Hioki 3256-50, Инструкция по эксплуатации

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5.1 Replacing the Batteries and Fuses
44
A fuse is mounted to the
μ
A.mA and A terminals in
order to protect the circuit. If the current cannot be
measured, the fuse may have blown due to
overcurrent. Replace the fuse or battery in
accordance with the procedure specified below.
1.
Disconnect the test leads
from the measurement cir-
cuit, and make sure the
function selector is in the
OFF position.
2.
Position the measurement
product with the rear case
(bottom face) pointing
upward, and use the Phillips
screwdriver to remove the
three lock bolts.
3.
Lift and remove the rear case.
4.
Replace the two manganese
batteries (R03) mounted to
the rear case, or the fuse
mounted to the front case.
5.
Mount the rear case and
tighten the three lock bolts.
Lower case
Upper case
μ
A.mA terminal
10A terminal
Necessary tool: Phillips screwdriver
Fuse type
10A terminal:
TDC600-10A (made by Cooper
Bussmann*), Fast-Acting, Rating
10A/600VAC, Breaking capacity 10
kA/250 VAC, 200 A/600 VAC
μ
AmA terminal:
70125 (made by SIBA Inc.), Fast-Act-
ing, Rating 0.5 A/700 VAC, Breaking
capacity 50 kA
*Cooper Industries Inc., Bussmann
Division, USA
Different fuses are mounted to the
μ
A, mA and A
terminals. When replacing a fuse, make sure you
are accessing the correct terminal.