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Greenlee 5778 User Manual

Greenlee 5778
24 pages
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OPERATION, SERVICE AND
PARTS INSTRUCTION MANUAL
999 9605.7 IM 1065 REV 1 9/97
© 1997 Greenlee Textron
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.
MEGOHMMETER
MODEL 5778
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Greenlee 5778 Specifications

General IconGeneral
BrandGreenlee
Model5778
CategoryMeasuring Instruments
LanguageEnglish

Summary

Important Safety Instructions

Safety Alert Symbol and Hazard Levels

Explains the safety alert symbol and defines DANGER, WARNING, and CAUTION hazard levels.

Operator Qualification and Shock Hazards

Stresses reading instructions and warns about electric shock hazards from live circuits and hand crank.

Tester Condition and Environmental Precautions

Advises against using wet/damaged testers and details environmental operating limits for the device.

Product Description and Features

Product Description

Details the intended use of the 5778 Megohmmeter for nondestructive insulation tests.

Key Features

Lists the main features of the megohmmeter, including display, test ranges, and accessories.

Operation and Setup Procedures

Megohmmeter Test Procedure

Step-by-step guide for performing the megohmmeter test, including lead connection and crank operation.

Setup and Test Range Selection

Instructions for powering off, discharging capacitors, and selecting the correct test range.

Specific Test Methods and Calculations

Resistance to Ground Test

Procedure for connecting leads and performing a resistance to ground test on a device.

Resistance Between Wires Test

Procedure for connecting leads and performing a resistance between wires test.

Insulation Resistance Calculation

Formulas to determine insulation resistance based on different test ranges and readings.

Lifetime Limited Warranty

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