2 Digital Multimeter Operation
Making Measurements
30 U3606A User’s and Service Guide
Measuring DC current
1 Press to make DC current measurement. (The DC annunciator is
shown on the display.)
2 Connect the red and black test leads to input terminals I (red) and
LO (black) respectively as shown in Figure 2- 2.
3 Probe the test points and read the display.
Table 2 - 3 DC current measurement summary
Item Description
Available ranges 10.0000 mA, 100.000 mA, 1.00000 A, 3.0000 A
Measurement method Sigma Delta A-to-D converter
Burden voltage and shunt
resistance
• < 0.2 V, 10 Ω for 10 mA range
• < 0.2 V, 1 Ω for 100 mA range
• < 0.3 V, 0.1 Ω for 1 A range
• < 0.7 V, 0.01 Ω for 3 A range
Input protection Protected with a 3.15 A/500 V, FF fuse
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