Temperature Transmitters

High-quality temperature transmitters from WIKA

Temperature transmitters are a fundamental component in the industry. These temperature transmitter devices convert the input signal from a wide range of temperature sensors, such as resistance thermometers, thermocouples, and potentiometers, into a standardized analogue or digital output signal. The WIKA standard analogue outputs for temperature transmitters are 0…10 V or 4 … 20mA.  4…20 mA is the predominant output signal as many industries have adopted this standard for current loop communication.  WIKA also offers standard digital outputs of HART, FOUNDATION™ Fieldbus protocol and PROFIBUS® PA (Process Automation).These Smart temperature transmitters are a two-way communication platform resulting in enhanced diagnostics for the device(s), free configuration of the sensor and measuring range, error signalization or measuring point identification.

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What does „Pt100“ mean?

A platinum resistance temperature detector (RTD); Pt100 is a device with a resistance of 100 Ohms at 0°C . Its resistance changes as its temperature changes. The resistance is proportional to the temperature of the RTD. Pt stands for Platinum with a nominal res ... More

What are 2-, 3- and 4-wire circuits?

This describes the number of wires connected to a Resistance Temperature Detector (RTD) (e.g. a Pt100). With a simple 2-wire connection, the lead resistance can influence the measurement value, the lead resistance  can be compensated with a 3- or 4-wire l ... More

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