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MEASURING CURRENT
The HPC50 is capable of measuring current in four different modes:
•
mA
Measured current is displayed (mA). The module is capable of measuring inputs up to 55 mA.
•
0-20 mA
Current is displayed as a percentage of the 0-20 mA current range of the module. Where: 0 mA = 0%, and 20 mA = 100%
•
4-20 mA
Current is displayed as a percentage of the 4-20 mA current range of the module. Where: 4 mA = 0%, and 20 mA = 100%
•
10-50 mA
Current is displayed as a percentage of the 10-50 mA current range of the module. Where: 10 mA = 0%, and 50 mA = 100%
To Measure Current
X
1
Select
mA In
.
For more information on working in the HPC50 display, see
2
In current mode, the numerical value displayed represents the current measured at the test lead inputs. In the top right corner is a percentage value based
on whether
0 to 20 mA
,
4 to 20 mA
, or
For example, if the measured current is 16 mA and the selected scale is 4 to 20 mA, the percent will display as 75%.
Measuring Current.
3
Connect the HPC50 using the appropriate test leads.
4
The HPC50 will display the measured current.
Note:
The display will indicate
+ OL
if the measured current exceeds the nominal range of current measurement (55 mA).
Note:
For details on % error, % flow, and scaling features see
Navigating Through a Typical Setup.
10 to 50 mA
is selected.
Percent Error Function.
13
Operation
HPC50 Series Operation Manual
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