7352 Series Digital Multimeter Operation Manual
4.2.1 Measurement Functions
4-12
4.2.1.4 Ach DC Current Measurement (DCI-Ach)
1. Connect a DUT to the Ach mA and COM A terminals on the front panel.
2. Press .
WARNING: Do not measure a current source whose potential is more than 250 V.
This instrument may be damaged and accidents causing injury may occur.
The mA terminal is protected from any applied over-current by a fast-blow fuse.
For more information on how to replace the current protection fuse, refer to Chapter 8, “MAINTE-
NANCE.”
Figure 4-8 DC Current Measurement (DCI-Ach)
NOTE: Applying current causes the temperature to rise in the input terminals and internal circuits, so
thermo-electromotive force is generated by the temperature rise.
While in other function measurements, especially high-sensitivity measurements, wait until the
temperature stabilizes after applying the current.
Table 4-5 Maximum Allowable Applied Current and Protection Function (DCI-Ach)
Input terminal
Maximum allowable
applied current
Protection function
Ach Between mA and COM A terminals 2 A F2A/250V fuse (Rear panel)
250 V or less
2 A or less
2 Arms or less
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