The VOC gas should all be aware that volatile organic matter in the gas will be environmentally friendly in the sense that the more active type of volatile organic material is mostly gaseous and dangerous in nature.
So the VOC detector is usually used as a detection device in a more dangerous location. Not only does it require a very high accuracy of the VOC detector, but it also requires certain standards to be met in order to ensure the safety of the operator using the instrument, so how do you choose to buy the VOC test instrument? VOC monitor What should I pay attention to?
Caution: Attention should be paid to the type and concentration range of gases detected at the place of operation.
Each type of gas is detected differently and the location of the operation is different, and the concentration of the gas is to be taken into account in the selection of the VOC detector, the selection of the instrument operation that corresponds to the gas concentration range, and all the events that can be encountered during the measurement process.
Second point: Need to determine the operational scene and the location of use
There are two types of VOC detector: a fixed detector and a portable gas detector.
Depending on the environment, different types of gas detectors are selected, and if they are more open, for example, some of the larger workshops are open to the use of gas detectors like this for safety alerts, it is more appropriate to use a portable proliferating VOC detector because it shows more accurately the concentration of toxic and hazardous gases at the workshop site and is of a continuous and real-time nature.
In the case of relatively closed spaces, such as reaction tanks, storage tanks or other underground pipes of sewers, underground facilities, closed barns, tankers, shipping warehouses, tunnels or other containers, tests must be carried out before staff members enter, otherwise dangerous, and must be conducted outside closed spaces. At that point, it was necessary to select some VOC detectors with internal sampling pumps for testing.
It should be added that, after entering the more confined space, the use of VOC detectors in space is continuously tested to avoid changes in the concentration of volatile organic matter or other toxic and harmful gases caused by movement of persons, temperature changes or sudden leaks.
However, in situations such as emergencies or leaks and routine patrols, pump-suction VOC detectors, which are highly sensitive and resolution-oriented, should be used, making it easier to determine the location of toxic and harmful gas leaks because of short response times.