INSTRUCTION MANUAL
INSTRUCTION MANUAL
MANUAL DE INSTRUCCIONES
MANUEL D’INSTRUCTIONS
+
10G
S
–
1G
5
2
500
200
100M
50
20
0G
50
10
0
20
20
10M
5
m
2
50
0G
200V
30
0
V
400V
1M
50
0K
0V
10
O
V
V
50
0V
!
0
60
0V
M - 5000V
M - 2500V
M - 1000V
LOW BAT
hold
M
V
M - 500V
Start
5990
Megohmmeter
Megóhmetro
Megohmmetre
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.
99938014
© 2006 Greenlee Textron Inc.
IM 1476 REV 1
1/06
Description
The Greenlee 5990 Megommeter is intended to test insulation and detect voltage. The unit features
an easy-to-read and accurate analog scale.
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 Greenlee 5990 Megommeter.
Keep this manual available to all personnel.
Replacement manuals are available upon request at no charge.
Do not discard this product or throw away!
For recycling information, go to www.greenlee.com.
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
2
5990
Important Safety Information
SAFETY ALERT SYMBOL
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.
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.
3
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.
• 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 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 or any uninsulated portion of the accessory.
• Do not contact the test lead tips while performing the insulation resistance test.
Failure to observe these warnings could result in severe injury or death.
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.
4
5990
Important Safety Information
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.
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. See Specifications.
Failure to observe these precautions may result in injury and can damage the unit.
5
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