Hioki DT4254 - Page 48

40
Inspection Before Use
3
Check that the fuse is not broken.
DT4252, DT4256 check method Action
1. Set the rotary switch to
resistance measurement.
2. Connect the tip of the red test
lead to the A terminal and check
the display.
2
3
Red
1
Normal:
Fuse rating Resistance
11 A 1
Ω
or less
Abnormal:
If the value above is not obtained (the
value higher than that is displayed),
replace the fuse. (p. 100)
DT4253 check method Action
1. Remove the fuse from the
instrument. (p. 100)
2. Reattach the battery cover.
3. In the resistance measurement,
check the resistance of the
fuse. (Resistance measurement
(p. 49))
Normal:
Fuse rating Resistance
250 mA 2 to 7
Ω
Abnormal:
If the value above is not obtained (the
value higher than that is displayed),
replace the fuse. (p. 100)