The Laureate™ LT Series DIN Rail Programmable Transmitter offers RS232 or RS485 Serial Data Communication and Analog outputs.  Eight plug-in Signal Conditioners can interface with a wide range of sensors and transducers. These transmitters provide the same high performance—high accuracy, fast read rate—and extensive programmable features as the Laureate™ Series 1/8 DIN digital panel meters, counters, and timers. They use the same signal conditioner boards, Read more...

Industrial Analog Transmitters

DC Voltage and Current Input Signal

Accuracy of 0.01% of reading ± 2 counts. High read rates at up to 60 or 50 conversions per second.

    $334.00

    Load Cell, Strain Gauge and Microvolt

    Accuracy of 0.01% of reading ± 2 counts. High read rates at up to 60 or 50 conversions per second.

      $417.00

      Scale Transmitter for Weighing

      Accuracy of 0.01% of reading ± 2 counts. High read rates at up to 60 or 50 conversions per second.

        $334.00

        Process & Ratiometric Signals

        Accuracy of 0.01% of reading ± 2 counts. High read rates at up to 60 or 50 conversions per second.

          $334.00

          True RMS AC Voltage & Current

          Accuracy of 0.01% of reading ± 2 counts. High read rates at up to 60 or 50 conversions per second.

            $388.00

            Thermocouple Temperature

            Accuracy of 0.01% of reading ± 2 counts. High read rates at up to 60 or 50 conversions per second.

              $334.00

              RTD Temperature

              Accuracy of 0.01% of reading ± 2 counts. High read rates at up to 60 or 50 conversions per second.

              $334.00

              Resistance in Ohms

              Accuracy of 0.01% of reading ± 2 counts. High read rates at up to 60 or 50 conversions per second.

                $334.00

                Industrial Electronic Digital Counters

                Industrial Electronic Digital Timers

                What is a LT Series DIN Rail Transmitter?

                A DIN rail transmitter is a signal conditioner that mounts on a standard DIN rail inside a control cabinet, takes a sensor or process input, and converts it into a standardized, isolated output that the rest of a control system can use. The Laureate LT Series accepts a wide range of inputs — DC voltage and current, true-RMS AC voltage and current, thermocouple and RTD temperature, load cell and strain gauge, process loops such as 4–20 mA and 0–10 V, resistance, and frequency or pulse rate — through one of several interchangeable plug-in signal conditioner boards. Each transmitter provides a scaled 4–20 mA or 0–10 V isolated analog output, isolated RS-232 or RS-485 serial data I/O, isolated transducer excitation, and dual relays. Because the LT Series shares the same signal conditioner boards, firmware, and setup software as Laurel's 1/8 DIN panel meters, a transmitter delivers the same accuracy and high read rate as a panel meter, but in a compact rail-mount package built for system integration rather than front-panel display.

                DIN Rail Transmitter vs. Panel Meter

                • Panel meter: Mounts in the face of a panel to give operators a visible readout.
                • DIN rail transmitter: Mounts on a rail inside the cabinet, with no display, to condition a signal and send it onward as an analog output or serial data.
                • Same core, different job: The LT transmitter uses the same measurement engine as the Laureate panel meter, so it shares the accuracy and read rate — it is built to transmit rather than to show.

                How to Choose a DIN Rail Transmitter

                • Input signal: Pick the signal conditioner that matches your sensor — DC, true-RMS AC, thermocouple, RTD, load cell, process loop, resistance, or frequency/pulse.
                • Output: Confirm you need a 4–20 mA or 0–10 V isolated analog output, serial data (RS-232/RS-485), or both.
                • Isolation: Verify isolation between input, output, power, and communications for noise immunity and ground-loop protection.
                • Relays and excitation: Specify dual relays for alarms or control, and built-in transducer excitation if your sensor needs it.
                • Mounting and power: Confirm DIN rail fit and a supply voltage that suits your cabinet.

                Where DIN Rail Transmitters Are Used

                • Process control: Conditioning sensor signals into 4–20 mA loops for PLCs and DCS in manufacturing and process plants.
                • Energy and power: Transmitting voltage, current, and power-factor data to monitoring systems.
                • Temperature and weighing: Converting thermocouple, RTD, and load cell signals into standardized outputs.
                • Remote monitoring: Sending isolated serial data over RS-485 to SCADA across long cable runs.

                Frequently Asked Questions

                What is the difference between a transmitter and a signal conditioner?

                The terms overlap. A signal conditioner prepares a raw sensor signal — amplifying, isolating, and linearizing it — while a transmitter conditions the signal and sends it onward as a standardized output such as 4–20 mA or serial data. The Laureate LT Series does both: it conditions the input through a plug-in board and transmits the result as an isolated analog output and serial data.

                Why is a 4-20 mA output used instead of voltage?

                A 4–20 mA current loop resists signal loss over long cable runs and is largely immune to electrical noise and voltage drop, which makes it the industrial standard for transmitting process data. Because the live signal starts at 4 mA rather than 0, a reading of 0 mA also flags a broken wire or fault. The LT Series provides an isolated 4–20 mA output, with 0–10 V available where a voltage signal is preferred.

                What inputs can an LT Series DIN rail transmitter accept?

                Through interchangeable plug-in signal conditioner boards, the LT Series accepts DC voltage and current, true-RMS AC voltage and current, thermocouple and RTD temperature, load cell and strain gauge, process signals such as 4–20 mA and 0–10 V, resistance, and frequency, rate, or pulse inputs. You match the board to the sensor, so one transmitter family covers a broad range of measurements.

                Can a DIN rail transmitter communicate over Modbus or RS-485?

                Yes. The LT Series provides isolated RS-232 or RS-485 serial data I/O and supports Modbus, so a transmitter can report digitally to a PLC, SCADA system, or data logger at the same time it drives its analog output. The serial link suits distributed installations where many devices are monitored from one location.

                Why mount a transmitter on a DIN rail?

                DIN rail is the standardized mounting system used inside industrial control cabinets. Rail mounting lets transmitters clip in side by side with breakers, relays, and PLCs, keeps wiring organized with detachable screw-clamp connectors, and makes installation and replacement quick. It is the practical choice when the device lives in the cabinet rather than on the panel face.

                How accurate are LT Series transmitters?

                Because they share the measurement engine of the Laureate panel meters, LT Series analog-input transmitters provide accuracy of 0.01% of reading ± 2 counts with high read rates of up to 60 or 50 conversions per second. Frequency and timer versions use a time-base crystal calibrated to ± 2 ppm. All inputs, outputs, power, and communications are isolated from one another.

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