FTR264
FTR264 is a wireless 4-channel thermocouple transmitter.
Benefits and features
- 4-channel wireless thermocouple transmitter
- Supports nearly all thermocouples
- Cost-effective option per measurement point
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
