Fluke 333 User Manual

®
PN 1618765 June 2001
© 2001 Fluke Corporation. All rights reserved. Printed in U.S.A.
1
33X
ClampMeters
Calibration Information
Introduction
WWarning
To avoid electric shock or injury, do not perform the performance tests or
calibration procedures unless you are qualified to do so.
The information provided in this manual is for the use of qualified personnel
only.
The 33X Calibration Information provides the information necessary to verify the performance and adjust
the calibration of the Fluke 333, 334, 335, 336, and 337 ClampMeters, hereafter known as the Meter(s).
The following information is included in this document:
• Safety Information and International Electrical Symbols
• Specifications
• Replacing the Batteries
• Cleaning
• Performance Tests
• Calibration Adjustment
• User-Replaceable Parts and Accessories
• Warranty Statement
See the 33x Instruction Cards for complete operating instructions.
Contact Information
To contact Fluke, call:
1-888-99-FLUKE (1-888-993-5853) in USA
1-800-36-FLUKE (1-800-363-5853) in Canada
+31 402-678-200 in Europe
+81-3-3434-0181 Japan
+65-276-6196 Singapore
+1-425-446-5500 in other countries
For additional information about Fluke, its products, and services, visit Fluke’s web site at:
www.fluke.com
To register this product, go to www.fluke-warranty.com

Fluke 333 Specifications

General

Type	Clamp Meter
Continuity	≤ 30 Ω
Jaw Opening	30 mm
Safety Rating	CAT III 600 V
Battery Type	2 x AAA
AC Current Accuracy	±2% ±5 digits
AC Voltage Range	600 V
AC Voltage Accuracy	±1.5% ±5 digits
DC Voltage Range	600 V
DC Voltage Accuracy	±1% ±5 digits
Resistance Accuracy	±1% ±5 digits
Display	Digital
AC Current Range	0 - 400 A
Resistance Range	0 - 400 Ω

Summary

Introduction

Safety Warning

Safety warning about performing tests only if qualified.

Contact Information

Contact details for Fluke support and website.

Safety Information

Warnings and Precautions

Important safety practices to avoid electric shock and injury.

International Electrical Symbols

Explanation of symbols used in the document and on the meter.

Specifications

Accuracy

Technical accuracy specifications for various functions and ranges.

Storage Temperature

Specifies the acceptable temperature range for storing the meter.

Replacing the Batteries

Battery Replacement Warning

Warning about replacing batteries to avoid false readings and injury.

Cleaning Caution

Caution regarding cleaning agents to prevent damage to the meter.

Performance Tests

Required Equipment

Lists the equipment needed for performing performance tests.

Testing the Display

Procedure to test the meter's display segments for clarity and contrast.

Backlight and Keypad Tests

Keypad Test

Procedure to test each button on the meter's keypad.

Preparing for Performance Test

Steps to prepare the meter and calibrator before performance testing.

Performance Test Procedure

Amps/Hz Verification Setup

Diagram illustrating the setup for verifying Amps/Hz measurements.

Calibration Adjustment 333, 334, & 335

Calibration Adjustment 336 & 337

User-Replaceable Parts and Accessories

Limited Warranty and Liability