Fluke 369 User manual

PN 4635451

November 2015

Specifications are subject to change without notice.

All product names are trademarks of their respective companies.

368/369

AC Leakage Current Clamp

LIMITED WARRANTY AND LIMITATION OF LIABILITY

This Fluke product will be free from defects in material and workmanship for one

year 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 ................................................................................................. 2

Safety Information ...................................................................................................... 3

Product Overview ....................................................................................................... 8

The Display................................................................................................................. 11

Clean the Product....................................................................................................... 13

Maintenance............................................................................................................... 13

Replacement Parts..................................................................................................... 14

Specifications ............................................................................................................. 15

General................................................................................................................... 15

Electrical Specifications.......................................................................................... 16

AC Current Measurement ...................................................................................... 17

Environmental Specifications ................................................................................. 18

Safety Specifications .............................................................................................. 19

Product Functions ...................................................................................................... 20

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Users Manual

Introduction

The 368/369 AC Leakage Current Clamp (the Product) is a handheld tool for measurement of

ac leakage current.

Principle of Leakage Current Measurement

Based on the electromagnetic induction principle, the Product has a ring-shape current

transformer comprised of a metal core and coil winding. The current transformer senses the

magnetic field produced by the current or by the vector sum of the currents flowing in the

conductor under test. The current transformer then produces a current proportional to the

current flowing in the conductor.

See the Product Functions section near the end of this manual.

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Users Manual

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

Or, visit Fluke's website at www.fluke.com.

To register your product, visit http://register.fluke.com.

To view, print, or download the latest manual supplement, visit

http://us.fluke.com/usen/support/manuals.

AC Leakage Current Clamp

Safety Information

A Warning identifies hazardous conditions and procedures that are dangerous to the user. A

Caution identifies conditions and procedures that can cause damage to the Product or the

equipment under test.

XW Warning

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

•Carefully read all instructions.

•Read all safety Information before you use the Product.

•Use the Product only as specified, or the protection supplied by the

Product can be compromised.

•Do not use the Product around explosive gas, vapor, or in damp or wet

environments.

•Before each use, examine the Product. Look for cracks or missing

pieces of the Product housing or output cable insulation. Also look for

loose or weakened components. Carefully examine the insulation around

the jaws. See the Product Overview section, item .

•Do not use the Product if it is damaged.

•Disable the Product if it is damaged.

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Users Manual

•Do not use the Product if it operates incorrectly.

•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.

•Do not touch voltages >30 V ac rms, 42 V ac peak, or 60 V dc.

•Limit operation to the specified measurement category, voltage, or

amperage ratings.

•Hold the Product behind the tactile barrier. See the Product Overview

section, item .

•The battery door must be closed and locked before you operate the

Product.

•Replace the batteries when the low battery indicator shows to prevent

incorrect measurements.

•Remove the batteries if the Product is not used for an extended period of

time, or if stored in temperatures above 50 °C. If the batteries are not

removed, battery leakage can damage the Product.

•Do not operate the Product with covers removed or the case open.

Hazardous voltage exposure is possible.

•Repair the Product before use if the battery leaks.

AC Leakage Current Clamp

Safety Information

•Use only specified replacement parts.

•Have an approved technician repair the Product.

For safe operation of the Product, do not operate within external low

frequency magnetic fields >100 A/m.

WCaution

To avoid damage to the Product:

•Do not subject the jaw to unreasonably strong shock, vibration, or force.

•If dust gets into the top of the jaws, remove it immediately. Do not close

the jaws when dust is trapped in its joints as the sensor may be

damaged.

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Users Manual

Table 1 is a list of symbols used on the Product or in this manual.

Table 1. Symbols

WWARNING. RISK OF DANGER.

XWARNING. HAZARDOUS VOLTAGE. Risk of electric shock.

Consult user documentation.

TDouble Insulated

,Application around and removal from uninsulated hazardous live conductors

is permitted.

ÑDo not operate within external low frequency magnetic fields >100A/m.



Measurement Category III is applicable to test and measuring circuits

connected to the distribution part of the building’s low-voltage MAINS

installation.

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