multi-gas detector should be selected depends on if it should be a personal or portable type and it depends on the types of gases that should be detected.
Normal quality and high-end quality gas detectors
A final decision that should be made is if the gas detector should be a normal quality gas detector or a high-end quality gas detector. This is a decision which mainly depends on the price that you are prepared to pay for the gas detector. A high-end quality gas detector will have a higher purchase price compared to a normal quality gas detector. Other considerations could be the expected lifetime of the gas detector and the expected annual service costs of the gas detector. If a gas detector is a standard quality gas detector or a high-end quality gas detector mainly depends on what is the brand of the gas detector.
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