The Rosemount Temperature Transmitter consists primarily of measurement sensors, module circuitry, display headers, case, and other component connections. It can convert the received gas, liquid and other pressure signals into standard current and voltage signals to supply indications, regulators, etc. for indication and process adjustment. It is a common tool in our industry for various measurements in the industry. use.

A temperature signal or a normal electrical signal is converted into a standardized electrical signal output or a device capable of outputting by a communication protocol method, and the temperature variable is converted into a normalizable output signal that can be transmitted. There is a given continuous function relationship (usually a linear function) between the transmitter output signal and the temperature variable. The output signal of the earlier produced transmitter is linearly related to the resistance value (or voltage value) of the temperature sensor. .

Then let's take a look at how to troubleshoot the failure of the Rosemount temperature transmitter for your reference. Please see the following description:

1. The error occurs due to air leakage or blockage of the three-valve of the temperature transmitter.

2. The zero position of the temperature transmitter is high (or low), causing the static and differential pressure values ​​to be too large (or small), so that the calculated gas volume is larger (or smaller) than the actual gas volume.

3. The accuracy level and range of the temperature transmitter are not selected correctly, or the selection error is not selected according to the requirements of GB/T18603-2001 “Technical Requirements for Natural Gas Metering System”.

Temperature transmitter to solve the error method:

1. Regularly check the temperature transmitter for leak detection.

2. Periodically check the temperature transmitter for zero return. If there is abnormality or over-condition, it should be calibrated in time and expired.

3. Strictly select and install according to the requirements of GB/T18603-2001 "Technical Requirements for Natural Gas Metering System".

4, the temperature in winter is declining, especially the water content of the associated gas in the oil field is increased, it is prone to freezing blockage, the number of discharges needs to be increased, and the temperature transmitter is equipped with insulation equipment (such as adding incubator and heating cable).

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