INSTRUCTION MANUAL
INSTRUCTION MANUAL
MANUAL DE INSTRUCCIONES
MANUEL D’INSTRUCTIONS
CMT-80
Clamp-on Meter
Medidor
con pinza
Compteur
a pinces
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.
999 4752.8 REV 1
© 2003 Greenlee Textron
3/03
Description
The Greenlee CMT-80 Digital Clamp-on Meter is a hand-held testing device
with the following measurement capabilities: AC and DC voltage, AC current,
and resistance. It also verifies continuity.
This unit has data hold capability. It automatically determines measurement
function based on input.
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 CMT-80 Digital
Clamp-on Meter.
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 shall not be liable for damages resulting from misapplication or misuse of
its products.
KEEP THIS MANUAL
2
CMT-80
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 can
result in an accident causing serious injury or
death.
3
Important Safety Information
Electric shock hazard:
Contact with live circuits can 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 applica-
tion. Refer to 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.
• 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 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.
Failure to observe these warnings can result in severe injury or death.
4
CMT-80
Important Safety Information
• Do not operate with the case or battery cover open.
• Before removing the case or battery cover, remove the test leads
(or jaw) from the circuit and shut off the unit.
Failure to observe these warnings can result in severe injury or death.
• 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.”
• Do not connect to voltage for longer than 30 seconds.
Failure to observe these precautions can result in injury and can
damage the unit.
Do not use the meter to measure voltages in circuits that could be
damaged by the meter’s low input impedance (approximately 4 kΩ).
• 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.
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