Wireless Operation; Maintenance; General Maintenance; Replacing The Battery - Mastech MS8361D User Manual

NCV indication.

4.10 Wireless operation

• With the rotary switch in any position other than OFF,
press to enable the Wireless communication of the meter.
• Open the app (iOS or Android) on the mobile device to be
used and search for the multimeter and establish a
connection. Once connected, the app will mirror the display
of the meter and show any measurement being performed.
• Press
again to disconnect the meter from the mobile
device.

5. Maintenance

5.1 General Maintenance

This section provides basic information on maintaining the meter,
such as replacing fuses and the battery. Only experienced and
authorized personnel should make repairs to the meter.
WARNING
To avoid injury or damage to the meter,do not allow moisture
inside the case and remove test leads before opening battery
cover.
• Use a damp cloth to regularly clean the outside of the meter. Do
not use abrasives or chemical solvents. Dirty or damp input jack
can adversely affect readings.
• To clean input jacks, follow the following steps:
1.Turn off the instrument and remove the test leads.
2.Clear any dirt or other particles on the input jacks.
3.Use a cotton ball/swab with a lubricant (i.e. WD-40) to clean
off the contacts of the input jacks.
4.Use a separate cotton ball/swab for each jack to prevent
cross-contamination.
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5.2 Replacing the Battery

WARNING
To avoid false readings and potential dangerous situations,
replace the battery immidately when the "
appears. Turn off the meter and disconnect the test leads
before opening the battery cover to prevent electrical shock
and personal injury.
Use the following steps to replace the battery:
1.Turn off the meter.
2.Remove test leads.
3.Unscrew and remove battery cover from back of meter.
4.Replace used battery with a new 9V battery.
5.Replace battery cover and fasten securely.

5.3 Replacing the Fuse

WARNING
Turn off the meter and disconnect test leads before opening
back cover to avoid electical shock and personal injury.
Use the following steps to replace the fuses:
1.Turn off the meter.
2.Remove test leads.
3.Remove outer holster.
4.Unscrew and remove back cover from the meter.
5.Replace blown fuse(s) with same amp/voltage ratings.
6.Replace back cover and fasten securely.
7.Replace outer holster.

5.4 Replacing the Probe

If
insulation
on
probe
is
damaged,
replace
it.
WARNING
Use meet EN
61010-031 standard, rated
CAT III 600V,
10A or better probe.
" symbol
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