Temperature measurement

CombiTemp TFRH

Hygienic – RTD temperature sensor

  • Can be individually configured to your requirements
  • Optionally available with touch screen
  • Customized immersion depth 20 … 3000 mm
  • 4 … 20 mA, HART or Pt100 output signal
  • Convenient installation and easy operation
Performance characteristics
Process temperature
  • -50 … 230 °C , without cooling neck @ Tamb = 20 °C
  • -50 … 400 °C , with cooling neck @ Tamb = 20 °C
Pt100 accuracy class (EN 60751)
  • B (± 0.3 °C at 0 °C)
  • ± (0.3 + 0.005 × t)°C
  • A (± 0.15 °C at 0 °C)
  • ± (0.15 + 0.002 × t)°C
  • 1/3 B (± 0.1 °C at 0 °C)
  • ± 1/3 × (0.3 + 0.005 × t)°C
  • 1/6 B (± 0.05 °C at 0 °C)
  • ± 1/6 × (0.3 + 0.005 × t)°C
Response time, T50
  • < 1.5 s , Ø4 mm
  • < 6.1 s , Ø6 mm
  • < 7.6 s , Ø8 mm
Process connection
Sensor length
  • 20 … 3000 mm
Sensor tube material
  • AISI 316L (1.4404)
Surface roughness wetted parts
  • Ra ≤ 0.8 µm
Ambient conditions
Degree of protection (EN 60529)
  • IP 67
  • IP 69K , with appropriate cable
Humidity
  • < 98 % RH , condensing
Vibration (sinusoidal) (EN 60068-2-6)
  • 1.6 mm p-p (2 … 25 Hz), 4 g (25 … 100 Hz), 1 octave / min.
Output signal
Without transmitter
  • Pt100, 4-wire
With transmitter
  • 4 … 20 mA , 2-wire
  • 4 … 20 mA , + HART®
Compliance and approvals
EMC
  • EN 61000-6-2
  • EN 61000-6-3
Pressure directive
  • 97/23/EG
Hygiene
  • 3-A (74-06)
  • FDA (21 CFR 177.2415)
Explosion protection
  • ATEX II 1G Ex ia IIC T5/T6
  • ATEX II 1G Ex ia IIC T5
  • ATEX II 3G Ex nA II T5