7352 Series Digital Multimeter Operation Manual
4.2.1 Measurement Functions
4-19
4.2.1.10 Bch DC Current Measurement (DCI-Bch)
1. Connect a DUT to the Bch A and COM terminals on the front panel.
2. Press and .
The Bch and DC indicators are activated.
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 A 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 4-14 DC Current Measurement (DCI-Bch)
Restrictions on the auto-range
The 10 A range is a fixed range.
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 4-12 Maximum Allowable Applied Current and Protection Function (DCI-Bch)
Input terminal
Maximum allowable
applied current
Protection function
Bch Between A and COM B terminals 10 A F15A/250V fuse (Inside of this instrument)
250 V or less
10 A or less
10 Arms or less
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