EN
14331645.02 07/2021 EN/DE/FR/ES
26
WIKA operating instructions model TR36
12.
Specifications
Measuring element
Type of measuring element
Version 4 ... 20 mA
Pt1000
(measuring current < 0.3 mA; self-heating
can be ignored)
Version Pt100
Pt100 (measuring current 0,1 ... 1,0 mA)
Connection method
Version 4 ... 20 mA
2-wire
Version Pt100
■
2-wire
■
3-wire
■
4-wire
Tolerance value of the measuring element
1)
per IEC 60751
Version 4 ... 20 mA
Class A
Version Pt100
■
Class A
■
Class B at 2-wire
1) Depending on the process connection, the deviation can be bigger.
Accuracy specifications (4 ... 20 mA version)
Tolerance value of the measuring
element
1)
(IEC 60751)
Class A
Measuring deviation of the
transmitter (IEC 62828)
±0.25 K or 0.25 % of the set span (greater
value applies)
Total measuring deviation
(IEC 62828)
2)
Measuring deviation of the measuring
e transmitter
Influence of ambient temperature
0.1 % of the set measuring span / 10 K T
a
Influence of supply voltage
±0.025 % of the set measuring span / V
(depending on the supply voltage U
B
)
Influence of load
±0.05 % of the set measuring span / 100 Ω
Linearisation
Linear to temperature per IEC 60751
Output error
±0.1 %
3)
of the set measuring span
12. Specifications
