Mastech MS8253 Series User manual

MS8253
Series
CAT I V
CAT III

If the equipment is used in a manner not specified
by the manufacturer, the protection provided by
the equipment may be impaired.
The multimeter meets the safety standards of
EN/UL/CSA 61010-1, 61010-2-030, 61010-2-033 for
electronic testing instruments. This meter meets
CAT III 1000V, CAT IV 600V installations and a pollution
degree of 2.

AC & DC (Both direct and Alternating Current)
Important safety information.
High voltage with danger.
Ground.
Double Insulation (Class II safety equipment).
Fuse must be replaced as per the specification herein.
AC (Alternating Current)
DC (Alternating Current)
Conforms to UL STD. 61010-1, 61010-2-030 and
61010-2-033; Certified to CSA STD. C22.2, NO. 61010-1,
61010-2-030 and 61010-2-033
CAT III
It is applicable to test and measuring circuits connected to
the distribution part of the building’s low-voltage MAINS
installation.
Accord with the related EU laws and regulations
CAT IV It is applicable to test and measuring circuits connected at
the source of the building’s low-voltage MAINS installation.

(Only for MS8253D)

(Only for MS8253D)

1.0-99.9%

(Only for MS8253D)

To avoid electrical shock or personal injury, before
opening the battery cover to replace battery, you should
turn the meter off and make sure that the test probe is
disconnected from the measurement circuit.
WARNING
To avoid wrong readings, electric shock or personal
injury, when “ ”appears on the meter display, replace
the battery immediately.
Use only a fuse with specified amperage, fusing rated
value, voltage rated value and fusing speed
(F1:FF 600mA H 1000V, F2:FF 10A H 1000V)
Please follow below steps to replace battery or fuse:
5.1.1. Turn off the power supply of the meter.
5.1.2. Pull out all test probes from the input socket.
5.1.3. Loosen two screws on the fixed battery cover with
screwdriver.
5.1.4. Remove the battery cover.
5.1.5. Remove the old battery or damaged fuse.
5.1 Replacing the Battery and Fuse
5.1.6. Replace with a new battery with 9V (NEDA 1604,
6F22 or 006P ) or a new fuse.
5.1.7. Replace the battery cover and tighten the screws.
Note:
Pay attention to the polarity of the battery to avoid damage
to the meter
5.2 Replacing Test Probe
WARNING
If the test leads need to be replaced, you must use
a new one which should meet EN 61010-031
standard, rated CAT III 1000V / CAT IV 600V, 10A or
better.
If insulation on leads is damaged, replace it.

00-05-4366
(OnlyforMS8253D)
(OnlyforMS8253D)