Digital Multimeter Operation 2
Making Measurements
U3606A User’s and Service Guide 43
Measuring frequency — current path
The range and resolution of the frequency measurement via the current
path follows the configuration of the AC current measurement.
1 Press > Hz ms % to make frequency measurements via the current
path. The AC current measurement display will flash briefly before the
frequency measurement display is shown.
2 Connect the red and black test leads to input terminals I (red) and
LO (black) respectively as shown in Figure 2- 6.
3 Probe the test points and read the display.
Table 2 - 8 Frequency measurement (current path) summary
Item Description
Available ranges
10.0000 mA, 100.000 mA, 1.00000 A, 3.0000 A — range is based on
the current level of the signal, not frequency
Measurement method Reciprocal counting technique
Signal level 0.2 V to 1.4 V
Input protection Protected with a 3.15 A/500 V, FF fuse
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