28
27
3. Application
Hang onto nail, hook or other objects, or attach to iron objects such as power
distribution cabinet, photovoltaic combiner box, automobile engine hood, etc.
As shown below:
Iron
XVI. Maintenance and Repair
The multimeter is an advanced intelligent precise instrument. The maintenance
must be carried out by authorized personnel with performance calibration
skills and repair knowledges.
The multimeter is designed with auto calibration technology, all parts and
components (except for specified replaceable ones) cannot be replaced
without authorization, so as to avoid specification deviation.
1. General maintenance
● Please clean the multimeter with wet cloth and mild cleaning agent only,
do not wipe the product surface with chemical solvent.
● If any problem with the multimeter is found, please stop use and send it
for maintenance.
● The calibration and maintenance must be performed by qualified repair
personnel or designated repair department.
● Power off the multimeter when not use. Remove the battery if not use for
a long time.
● Do not keep in environments with high humidity, high temperature and
strong electromagnetic fields.
2. Replace battery or fuse (Figure 11)
Warning:
(1) When the symbol “ ” shows on the LCD, please replace the battery in
otherwise the measurement accuracy can be affected. Battery
time,
1.5V AAA x3 (4.5V)
specification:
(2) If the display does not function at all when measuring current, please
check if the built-in fuse is blown out. Please check the fuse as per the
instructions below:
Set the rotary switch to Ω position, then short-circuit V terminal and A
terminal. If the displayed resistance is about 0.0Ω, the fuse is good,
otherwise damaged.
If the fuse is blown out, please replace it by a new one same in original
specifications.
Fuse specification: 11A/1000V (energy: 30KA) Φ10.3×38
Operating steps:
Set the rotary switch to OFF position, then remove the test lead from input
terminal.
Battery replacement: Loosen the screw at the battery cover by screw driver,
remove the battery cover, and replace the battery. Please install the battery
according to the correct polarity.
Loosen the two screws at the rear cover, remove the rear cover, and replace
the blown fuse.
Screw
Support and battery cover
Battery
Fuse
Multimeter
UT117C User Manual
UT117C User Manual
Figure 11
