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Temperature Transmitters for Signal Conditioning

Temperature transmitters convert thermocouple, RTD, and low-level temperature sensor signals to 4-20mA, 0-10V, or other DC voltage/current outputs. Acromag offers temperature transmitters in head-mount and DIN-rail form factors. Some temperature transmitters have software-configured universal input to convert a broad range of temperature sensor and other signals with a single unit. Many options to choose from -  head mount temperature transmitter, DIN-rail temperature transmitter, universal programmable transmitter browse the options below.

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    DT333: Thermocouple / milliVolt Input Four-Wire Dual Transmitter

    • Dual channels
    • Universal thermocouple, mV inputs
    • Isolated current or voltage outputs
    • 6-32V DC local/bus power
    The DT333 model is a four-wire dual transmitter that isolates and converts millivolt or thermocouple sensor inputs to proportional control signals. Each channel supports DC current or voltage output. Click here to watch a short video highlighting the features of the DT333
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    DT335: RTD / Resistance Input Four-wire Dual Transmitter

    • Dual channels
    • RTD (Pt, Ni, Cu) or 0-4500 ohm input
    • 0-20mA, ±10V outputs
    • 6-32V DC local/bus power
    The DT335 model is a four-wire dual transmitter that isolates and converts RTD or linear resistance sensor inputs to proportional control signals. Click here to watch a short video highlighting the features of the DT335.
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    TTC-SIP: Software

    • Software Interface Package for Acromag DT, ST, TT Series Transmitters and SP, uBSP Series Signal Splitters.
    • Includes configuration sofware CD-ROM (5040-xxx), isolator (USB-ISOLATOR) and two USB cable (4001-112, 4001-113) (Recommend one kit per customer.)
    • Easy setup and digital calibration via USB with Windows configuration software.
    • Download the configuration software only - from the Software Tab
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Temperature Transmitters - Continued

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What is a Temperature Transmitter For Signal Conditioning?

A temperature transmitter is an electrical instrument that interfaces a temperature sensor for example a thermocouple, RTD, or thermistor sensor to a measurement or control device like a PLC, DCS, PC, loop controller, data logger, display, recorder, etc.

Typically, temperature transmitters isolate, amplify, filter noise, linearize, and convert the input signal from the sensor then send or transmit a standardized output signal to the control device. Common electrical output signals used in manufacturing plants are 4-20mA or 0-10V DC ranges. For example, 4mA could represent 0°C and 20mA means 100°C. 

Temperature Transmitter Inputs

A thermocouple sensor is a pair of dissimilar metal wires joined at one end. The junction produces a low level voltage proportional to the difference in temperature between the open and closed ends. 

An RTD or Resistance Temperature Detector is a passive circuit element whose resistance increases with increasing temperature in a predictable manner.

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