Introduction - Elenco Electronics M-2785 Operator's Instruction Manual

Wide measuring digital multimeter with 15mhz max. frequency measurement
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Safety Symbols
This marking adjacent to another marking, terminal, or
operating device indicates that the operator must refer to
!
the explanation in the operating instructions to avoid
damage to the equipment and/or to avoid personal injury.
This WARNING sign denotes a hazard. It calls attention to
a procedure, practice or the like, which if not correctly
WARNING
performed or adhered to, could result in personal injury.
This CAUTION sign denotes a hazard. It calls attention to
a procedure, practice or the like, which, if not correctly
CAUTION
adhered to, could result in damage to or destruction of part
or all of the instrument.
This marking advises the user that the terminal(s) so
marked must not be connected to a circuit point at which
the voltage, with respect to earth ground, exceeds (in this
500V max.
case) 500 volts.
This symbol, adjacent to one or more terminals, identifies
them as being associated with ranges that may in normal
use be subjected to particularly hazardous voltages.
For maximum safety, the instrument and its test leads
should not be handled when these terminals are
energized.
This marking indicates that equipment is protected
completely be the double insulation.

2. Introduction

This meter is a 3 1/2 digit digital multimeter that is rugged, reliable
and convenient to use, while providing all of the accuracy and
features needed for any application. It performs DC/AC voltage,
DC/AC current, resistance, transistor, TTL/CMOS logic test,
capacitance, frequency, diode, continuity measurement, combined
with Data and Peak Hold, and Auto Power Off.
It is designed for the professional at work in the field or in the
laboratory, even hobby and home application.
-4-
6-1. Battery Replacement
Replace the battery when "
+
1. Remove the meter from the holster.
2. Remove the two screws on the battery cover. Then, detach it from
the bottom case.
3. Unsnap the battery from the connector, and replace it with a new 9
volt battery.
4. Wind the excess lead length around the battery clip, and install the
battery.
5. Close the battery cover and secure it with the screws.
6. Replace the meter into the holster.
CAUTION
Failure to turn off the DMM before installing the battery could
result in damage to the meter if the battery is connected to the
battery terminal incorrectly.
6-2. Fuse Replacement
This meter is provided with a 0.5A/250V and a 10A/250V fuses to
protect the current measuring circuits which measure up to 200mA
and 10A.
1. Turn off the power.
2. Remove the meter from the holster.
3. Remove the screws on the battery cover.
4. Detach the battery cover from the bottom case.
" appears on the display.
-13-

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