WIKA Pascal ET - Manual (Page 57)

6 Commissioning, operation
WIKA Operating Instruction, Model Pascal ET and Pascal ET/IS 57
GB
The instrument shows:
Pre
ss “Zero Trim” or “Span Trim”, and the display shows (in this case Span Trim is selected):
The HART instrument is put in fixed mode generation (4 or 20 mA) and the REF channel is
measuring the true analog mA generation. To re-align to the correct 20 mA (or 4 mA) generation
press “Calibrate” button.
If needed follow the same procedure for “Zero Trim”.