Fluke 305 Manuale utente
PN 4045148
June 2012, Rev.1, 12/13
© 2012, 2013 Fluke Corporation. All rights reserved. Specifications are subject to change without notice.
All product names are trademarks of their respective companies.
305
Clamp Meter
Users Manual
LIMITED WARRANTY AND LIMITATION OF LIABILITY
This Fluke product will be free from defects in material and workmanship for two
years from the date of purchase. This warranty does not cover fuses, disposable
batteries, or damage from accident, neglect, misuse, alteration, contamination, or
abnormal conditions of operation or handling. Resellers are not authorized to
extend any other warranty on Fluke’s behalf. To obtain service during the warranty
period, contact your nearest Fluke authorized service center to obtain return
authorization information, then send the product to that Service Center with a
description of the problem.
THIS WARRANTY IS YOUR ONLY REMEDY. NO OTHER WARRANTIES, SUCH
AS FITNESS FOR A PARTICULAR PURPOSE, ARE EXPRESSED OR IMPLIED.
FLUKE IS NOT LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR
CONSEQUENTIAL DAMAGES OR LOSSES, ARISING FROM ANY CAUSE OR
THEORY. Since some states or countries do not allow the exclusion or limitation of
an implied warranty or of incidental or consequential damages, this limitation of
liability may not apply to you.
Fluke Corporation
P.O. Box 9090
Everett, WA 98206-9090
U.S.A.
Fluke Europe B.V.
P.O. Box 1186
5602 BD Eindhoven
The Netherlands
11/99
i
Table of Contents
Title Page
Introduction.................................................................................................................1
How to Contact Fluke .................................................................................................1
Safety Information ......................................................................................................2
How to Clean the Product .......................................................................................... 8
Specifications .............................................................................................................9
Electrical Specifications..........................................................................................9
Mechanical Specifications .................................................................................... 10
Environmental Specifications ............................................................................... 10
The Clamp Meter...................................................................................................... 12
305
Users Manual
ii
1
Introduction
The Fluke 305 Clamp Meter (the Product) measures ac and dc voltage, ac current,
resistance, and continuity.
Warning
Read "Safety Information" before you use the Product.
How to Contact Fluke
To contact Fluke, call one of the following telephone numbers:
•Technical Support USA: 1-800-44-FLUKE (1-800-443-5853)
•Calibration/Repair USA: 1-888-99-FLUKE (1-888-993-5853)
•Canada: 1-800-36-FLUKE (1-800-363-5853)
•Europe: +31 402-675-200
•Mainland China: +86-400-810-3435
•Japan: +81-3-6714-3114
•Singapore: +65-6799-5566
•Anywhere in the world: +1-425-446-5500
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Users Manual
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Or, visit Fluke's website at www.fluke.com.
To register your product, visit http://register.fluke.com.
To see, print, or download the latest manual supplement, visit
http://us.fluke.com/usen/support/manuals.
Safety Information
A Warning identifies conditions and procedures that are dangerous to the user. A Caution
identifies conditions and procedures that could cause damage to the Product or the
equipment under test.
International electrical symbols used on the Product and in this manual are explained in Table 1.
Warning
To prevent possible electrical shock, fire, or personal injury:
•Carefully read all instructions.
•Use the Product only as specified, or the protection supplied by the
Product can be compromised.
•Use only correct measurement category (CAT), voltage, and amperage
rated probes, test leads, and adapters for the measurement.
•Do not touch voltages > 30 V ac rms, 42 V ac peak, or 60 V dc.
Clamp Meter
Safety Information
3
•Hold the Product behind the tactile barrier. See The Clamp Meter item ①.
•Do not use test leads if they are damaged. Examine the test leads for
damaged insulation or exposed metal. Check test lead continuity.
•Do not measure current while the test leads are in the input jacks.
•Do not use the Product around explosive gas, vapor, or in damp or wet
environments.
•Limit operation to the specified measurement category, voltage, or
amperage ratings.
•Do not work alone.
•Do not apply more than the rated voltage, between the terminals or
between each terminal and earth ground.
•Comply with local and national safety codes. Use personal protective
equipment (approved rubber gloves, face protection, and flame-resistant
clothes) to prevent shock and arc blast injury where hazardous live
conductors are exposed.
•Replace the batteries when the low battery indicator shows to prevent
incorrect measurements.
•The battery door must be closed and locked before you operate the
Product.
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Users Manual
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•Measure a known voltage first to make sure that the Product operates
correctly.
•Use only probes, test leads, and adapters supplied with the Product.
•Remove all probes, test leads, and accessories that are not necessary
for the measurement.
•Keep fingers behind the finger guards on the probes.
•Connect the common test lead before the live test lead and remove the
live test lead before the common test lead.
Clamp Meter
Safety Information
5
•Do not use the Product if it is damaged.
•Do not use the Product if it operates incorrectly.
•Before each use, examine the Product. Look for cracks or missing
pieces of the clamp housing. Also look for loose or weakened
components. Carefully examine the insulation around the Jaws.
•Examine the case before you use the Product. Look for cracks or
missing plastic. Carefully look at the insulation around the terminals.
•Read all safety Information before you use the Product.
•Remove batteries to prevent battery leakage and damage to the Product
if it is not used for an extended period.
•Remove batteries to prevent battery leakage and damage to the Product
if is to be stored above its operating temperature.
•Do not use a current measurement as an indication that a circuit is safe
to touch. A voltage measurement is necessary to know if a circuit is
hazardous.
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Users Manual
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Table 1. Symbols
Symbol Meaning Symbol Meaning
AC (Alternating Current) Earth ground
DC (Direct Current) Conforms to relevant South Korean
EMC Standards.
Hazardous voltage. Risk of
electric shock. Conforms to European Union directives.
Risk of Danger. Important
information. See Manual. Double insulated
Battery Application around and removal from
HAZARDOUS LIVE conductors is
permitted.
This product complies with the WEEE Directive (2002/96/EC) marking
requirements. The affixed label indicates that you must not discard this
electrical/electronic product in domestic household waste. Product Category: With
reference to the equipment types in the WEEE Directive Annex I, this product is
classed as category 9 "Monitoring and Control Instrumentation" product. Do not
dispose of this product as unsorted municipal waste. Go to Fluke’s website for
recycling information.
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