MTT MS3001 Terminal Block Type Thermocouple Temperature Transmitter

The MTT MS3001 terminal block temperature transmitter takes a raw thermocouple signal and converts it into a clean, standard DC output that your PLC, DCS, or data logger can read directly. Because the electronics are isolated between input, output, and power, the transmitter breaks ground loops and keeps electrical noise from corrupting your temperature readings — a common headache in industrial environments with variable-frequency drives, welding equipment, or long cable runs.

The compact DIN-rail housing mounts directly inside a control panel or junction box, right at the point where the thermocouple wiring terminates, so you can convert to a robust long-distance signal before noise has a chance to creep in. Field-adjustable zero and span controls let technicians fine-tune calibration on site without sending the unit back to a lab, and built-in burnout protection drives the output to a safe, predictable state if the thermocouple ever fails open.

Whether you are retrofitting an older control loop, standardizing signal types across a panel, or adding a new temperature measurement point to an existing system, the MS3001 offers a straightforward, reliable way to bring thermocouple data into standard instrumentation without custom wiring or special I/O cards.

Input TypesThermocouple K, E, J, T, B, R, S, N
Input Resistance1MΩ min.
Cold Junction Compensation Error±0.5°C max. (25°C±15°C)
Output Signal4-20mA DC, 0-20mA DC, 0-10V DC, 0-5V DC, 1-5V DC (and other ranges)
Zero / Span AdjustmentApprox. ±2.5% of span each
Burnout ProtectionStandard: Upscale (Downscale optional)
AccuracyBetter than ±(0.1% of span + 0.5°C + linearity error)
Response Time160ms max. (0 to 90%)
Temperature EffectBetter than ±0.2% of span per 10°C change
CMRR100dB min. (500V AC, 50/60Hz)
Power Supply24V DC (±10%) or 12V DC (±20%)
Power Consumption50mA max. (24V), 35mA max. (voltage output)
Isolation3-way isolation between input, output, and power
Insulation Resistance100MΩ min. (@ 500V DC)
Dielectric Strength1500V AC for 1 minute
Enclosure RatingABS resin housing (UL 94V-0), DIN rail mounting
DimensionsW25.0 × H94.0 × D40.0 mm
Weight90g max.
WiringM3.5 screw terminal, 0.8-1.0 Nm torque
Operating Temperature-5 to 55°C, 5-90% RH non-condensing
Storage Temperature-10 to 60°C
StandardsEMC Directive 2014/30/EU, EN61326-1:2013

Download MTT MS3001 Terminal Block Type Thermocouple Temperature Transmitter information here

Datasheet: MTT_SpecSheet_MS3001_Rev20_E

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