Fluke 305 Manuale utente
PN 4045148
June 2012
© 2012 Fluke Corporation. All rights reserved. Printed in China.
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
The Clamp Meter........................................................................................................ 8
Electrical Specifications.......................................................................................... 16
Mechanical Specifications ...................................................................................... 17
Environmental Specifications ................................................................................. 17
305
Users Manual
ii
1
Introduction
The Fluke 305 Clamp Meter (the Product) measures ac and dc voltage, ac current,
resistance, and continuity.
XWWarning
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
•Japan: +81-3-6714-3114
•Singapore: +65-6799-5566
•Anywhere in the world: +1-425-446-5500
305
Users Manual
2
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 Product damage, equipment under test
damage, or permanent loss of data.
Table 1 shows the symbols used on the Product and in this manual.
XWWarning
To prevent personal injury, use the Product only as specified, or the
protection supplied by the Product can be compromised.
To prevent possible electrical shock, fire, or personal injury:
•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
•Carefully read all instructions.
•Hold the Product behind the tactile barrier. See The Clamp Meter,
item .
•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.
305
Users Manual
4
•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.
•Measure a known voltage first to make sure that the Product
operates correctly.
•Use only current 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 and disable 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.
305
Users Manual
6
Table 1. Symbols
Symbol Meaning Symbol Meaning
AC (Alternating Current) JEarth ground
DC (Direct Current) ~
Do not dispose of this product as
unsorted municipal waste. Go to
Fluke’s website for recycling
information.
Note
This product complies with the
Regulation for the Administration
of the Recovery and Disposal of
Waste Electrical and Electronic
Products (China).
XHazardous voltage. Risk of
electric shock. PConforms to European Union
directives.
WRisk of Danger. Important
information. See Manual. TDouble insulated
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