Greenlee PDMM-20 Bedienungsanleitung

PDMM-20

Multimeter

Multímetro

Contrôleur

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.

Auto

•

Ω

SELECT

MAX

450V CAT II

300V CAT III

Description

The Greenlee PDMM-20 Multimeter is a hand-held testing

device with the following measurement capabilities:

•Automatic selection of AC voltage, DC voltage, and

resistance

•Manual selection of AC voltage, DC voltage, resistance,

continuity, capacitance, and frequency

It also has non-contact and single-probe voltage detection

capability.

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 PDMM-20.

Keep this manual available to all personnel. Replacement

manuals are available upon request at no charge.

KEEP THIS MANUAL

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.

PDMM-20

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.

Important Safety Information

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.

Electric shock hazard:

Contact with live circuits 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 or any uninsulated

portion of the accessory.

Failure to observe these warnings could result in severe

injury or death.

PDMM-20

Important Safety Information

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 or accessory 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 operate with the case or battery cover open.

•Before opening the case or battery cover, remove the

test leads from the circuit and shut off the unit.

Failure to observe these warnings could result in severe

injury or death.

Important Safety Information

NOTE: The test leads of this unit are not removable. Do not

attempt to remove them.

Electric shock hazard:

•Do not change the measurement function while the test

leads are connected to a component or circuit.

•Do not use the meter to measure voltages in circuits

that could be damaged by the Auto V•Ωmode’s low

input impedance (approximately 160 kΩ).

•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:

•Unless measuring voltage, 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.

PDMM-20

Identification

1. LCD display

2. Selector button

3. Negative, common (COM), or

ground input terminal for all

measurements

4. Positive (+) input terminal for

all measurements

5. EF antenna

Auto

•

Ω

SELECT

MAX

450V CAT II

300V CAT III

Display Icons

6. Automatic ranging is enabled

7. Low battery indicator

8. µmicro (10-6)

9. F Farad

10. n nano (10-9)

11.

O.L

Overload indicator

12. m milli (10-3)

13. V Volts

14. M Mega (106)

15. k kilo (103)

16. ΩOhms

17. Hz Hertz

18. AC measurement is selected

19. Low input impedance is active

20. –Polarity indicator

Symbols on the Unit

Warning—Read the instruction manual

Double insulation

Note: Unidentified

icons are not used on

this model.

8–10

12–17

6 7

1819

Using the Features

•Low Impedance Auto V•ΩMode In this mode, the meter

automatically selects the proper measurement based on the

input.

–If there is no input, “Auto” appears on the display.

–If voltage above approximately 2 volts AC or DC is

present, voltage is displayed. The meter beeps once

when switching from Auto to voltage measurement.

–If both AC and DC voltages are present, the larger

voltage is displayed.

– If no voltage is present and there is resistance less than

6 MΩ, resistance is displayed.

This mode features low input impedance to mask stray or

“ghost” voltage pickup. The input impedance is approxi-

mately 160 kΩ.

Overload Alert Feature: When above rated voltage is

present (450 V), the meter displays “OL”, with a warning

beep tone. Disconnect the test leads from the voltage source

immediately.

Function Lock Feature: When a measurement is being

displayed in Auto V•Ωmode, pressing the button one time

will lock in that function. Pressing the button again will

return the multimeter to Auto V•Ωmode. It is sometimes

useful to “lock in” a function. This may be helpful for

measuring low voltages.

•Intelligent Automatic Power Off (APO) To extend battery

life, the meter shuts itself off after approximately 3 minutes

of inactivity. Inactivity occurs when the selector button is not

pressed. The meter will not enter APO when there are

significant readings over 10% of the range or non-OL

readings for resistance and continuity.

PDMM-20

Operation

Electric shock hazard:

•Do not change the measurement function while the test

leads are connected to a component or circuit.

•Do not use the meter to measure voltages in circuits

that could be damaged by the Auto V•Ωmode’s low

input impedance (approximately 160 kΩ).

Failure to observe these precautions may result in injury

and can damage the unit.

Electric shock hazard:

Contact with live circuits could result

in severe injury or death.

Operation (cont’d)

1. Press and hold the selector button for 1 second to turn the

meter on. The default mode is Auto V•Ω.

2. The Settings Table shows the meter’s functions. To change

to the next function, momentarily press the selector

button. 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, reset the microprocessor by pressing

and holding the selector button for 6 seconds.

•If the unit still does not function as expected, replace the

battery.

•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.

Inhaltsverzeichnis

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