MTT MS3002 Terminal Block Type RTD Temperature Transmitter

The MTT MS3002 terminal block RTD temperature transmitter takes a resistance signal from a Pt, JPt, or Ni sensor and converts it into a clean, standard DC output your PLC, DCS, or data logger can use directly. Full isolation between input, output, and power supply breaks ground loops and keeps electrical noise out of the measurement, which matters most in panels shared with variable-frequency drives, contactors, or long field cable runs.

The compact DIN-rail housing mounts right at the point where the RTD wiring lands, so signal conversion happens close to the sensor rather than after noise has a chance to build up on the line. Field-adjustable zero and span controls let technicians calibrate on site without removing the unit, and lead-wire compensation keeps readings accurate even when the sensor is some distance from the panel.

It is a practical fit for retrofitting older RTD loops, standardizing signal types across a control panel, or adding a new temperature point to an existing system without custom wiring or dedicated I/O cards.

Input TypesPt 100Ω, JPt 100Ω, Pt 50Ω, Ni 508.4Ω
Temperature RangesPt 100Ω: -200 to +850°C; JPt 100Ω: -200 to +500°C; Pt 50Ω: -200 to +600°C; Ni 508.4Ω: -50 to +250°C
Excitation CurrentApprox. 1mA
Lead Wire Resistance200Ω max. per wire
Output Signal4-20mA DC, 0-20mA DC, 0-10V DC, 4-10V DC, ±10V DC (and other ranges)
AccuracyBetter than ±(0.15% of span + 0.1°C) at 25°C±5°C
Response Time170ms max. (0 to 90%)
Power Supply24V DC (±10%) or 12V DC (±20%)
Power Consumption50mA max. (24V), 100mA max. (12V)
Isolation3-way isolation between input, output, and power
Dielectric Strength1500V AC for 1 minute
Insulation Resistance100MΩ min. (@ 500V DC)
Enclosure / MountingDIN rail mounting, M3.5 screw terminal connection
DimensionsW25.0 × H94.0 × D40.0 mm
Weight90g max.
Operating Temperature-5 to 55°C, 5-90% RH non-condensing
Storage Temperature-10 to 60°C

Download MTT MS3002 Terminal Block Type RTD Temperature Transmitter information here

Datasheet: MTT_SpecSheet_MS3002_Rev17_E

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