Devices Wireless devices MTR265B

MTR265B

MTR265 is an IP65 protection class wireless transmitter for Pt100, TC, mA and mV inputs. The wireless concept allows easy installation, commissioning and expansion of the system even in difficult locations and installation sites. Suitable for Pt100 sensors with an M12 connector or thermocouple types K, J, T, E, L and N. The sensor is ordered separately.

Product code: 95858

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User Manual

Environment
  • Operating temperature: -30…+60 °C
  • Storage temperature: -40…+70 °C
  • Relative humidity <95 %RH, non-condensing
  • Protection class IP65
  • Enclosure material POM
  • Exterior dimensions Length (incl. sensor connector) 227 mm Width 29 mm Depth 31 mm
  • Power supply Battery 1.5 V type LR03 (AAA) alkaline battery, “heavy-duty”
  • Typical battery life 2 years, when transmission interval 4 min
Radio transmitter
  • Type unlicensed 433.92 MHz ERC / REC / 70-03 sub-band f
  • Transmitting frequency 433.92 MHz ISM band
  • Transmitting power Max. +10 dBm E.R.P.
  • Open space range up to 500 m
  • Indoor range typically 20…50 m
  • Antenna built-in helix
  • Compatible equipment Nokeval MTR, RTR, FTR, DPR and FT20 series 433.92 MHz radio receivers
To an external temperature sensor
  • Sensor type Pt, Ni, Cu resistive temperature sensors and thermocouple sensors
  • Sensor cable length <3 m
  • Measuring ranges and linearity error (in parentheses)
    • Pt100: -200…+700 °C
    • Ni100: -60…+180 °C.
    • Cu: -200…+260 °C
    • Ohm: 0…10 kΩ mV: -30…2,000 mV
    • TcB: 400…1,700 °C (0.3 °C)
    • TcC: 0…2,300 °C (0.5 °C)
    • TcD: 0…2,300 °C (1 °C)
    • TcE: -100…900 °C (0.2 °C)
    • TcG: 1,000…2,300 °C (2 °C)
    • TcJ: -160…950 °C (1 °C)
    • TcK: -150…1,370 °C (0.5 °C)
    • TcL: -150…900 °C (0.5 °C)
    • TcN: 0…1,300 °C (0.1 °C)
    • TcR: 0…1,700 °C (0.5 °C)
    • TcS: 0…1,700 °C (0.5 °C)
    • TcT: -200…400 °C (1 °C)
  • Accuracy (Pt100 4-wire) 0.05 %rdg +0.2 °C at 25 °C
  • Accuracy (mV) 0.05% rdg + 0.01 mV
  • Accuracy (thermocouples) 0.05 %rdg + 0.6 °C + lin. error + env. imp.
  • Thermal drift 0.02 °C/°C comp. temp. 25 °C
  • Noise (typical RMS) Pt100-3W filter = off: 0.08 °C Pt100-3W filter=sec: 0.05 °C Pt100-4W: 0.04 °C Cu10: 0.4 °C mV: 2.7 µV TcK: 0.06 °C
  • Input loading (mV) >1 MΩ