Greenlee DM-40 Manual de usuario

DM-40

Digital

Multimeter

Multímetro

digital

Contrôleur

numérique

INSTRUCTION MANUAL

MANUAL DE INSTRUCCIONES

MANUEL D’INSTRUCTIONS

Read and understand all of the instructions

and safety information in this manual before

operating or servicing this tool.

Lea y entienda todas las instrucciones y la

información sobre seguridad que aparecen

en este manual, antes de manejar esta

herramienta o darle mantenimiento.

Lire attentivement et bien comprendre

toutes les instructions et les informations sur

la sécurité de ce manuel avant d‘utiliser ou de

procéder à l‘entretien de cet outil.

Description

The Greenlee DM-40 Digital Multimeter is a hand-held testing device

with a backlit display and the following measurement capabilities:

AC and DC voltage, DC current, temperature (K-type thermocouples

only), and resistance. It also checks diodes, verifies continuity, and

tests 1.5 V and 9 V batteries.

Safety

Safety is essential in the use and maintenance of Greenlee tools and

equipment. This instruction manual and any markings on the tool

provide information for avoiding hazards and unsafe practices related

to the use of this tool. Observe all of the safety information provided.

Purpose of This Manual

This instruction manual is intended to familiarize all personnel with the

safe operation and maintenance procedures for the Greenlee DM-40

Digital Multimeter.

Keep this manual available to all personnel. Replacement manuals are

available upon request at no charge.

All specifications are nominal and may change as design improvements

occur. Greenlee Textron Inc. shall not be liable for damages resulting from

misapplication or misuse of its products.

® Registered: The color green for electrical test instruments is a registered

trademark of Greenlee Textron Inc.

KEEP THIS MANUAL

DM-40

Important Safety Information

This symbol is used to call your attention to hazards or unsafe

practices which could result in an injury or property damage. The

signal word, defined below, indicates the severity of the hazard.

The message after the signal word provides information for

preventing or avoiding the hazard.

SAFETY ALERT SYMBOL

Immediate hazards which, if not avoided, WILL result in severe

injury or death.

Hazards which, if not avoided, COULD result in severe injury or

death.

Hazards or unsafe practices which, if not avoided, MAY result in

injury or property damage.

Read and understand this material before

operating or servicing this equipment. Failure

to understand how to safely operate this tool

could result in an accident causing serious

injury or death.

Important Safety Information

Electric shock hazard:

Contact with live circuits could result in severe

injury or death.

Electric shock and fire hazard:

•Do not expose this unit to rain or moisture.

•Do not use the unit if it is wet or damaged.

•Inspect the test leads before use. They must be clean and dry,

and the insulation must be in good condition.

•Use this unit for the manufacturer’s intended purpose only, as

described in this manual. Any other use can impair the

protection provided by the unit.

Failure to observe these warnings could result in severe injury or

death.

Electric shock hazard:

•Do not apply more than the rated voltage between any two input

terminals, or between any input terminal and earth ground.

•Do not contact the test lead tips.

Failure to observe these warnings could result in severe injury or

death.

DM-40

Important Safety Information

Electric shock hazard:

•Do not operate with the case open.

• Before opening the case, remove the test leads from the circuit

and shut off the unit.

Failure to observe these warnings could result in severe injury or

death.

Electric shock hazard:

The fuse is an integral part of the overvoltage protection. When

fuse replacement is necessary, refer to “Specifications” for the

correct type, size and capacity. Using any other type of fuse will

void the overvoltage protection rating of the unit.

Failure to observe this warning could result in severe injury or

death.

Electric shock hazard:

•Unless measuring voltage or current, shut off and lock out

power. Make sure that all capacitors are discharged. Voltage

must not be present.

•Using this unit near equipment that generates electromagnetic

interference can result in unstable or inaccurate readings.

Failure to observe these warnings could result in severe injury or

death.

Important Safety Information

Set the selector and connect the test leads so that they correspond

to the intended measurement. Incorrect settings or connections

can result in a blown fuse.

Electric shock hazard:

•Do not attempt to repair this unit. It contains no user-serviceable

parts.

•Do not expose the unit to extremes in temperature or high

humidity. Refer to “Specifications.”

Failure to observe these precautions may result in injury and can

damage the unit.

Electric shock hazard:

Do not change the measurement function while the test leads are

connected to a component or circuit.

Failure to observe this precaution may result in injury and can

damage the unit.

DM-40

Identification

1. LCD display

2. HOLD button

3. LCD backlight enable

button

4. Selector

5. Positive input terminal

for all measurements

6. Negative, common

(COM), or ground

input terminal for all

measurements

Display Icons

7. 600 V AC or DC

range selected

8. HOLD function

enabled

9. –Polarity

indicator

10. Low battery

indicator

Symbols on the Unit

Warning—Read the instruction manual

Double insulation

Battery

Using the Features

•HOLD Button Press momentarily to hold the present value on the

display. will appear on the display.

Press again to return to normal mode.

•Button Press to illuminate the LCD. Press again to turn the

backlight off.

Operation

Electric shock hazard:

Contact with live circuits could result in severe

injury or death.

1. Refer to the Settings Table. Set the selector to the proper setting.

Start with the highest measurement range.

2. Refer to “Typical Measurements” for specific measurement

instructions.

3. Test the unit on a known functioning circuit or component.

•If the unit does not function as expected on a known functioning

circuit, replace the battery and/or fuse.

• If the unit still does not function as expected, send the unit to

Greenlee for repair. Refer to the instructions under the Warranty.

4. Take the reading from the circuit or component to be tested. If the

resolution is not satisfactory, remove the meter from the circuit

and change to the next lower range.

Settings Table

To measure this value: Set the selector to this symbol:

Continuity*

Current (DC)**

Diode

Resistance Ω

Voltage (AC)

Voltage (DC)

Battery 9V or 1.5V

Temperature °Cor °F

*Tone sounds if the measured resistance is less than approximately

25 Ω.

** Connect the unit in series with the test object and then switch the

test object on.

DM-40

Current Measurement

Voltage Measurement

Typical Measurements

Resistance

Measurement

Continuity

Check

Tabla de contenidos

Idiomas:

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