Siemens SITRANS T Series - 12 Technical Data; Sitrans Th100

Technical data
12
12.1 SITRANS TH100
Input RTD
Input type Pt100 according to IEC 60751
Characteristic curve Temperature-linear
Connection type 2-wire, 3-wire and 4-wire
Resolution 14 bit
Measuring accuracy
• Measuring span <250 °C (450 °F)
< 0.25 °C (0.45 °F)
• Measuring span >250 °C (450 °F)
< 0.1% of measuring span
Repeatability < 0.1 °C (0.18 °F)
Measuring current Approx. 0.4 mA
Measuring cycle < 0.7 s
Measuring range -200 ... 850 °C (-328 ... 1562 °F)
Measuring span 25 ... 1050 °C (77 ... 1922 °F)
Unit of measurement °C or °F
O󹪜set (one-point calibration) Programmable: -100 ... +100 °C (-180 ... 180 °F)
Wire resistance Max. 20 Ω (total of forward and return lines)
Interference frequency suppression 50 and 60 Hz
Output
Output signal 4 ... 20 mA, two-wire
Supply voltage 8.5 ... 36 V DC
Up to 30 V for Ex ia and ib
Up to 32 V for Ex nL/ic
Up to 35 V for Ex nA
Max. load (U
aux
-8.5 V) / 0.023 A
Above the range 3.6 mA to 23 mA continuously adjustable
(factory setting: 3.84 mA to 20.50 mA)
Error signal
For example in the event of sensor
breakage
3.6 mA to 23 mA continuously adjustable
(factory setting: 3.6 mA or 22.8 mA)
Damping time 0 ... 30 s (factory setting: 0 s)
Protection Against reversed polarity
Resolution 12 bit
Accuracy at 23 °C < 0.1% of measuring span
Temperature in󹪞uence Max. 0.1% / 10 °C (0.1% / 18 °F)
Power supply in󹪞uence < 0.01% of measuring span / V
SITRANS TH100/TH320/TH420/TR320/TR420/TF320/TF420 with 4 to 20 mA/HART
Operating Instructions, 05/2020, A5E41864807-AB 193