Greenlee 5880 Manuale utente

5878 • 5880 • 5882

MEGOHMMETERS

MEGÓHMETROS

MEGOHMMETRES

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 estas

herramientas o darles 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 5878, 5880 and 5882 Megohmmeters are intended to test insulation, detect

voltage and verify continuity. In addition, the 5882 can measure resistance.

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

This instruction manual is intended to familiarize all personnel with the safe operation and

maintenance procedures for the Greenlee 5878, 5880 and 5882 Megohmmeters.

Keep this manual available to all personnel.

Replacement manuals are available upon request at no charge.

and are registered trademarks of Greenlee Textron.

KEEP THIS MANUAL

5878 • 5880 • 5882

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 can result in an accident causing serious injury or death.

Important Safety Information

Electric shock hazard:

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

• Use test leads or accessories that are appropriate for the application. See the

category and voltage rating of the test lead or accessory.

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

insulation must be in good condition.

Failure to observe these warnings can 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.

• Do not contact the test lead tips while performing the insulation resistance test.

• Do not contact the test lead tips while the continuity function (20 Ω) is selected.

Failure to observe these warnings can result in severe injury or death.

Electric shock hazard:

Contact with live circuits can result in severe injury or death.

5878 • 5880 • 5882

Important Safety Information

Do not change the measurement function while the test leads are connected to a

component or circuit.

Failure to observe this precaution can result in injury and can damage the unit.

• 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.

See Specifications.

Failure to observe these precautions can result in injury and can damage the unit.

• 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 can result in severe injury or death.

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

necessary, see 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 can result in severe injury or death.

Important Safety Information

Shut off and lock out power. Make sure that all capacitors are discharged. Voltage must

not be present.

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.

Using this unit near equipment that generates electromagnetic interference can result

in unstable or inaccurate readings.

5878 • 5880 • 5882

Identification

All Models

1. Positive (+) Input Terminal

2. Negative (–) Input Terminal

3. Display

4. Insulation Resistance Test Button

5. Selector

Models 5880 and 5882 Only

6. Alarm Button

7. Select a Parameter or Value

8. Change the Value

9. Backlight

Model 5882 Only

10. TIMER

1 2

Display Icons

11. –Polarity indicator

12. Insulation resistance test in progress

13. Insulation resistance is less than 70 kΩ

14. Bar graph element

15. Insulation resistance is greater than 1.1 GΩ

16. Timer is active

17. ALARM Alarm is on, or programming is in progress

18. < Alarm will trigger if measured value is less than the setpoint

19. > Alarm will trigger if measured value is greater than the setpoint

20. 00:00 Timekeeper display or

0000 Setpoints

21. G 109

22. M 106

23. k 103

24. ΩOhms

25. OL Overload (insulation resistance is greater than 2 GΩ)

26. V Volts

27. AC Alternating Current

28. DC Direct Current

29. Battery status

30. Auto power off is inactive

31. Speaker is active

32. Ω/Lead resistance is compensated

33. > 25 Circuit voltage is greater than 25 volts; insulation resistance test

(yellow button) is disabled

34. Read the instruction manual

5878 • 5880 • 5882

Other Symbols

BAT Insufficient battery power

Ω/(flashing) Lead resistance is compensated incorrectly

FUS Replace the fuse

––– Insulation resistance is less than:

•50 kΩon the 250 V range

•100 kΩon the 500 V range

•200 kΩon the 1000 V range

Symbols on the Unit

Read the instruction manual.

Fuse

Double Insulation

Battery

Display Icons (cont’d)

14 20

21–24

26–28

25 30313233

Using the Features

Insulation Resistance Measurement Test Button (Yellow Button)

Press to apply the test voltage to the item to be tested. Release to terminate the test.

•While the yellow insulation resistance test button is pressed, the will appear on the

display.

•See the Indicator Table for results of the insulation test.

Alarm (Models 5880 and 5882 only)

Press ALARM to turn the alarm on and review the setpoints. Press again to turn the alarm off.

Note: When the alarm function is active, a continuous tone and flashing ALARM on the display

indicate that the measured value matches the alarm setpoint.

Alarm Setpoints (Models 5880 and 5882 only)

1. Press and hold ALARM to review the setpoints.

2. Press and to change the setpoints. Press and hold ALARM to save the settings.

•Default settings are:

> 0.25 MΩ(MΩ–250 V position)

> 0.50 MΩ(MΩ–500 V position)

> 1.00 MΩ(MΩ–1000 V position)

< 20.00 kΩ(400 kΩposition)

< 2.00 Ω(20 Ωposition)

•Minimum/Maximum settings are:

< or > 0.05 MΩ/ 2000 MΩ(MΩ–250 V position)

< or > 0.10 MΩ/ 2000 MΩ(MΩ–500 V position)

< or > 0.2 MΩ/ 2000 MΩ(MΩ–1000 V position)

< or > 0 Ω/ 399.9 kΩ(400 kΩposition)

< or > 0 Ω/19.99 Ω(20 Ωposition)

Note: The megohmmeter will correct any setting that is entered improperly.

Timed Insulation Resistance Test (Model 5882 only)

1. Press TIMER. The icon and a timekeeper (0:00) will appear on the display.

2. Press and release the yellow test button to start the timer and initiate the test voltage.

The will appear on the display and the timekeeper will show the elapsed time.

3. Make a note of the reading on the display when the speaker sounds

(after 30 seconds, 1 minute and 10 minutes).

4. Press the yellow test button to terminate the test.

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