FTR264

FTR264 is a wireless 4-channel universal thermocouple transmitter.

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User Manual
Inputs
  • Thermocouples:  B, C, D, E, G, J, K, L, N, R, S and T as well as mV signal.
  • FTR264 screw post connector: Detachable. For 1.5 mm² connection wires
  • Overload protection: the input is protected from a maximum of 24 volt overvoltage.
Environment
  • Operating temperature: -30…+60 °C
  • Operating humidity: 0-100 %RH
  • Protection class: IP65, if all cable transits are in use or plugged
  • Weight: Approximately 192 g without sensors
  • Largest exterior dimensions:
    • Width 102 mm
    • Height 130 mm
    • Depth 35 mm
  • Cable transits 4 pcs M12x1.5, cable diameter 1.5-8 mm
Power source
  • Battery: 1.5 V, type LR6 (AA) alkaline battery, “heavy-duty”
  • Typical battery life: 1.5 years when transmission interval 90 s
Radio transmitter
  • Type: unlicensed 433.92 MHz ERC/REC/70-03 sub-band f
  • Transmitting frequency: 433.92 MHz ISM band
  • Transmitting power up to +10 dBm E.R.P.
  • Range:
    • Open space range up to 100 m
    • Indoor range typically 50…100 m
  • Antenna: built-in
  • Compatible equipment: Nokeval MTR, RTR, FTR, DPR and FT20 series 433.92 MHz radio receivers
To an external temperature sensor
  • Sensor: thermocouple sensors
  • Sensor cable length: <30 m
  • Measuring ranges and linearity error (in parentheses):
    • 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: (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) mV: 2.7 µV TcK: 0.06 °C
  • Input loading: (mV) >1 MΩ