WIKA WU-20 Mode D'emploi page 14

7. Starting, operation
Signal output and allowed load
4 ... 20 mA, 2-wire
EN
permitted range
Current for external display- or evaluation equipment can be supplied directly from the circuit, when
operating a transducer with current output. A voltage drop specific to the display unit is to be considered.
The transducers are short-circuit-proof for a short time, but anyhow any incorrect connection of the
instrument should be avoided.
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Current output (2-wire)
4 ... 20 mA:
R ≤ (U+ – 10 V) / 0.02 A
A
Voltage output (3-wire)
0 ... 5 V: R > 5 kOhm
A
0 ... 10 V: R > 10 kOhm
A
with RA in Ohm and U+ in Volt
WIKA operating instructions, model WU-2x