Trident Model PD765 Universal Input Meter Instruction Manual
61
Tips:
•
Low and high input signals can be any valid values within the
range of the meter.
•
Observe minimum input span requirements between input 1
and input 2.
•
Low input must be less than high input signal.
Error Message (
Err
)
An error message indicates that the calibration or scaling process was
not successful.
After the error message is displayed, the meter reverts to input 1, allow-
ing the appropriate input signals to be applied.
The error message might be caused by any of the following conditions:
1. Input signal is not connected to the proper terminals, or it is con-
nected backwards.
2. Wrong signal selection in
Setup
menu.
3. Minimum input span requirements not maintained.
Minimum Input Span
The minimum input span is the minimum difference between input 1 and in-
put 2 signals required to complete the calibration or scaling of the meter.
Input range
Input 1 & input 2 span
4-20 mA
0.40 mA
±
10 VDC
0.20 VDC
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