Chapter 3. Operation and Programming
42 Moisture Target Series 6 Hygrometer User’s Manual
3.3.7 Trimming the Outputs (cont.)
Use the left and right arrow keys to select
each digit to be changed, and the up and
down arrow keys to increase or decrease its
value. Press Enter to save (or Cancel
to keep the previous value).
The Output Trim menu returns with Trim
Span highlighted. To change the span value,
press Enter . A screen similar to the
following appears.
This will cause the MTS6 to output 20.000 mA on the output being trimmed.
The output value should then be read using the connected recorder, SCADA
equipment, or DVM. Enter the value read from the connected equipment as
the Span Trim value.
Use the left and right arrow keys to select
each digit to be changed, and the up and
down arrow keys to increase or decrease its
value. Press Enter to save (or Cancel
to keep the previous value).
Trimming is complete. Accuracy can be verified using the Test Menu,
above.
Example: Trim is reset, then Trim Zero is selected. The SCADA input
reports 3.977 mA.
The operator enters “3.977” as the Zero Trim value.
Trim Span is selected. The SCADA input reports 19.985 mA.
The operator enters “19.985” as the Span Trim value.
MTS6 will adjust the output accordingly to true the output as read by the
customer recorder, SCADA or DVM.
Using the Test Menu, the operator verifies that a test value of 0% now reads
4.000 mA at the SCADA equipment, and a test value of 100% now reads
20.000 mA.
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