Gas analysis is required in a variety of areas where it is important to have an understanding of the composition and characteristics of combustible air mixtures. At home, gas analyzers, or detectors, are more often used to detect leaks. Moreover, the target environment can be not only a domestic gas pipeline. It can be an air conditioning system with freon, and a boiler plant with harmful emissions. The modern gas analyzer is presented in different versions, which differ in the principle of operation, control system, performance characteristics and other parameters.
Features of household gas analyzers
Models for home use are small in size, modest in performance and simplified in operation. If professional devices involve stationary operation, then the household device provides the ability to move. Its functionality is designed to search for leaks with the examination of gas vapors at different points. At the same time, in the segment of home devices, there are different levels of functional content. For example, a household gas analyzer from the budget category works with the simplest warning system, which can be represented by light or sound indication. Thatyes, if the apartment has an excess of gas vapor concentration relative to the standard value, the detector will give a corresponding signal, but without additional information. More sophisticated household models are equipped with a display that reflects data with detailed characteristics of the studied environment.
Varieties of the detector
Home gas analyzers are available in manual and automatic versions. In the first case, this is a simple absorption apparatus, the principle of operation of which is based on the process of absorption of gas vapors by reagents. These are inexpensive and at the same time affordable devices that demonstrate an average level of analysis accuracy. Automatic models are characterized by wider possibilities for studying target environments. In particular, a gas analyzer of this type can continuously monitor certain parameters of a mixture or its individual component. As for the principle of operation, it can be based on the principle of physical analysis, chemical reactions or physico-chemical process. With the help of an automatic detector, the user determines such indicators as the pressure and volume of the mixture, the concentration of oxides, etc.
Installation of gas analyzers
In the family of household analyzers, there are also stationary models that require a special installation. At the same time, they are also distinguished by their compact size, unpretentious maintenance and low performance. Installation of such a device is usually carried out in a placeincreased risk of gas leakage. This may be an area next to a boiler plant, boiler or stove. Mounting is most often carried out on the wall in such a way that the user has the possibility of direct access to the control panel of the device. The gas analyzer is fixed using a mounting profile, which is usually included in the basic kit. Using screws or self-tapping screws, it is necessary to install the carrier panel, and the device itself is already integrated into it. Depending on the type of model, it may be necessary to run a power cable from the mains, although household low-power analyzers are more likely to run on batteries.
Exploitation nuances
The work begins with the definition of mixtures to which the device will be oriented. Modern devices allow you to configure the sensing elements to monitor various parameters of mixtures. The main setting refers to the determination of the upper and lower levels of the gas concentration. Particular attention during operation should be paid to the diagnostics of the device. Approximately once every six months, gas analyzers are calibrated, which consists in a comprehensive examination of the device with a test of its working qualities. The metrological characteristics, on which the error of the obtained values depends, are necessarily evaluated. Usually, verification is performed by switching the device to the appropriate mode, after which the test mixtures are analyzed by sensors. Next, a reconciliation of the obtained indicators with the normative ones is performed. Depending on thereceived error data may require calibration, which is most often implemented in automatic mode.
Producers and prices
Gas analyzers are not widely used metrological instruments, therefore their development and production are mainly carried out by specialized companies. The best of them include Rothenberger, CEM, Testo and Mastech. Decent quality models from the MEGEON line are popular in the Russian segment. Detectors differ significantly in price - it depends on many parameters. A simple gas analyzer for the home with a minimum set of functions can cost about 2-3 thousand rubles. Average devices with a display are already estimated at 5-7 thousand. Multifunctional indicators with high-tech sensors can cost 15-20 thousand
Conclusion
Detectors that are used to detect leaks and spills in residential buildings are increasingly being considered as components of integrated security systems. In classical signaling circuits, such devices are introduced into a single control center for electrical engineering with the ability to program functions. This means that the gas analyzer can automatically adapt to work in specific conditions. We can say that in a separate mode of operation, a modern automatic detector makes it possible to program. But integrated security systems expand these possibilities, becausethe controller manages the analyzer parameters based on data from a variety of other sensors and transducers.
