12.2.9
Factory settings
12.2.9.1
Factory setting SITRANS TH320/TR320/TF320
Factory settings
SITRANS TH320/TR320
Input
Pt100 (IEC 751) in 3-wire connection
Measuring range
+0 ... +100 °C (+32 ... +212 °F)
Fault current
• Input circuit wire break
22.8 mA
• Input circuit short circuit
22.4 mA
• Input monitoring wire break and short-circuit
Sensor calibration
No sensor calibration of the input and output
Damping
0.0 s
12.2.9.2
Factory setting SITRANS TH420/TR420/TF420
Factory settings
SITRANS TH420/TR420
Input 1
Pt100 (IEC 751) in 3-wire connection
Input 2
not configurable (inactive)
Measuring range
+0 ... +100 °C (+32 ... +212 °F)
Fault current
• Input circuit wire break
22.8 mA
• Input circuit short cir‐
cuit
22.4 mA
• Input circuit drift
22 mA (active when input 2 is active)
Input monitoring wire break and short-circuit
Sensor calibration
No sensor calibration of the input and output
Damping
0.0 s
12.3
USB modem
Ambient conditions
Pollution degree according to IEC 61010
1 ... 2
Ambient temperature range
0 ... 50 °C (+32 ... +122 °F)
Storage temperature range
-20 ... +65 °C (-4 ... +149 °F)
Relative humidity
5 ... 80% at 25 °C (no condensation)
Technical data
12.3 USB modem
SITRANS TH100/TH320/TH420/TR320/TR420/TF320/TF420 with 4 to 20 mA/HART
214
Operating Instructions, 05/2020, A5E41864807-AB