Digital Multimeter Operation 2
Making Measurements
U3606A User’s and Service Guide 37
Measuring low-resistance
1 Press Shift > Lo Ω to make 4- wire low- resistance measurements. (The
Lo Ω annunciator is shown on the display.)
2 Connect the first red and black test leads to output terminals
(FORCE +) and (FORCE –) respectively as shown in Figure 2-4.
3 Connect the second red and black test leads to input terminals
(SENSE +) and LO (SENSE –) respectively as shown in Figure 2- 4.
4 Probe the test points and read the display.
Table 2 - 6 Low-resistance measurement summary
Item Description
Available ranges 100 mΩ, 1000 mΩ, 10 Ω
Measurement method
Four-wire, the test current is sent from the FORCE terminals and the
resistance is measured by the SENSE terminals.
Input protection
• FORCE terminals: 1000 V
dc
on all ranges, protected with a 3.15
A/250 V FF fuse
• SENSE terminals: 1000 V
rms
on all ranges, < 0.3 A short circuit
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