Fluke 305 User manual

PN 4045148

June 2012, Rev.1, 12/13

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

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

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

305

Users Manual

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

•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.

305

Users Manual

•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

•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.

305

Users Manual

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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