Fluke 323 User manual

May 2012 Rev.1, 06/15

All product names are trademarks of their respective companies.

323/324/325

Clamp Meter

Users Manual

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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.

11/99

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Table of Contents

Title Page

Introduction.................................................................................................................1

How to Contact Fluke.................................................................................................1

Safety Information ......................................................................................................2

How to Clean the Product ..........................................................................................9

Specifications .............................................................................................................10

Electrical Specifications..........................................................................................10

Mechanical Specifications......................................................................................12

Environmental Specifications.................................................................................12

The Meter...................................................................................................................14

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Introduction

The Fluke 323/324/325 Clamp Meter (the Product) measures ac and dc voltage, ac current,

resistance, and continuity. The 324 and 325 can also measure capacitance and contact

temperature. The 325 can also measure dc current and frequency. Note that the 325 is shown

in all of the illustrations. For temperature measurement, you must use the included K-Type

Thermocouple.

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

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Clamp Meter

Safety Information

Warning

To prevent possible electrical shock, fire, or personal injury:

•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.

•Carefully read all instructions.

•Hold the Product behind the tactile barrier. See Clamp Meter, item .

•Do not exceed the Measurement Category (CAT) rating of the lowest

rated individual component of a Product, probe, or accessory.

•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.

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323/324/325

Users Manual

•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.

•Measure a known voltage first to make sure that the Product operates

correctly.

•Remove all probes, test leads, and accessories that are not necessary

for the measurement.

•Only use probes, test leads, and accessories that have the same

measurement category and voltage rating as the Product.

•Keep fingers behind the finger guards on the probes.

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Clamp Meter

Safety Information

•Connect the common test lead before the live test lead and remove the

live test lead before the common test lead.

•Remove all probes, test leads, and accessories before the battery door

is opened.

•Do not use the Product if it is damaged.

•Disable the Product if it is damaged.

•Do not use the Product if it operates incorrectly.

•Do not use test leads if they are damaged. Examine the test leads for

damaged insulation, exposed metal. Check test lead continuity.

•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. See

Clamp Meter, item .

•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.

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323/324/325

Users Manual

•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.

Caution

To avoid possible damage to the Product or to equipment under test, use a

thermocouple rated for the temperatures to be measured. The Product is

rated for -10.0 °C to +400.0 °C and 14 °F to 752 °F. The included type-K

thermocouple is rated to 260 °C.

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Clamp Meter

Symbols

Table 1. Symbols

Symbol Meaning Symbol Meaning

AC (Alternating Current) Earth

DC (Direct Current) AC and DC Current

Conforms to European Union

directives. WARNING. RISK OF DANGER.

Battery Consult user documentation.

Double insulated WARNING. HAZARDOUS VOLTAGE.

Risk of electric shock.

Certified by CSA Group to

North American safety

standards. Conforms to relevant Australian

standards.

Certified by TÜV SÜD Product

Service. Application around and removal from

uninsulated hazardous live conductors

is permitted.

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323/324/325

Users Manual

Table 1. Symbols (cont.)

Symbol Meaning Symbol Meaning



Measurement Category II is

applicable to test and

measuring circuits connected

directly to utilization points

(socket outlets and similar

points) of the low-voltage

MAINS installation.



MEASUREMENT CATEGORY III is

applicable to test and measuring

circuits connected to the distribution

part of the building’s low-voltage

MAINS installation.



MEASUREMENT CATEGORY

IV is applicable to test and

measuring circuits connected

at the source of the building’s

low voltage MAINS installation.

Conforms to relevant South Korean

EMC Standards.



This product complies with the WEEE Directive 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.

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