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Introduction of Combustion Fixed Gas Detector Apparatus
This combustion-type Fixed Gas Detector Apparatus prepares a high-temperature-resistant catalyst layer on the surface of the platinum resistor. At a certain temperature, the combustible gas catalyzes combustion on its surface. Combustion increases the temperature of platinum resistance, and the resistance changes, and the change value is a function of the concentration of flammable gas.
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Types of Semiconductor Fixed Gas Detector Apparatus
Semiconductor Fixed Gas Detector Apparatus: Fixed Gas Detector Apparatus is manufactured by using some metal oxide semiconductor materials, at a certain temperature, the electrical conductivity changes with the change of the ambient gas composition. Advantages of Semiconductor Fixed Gas Detector Apparatus: Semiconductor-type Fixed Gas Detector Apparatus can be effectively used for the detection of many gases such as methane, ethane, propane, butane, alcohol, formaldehyde, carbon monoxide and carbon dioxide, ethylene, acetylene, vinyl chloride, styrene, and acrylic acid.
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Detection principle of Fixed Gas Detector Apparatus
It is generally believed that the definition of Fixed Gas Detector Apparatus is based on the classification of the detection target, that is to say, any sensor used to detect gas composition and concentration is called a gas sensor, regardless of whether it uses physical methods or chemical methods. For example, a sensor that detects gas flow is not considered a Fixed Gas Detector Apparatus, but a thermal conductivity gas analyzer is an important Fixed Gas Detector Apparatus, although they sometimes use roughly the same detection principle.
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Introduction of Gas Detector and Fixed Gas Detector Apparatus
A gas detector is an instrumentation tool for gas leak concentration detection, including portable gas detector, hand-held gas detector, Fixed Gas Detector Apparatus, online gas detector, etc. The gas sensor in the Fixed Gas Detector Apparatus is mainly used to detect the type of gas existing in the environment. The gas sensor is a sensor used to detect the composition and content of the gas.
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Selection and oil filling of capillaries in Pressure transmitter and Pressure transmitter housing
After adding a set of remote capillary tube and remote diaphragm to ordinary Pressure transmitter and Pressure transmitter housing, the influence of various factors on transmitter measurement should be considered. The measurement accuracy and dynamic response time of the Pressure transmitter and Pressure transmitter housing will vary greatly, and the error caused is likely to be very large.
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Remote Diaphragm Application in Pressure transmitter housing
Application of remote diaphragm. Taking a pressure transmitter as an example, a pressure transmitter with a remote diaphragm is mainly composed of a pressure transmitter, a Pressure transmitter housing, a remote diaphragm, a process connection and a capillary. In general, this kind of Pressure transmitter housing with a remote diaphragm should be used as little as possible. The high precision and high stability of various transmitters are only for single transmitters, but there are no exact application indicators for Pressure transmitter housing with capillary tubes.
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