Elenco Electronics M-1000D Operator's Instruction Manual

Elenco®Electronics, Inc.

150 Carpenter Avenue

Wheeling, IL 60090

[phone]

Website: www.elenco.com

e-mail: [e-mail]

OPERATOR’S

INSTRUCTION MANUAL

DIGITAL MULTIMETER

M-1000D

Copyright © 2008 Elenco®Electronics, Inc.

Contents

1. Safety Information 3

2. Introduction 4

3. Features 5

4. Specifications 5
4-1 General Specifications 5
4-2 Measurement Specifications 6, 7

5. Operation 8
5-1 Preparation and Caution before Measurement

8
5-2 Front Panel Description 8, 9
5-3 How to Make Measurements 10-13

6. Maintenance 14
6-1 Battery Replacement 14
6-2 Fuse Replacement 15

6-2. Fuse Replacement

This meter is provided with a 250mA/250V fuse to
protect 2000µA, 20mA, 200mA ranges.

NOTE: The 10A circuit is not fused.

1. Turn off the power.

2. Remove the two screws from the back of the case.

3. Remove the fuse from the holder and replace it with
a new fuse of the specified value.

Fuse Numbers

• 250mA/250V Bussman Fuse #GMA 250

• 250mA/250V Little Fuse #235-250

• 250mA/250V Elenco Fuse #533002

! WARNING !

PLEASE READ THIS INSTRUCTION
MANUAL CAREFULLY

Misuse and/or abuse of this instruction cannot be
prevented by any printed word and may cause
injury and/or equipment damage.
Please follow all these instructions and
measurement procedures faithfully, and adhere to
all standard industrial safety rules and practices.

-2-

-15-

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. Maintenance

6-1. Battery Replacement

Replace the battery when “BAT” appears on the display.

1. Remove the two screws on the case cover. Then,
detach it from the top case.

2. Unsnap the battery from the connector and replace
it with a new 9 volt battery.

3. Close the case cover and secure it with the
screws.

1. Safety Information

To ensure that the meter is used safely, follow all of
the safety and operation instructions in this manual. If
the meter is not used as described in the manual, the
safety features of the meter might be impaired.

• Do not use the meter if the meter or the test leads look
damaged, or if you suspect that the meter is not operating
properly.

• Turn off the power to the circuit under test before cutting,
unsoldering, or breaking the circuit. Small amounts of current
can be dangerous.

• Use caution when working above 60VDC or 30VAC rms.
Such voltages pose a shock hazard.

• When using the test lead, keep your fingers behind the
guards on the test lead.

• Disconnect the live test lead before disconnecting the
common test lead.

• To avoid damage to the meter, do not exceed the input limits
shown below.

• This digital multimeter is designed for indoor use only.

Refer to Section 4-2 on page 6 for complete specifications.

FUNCTION INPUT JACK INPUT LIMITS

VDC V/Ω & COM 1000VDC or 750Vrms AC

VAC

V/Ω & COM 600VDC or 750Vrms AC

Ω / / V/Ω & COM 250Vrms @ 15 sec.

µA, mA DC

10A DC

mA & COM

10A & COM

250mA DC

10A DC

-14-

-3-

WARNING

Before attempting battery & fuse removal or
replacement, disconnect the test leads from any
energized circuits to avoid hazard.

+

–

Fuse