2 Making Measurements
56 Keysight U1251B and U1252B User’s and Service Guide
Percentage scale of 4 mA to 20 mA
Set up the multimeter to measure percentage scale as shown in Figure 2-4. Probe
the test points and read the display.
The percentage scale for 4 mA to 20 mA or 0 mA to 20 mA is set to two ranges as
follows:
NOTE
– Press to select percentage scale display. Ensure that or is
shown on the display.
– The percentage scale for 4 mA to 20 mA or 0 mA to 20 mA is calculated using
its corresponding DC mA measurement. The U1251B and U1252B will
automatically optimize the best resolution according to Table 2-2 below.
– Press to change the measurement range.
Table 2-2 Percentage scale and measurement range
Percentage scale (4 mA to 20 or 0 mA to 20 mA)
Always auto range
DC mA auto or manual range
999.99%
50 mA, 500 mA
9999.9%
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