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.  

Showing all 15 results

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    DT233: Thermocouple / milliVolt Input Two-Wire Dual Transmitter

    • Dual channels
    • Universal thermocouple, mV input
    • 4-20mA outputs (sink/source)
    • 7-32V DC loop/local
    The DT233 model is a dual two-wire transmitter that isolates and converts millivolt or thermocouple sensor inputs to proportional 4-20mA control signals. Power is received from the output loop current.

    Click here to watch a short video highlighting the features of the DT233.

    $315
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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.
    $370
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    TT233: Thermocouple / milliVolt Input Two-Wire Transmitter

    • Universal TC type J, K, T, R, S, E, B, N or ±100mV input
    • 4-20mA ouput (sink/source)
    • 12-32 V DC loop/local power
    The TT233 model is a space-saving two-wire transmitter that isolates and converts a millivolt or thermocouple sensor input to a proportional 4-20mA control signal. Power is received from the output loop current or a DC supply when using a three-wire connection. Click here to watch a short AcroMaggie video highlighting the TT230 Series.
    $195
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    TT333: Thermocouple / milliVolt Input Four-wire Transmitter

    • Universal thermocouple / millivolt input
    • Universal current / voltage output
    • 12-32V DC local / bus power
    The TT333 model is a space-saving four-wire transmitter that isolates and converts a millivolt or thermocouple sensor input to a proportional control signal. DC current and voltage output are both supported on a single model. Click here to watch a short video highlighting the TT330 Series.
    $265
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    DT235: RTD / Resistance Input Two-Wire Dual Transmitter

    • Dual channels
    • RTD (Pt, Ni, Cu), 0-4500 ohm inputs
    • 4-20mA output (sink/source)
    • 7-32V DC loop power
    The DT235 model is a two-wire dual transmitter that isolates and converts RTD or linear resistance sensor inputs to a proportional 4-20mA control signal.

    Click here to watch a short video highlighting the features of the DT235.

           
    $290
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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.
    $340
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    TT231: RTD / Resistance Input Two-Wire Transmitter

    • 100 ohm Pt RTD or 0-900 ohm input
    • 4-20mA output (sink/source)
    • 12-32V DC loop/local power
    • USB configuration
    The TT231 model is a space-saving two-wire transmitter that converts a 100 ohm Platinum RTD sensor input to a proportional 4-20mA signal. Power is received from the output loop current or a DC supply when using a three-wire connection. Click here to watch a short AcroMaggie video highlighting the TT230 Series.
    $195
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    801T: Universal Input Intelligent Temperature Transmitter

    • 0 to 20mA DC, 0 to 10V DC output
    • Mechanical relay (25V @ 5A) alarm
    • 10-36V DC power
    • Software configured
    • Performs linearization, square root extraction, and optional limit alarm functions
    These transmitters isolate and convert sensor inputs to noise-free, proportional DC current or voltage output signals. An optional relay output adds a local limit alarm function.  
    $375$520
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    ST131: Transmitter, RTD Input, Loop-Powered

    • 100 ohm Pt RTD or 0-900 ohm input
    • 4 to 20mA DC output
    • 9-32V DC from output loop power
    • USB-configured
    The ST131 is a low-cost two-wire transmitter that converts a 100 ohm Platinum RTD sensor input to a proportional 4-20mA signal. Power is received from the output loop current.
    $120$140
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    ST132: Thermocouple/milliVolt Input Head-mount Transmitter

    • Universal thermocouple (8 types) or ±100mV input
    • 4-20mA output
    • Loop-powered, 7-32V DC
    The ST132 is a low-cost two-wire transmitter that converts a millivolt or thermocouple sensor input to a proportional 4-20mA control signal. Power is received from the output loop current. The transmitter performs signal linearization, cold-junction compensation, and lead-break detection functions.
    $140
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    ST133: Isolated Transmitter; Thermocouple/mV Input

    • TC type J, K, T, R, S, E, B, and N or ±100mV input
    • 1500V isolation
    • 4 to 20mA DC output
    • USB-configured
    The ST133 is a low-cost two-wire transmitter that isolates and converts a millivolt or thermocouple sensor input to a proportional 4-20mA control signal. Power is received from the output loop current. The transmitter performs signal linearization, cold-junction compensation, and lead-break detection functions.
    $165
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    TT234: Potentiometer / Thermistor Input, Two-Wire Transmitter

    • Potentometer / slidewire, thermister input
    • 4 to 20mA output (sink / source)
    • 12-32V DC loop / local power
    • USB configuration
    The TT234 model is a space-saving two-wire transmitter that isolates and converts a resistive sensor input to a proportional 4-20mA signal. Power is received from the output loop current or a DC supply when using a three-wire connection. Click here to watch a short AcroMaggie video highlighting the TT230 Series.
    $195
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    TT235: Isolated RTD Input, Loop Power, 2-Wire Transmitter

    • Selectable RTD or linear resistance input type or 0-500 ohm input
    • 4-20mA output (sink/source)
    • 12-32V DC loop/local power
    • USB configuration
    The TT235 model is a space-saving two-wire transmitter that isolates and converts an RTD sensor input to a proportional 4-20mA signal. Power is received from the output loop current or a DC supply when using a three-wire connection. Click here to watch a short AcroMaggie video highlighting the TT230 Series.
    $195
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    TT334: Potentiometer / Thermistor Input, Four-Wire Transmitter

    • Potentiometer / slidewire input
    • Universal current/voltage output
    • 12-32V DC local/bus power
    • USB configuration
    The TT334 model is a space-saving four-wire transmitter that isolates and converts a resistive sensor input to a proportional control signal. DC current and voltage output are both supported on a single model. Click here to watch a short video highlighting the TT330 Series.
    $265
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    TT335: Isolated RTD Input, DC Local/Bus Power Transmitter

    • Selectable RTD or linear resistance input type or 0-500 ohm input
    • Universal output (source)
    • 12-32V DC local/bus power
    • USB configuration
    The TT335 model is a space-saving four-wire transmitter that isolates and converts an RTD sensor input to a proportional control signal. DC current and voltage output are both supported on a single model. Click here to watch a short video highlighting the TT330 Series.
    $265
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Temperature Transmitters - Continued

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.