The principle characteristics of temperature transmitter and the principle characteristics and application of temperature transmitter
The temperature transmitter is a common instrument. The temperature transmitter has a wide range of applications. There are temperature transmitters in various fields. The user does not understand the working principle of the temperature transmitter. What are the advantages? The scope of the application area? Let's take a look at it for everyone.
How the temperature transmitter works
The thermocouple (resistance) measured by the thermocouple (resistance) changes under the working condition, and the unbalanced signal is generated by the bridge of the temperature transmitter. After being amplified, it is converted into a DC4-20mA current signal to the working instrument, and the working instrument is The corresponding temperature value is displayed.
Temperature transmitter features
â— Two-wire output DC4-20mA current signal, strong anti-interference ability;
â—Save the cost of compensation wires and installation temperature transmitters;
â— Large measuring range;
â— cold end temperature automatic compensation, nonlinear correction circuit;
Temperature transmitter application
Usually used with display instruments, recording instruments, electronic computers, etc. The DC4-20mA current signal is output to directly measure liquid, vapor and gaseous media and solid surface temperatures in the range of -200 °C to 1300 °C in various production processes.
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