Principle and application of temperature transmitter - Database & Sql Blog Articles

Photocoupler

temperature

Transmitter

Is a common

instrument

The application range of temperature transmitter is very wide. There are temperature transmitters in various fields. Users don't know what the working principle of temperature transmitter is. 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 for work.

meter

The working meter displays the corresponding temperature value.

Temperature transmitter features

● Two-wire output DC4-20mA current signal, strong anti-interference ability;

●Save the cost of compensation wires and installation temperature transmitters;

● Large measuring range;

● cold end temperature automatic compensation, nonlinear correction circuit;

Temperature transmitter application

Usually with display instruments,

Recording instrument

, electronic computers and other supporting use. 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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