Fluke 52 II, 51 II User Manual

51 & 52 Series II

Thermometer

Users Manual

®

English
September 1999

© 1999 Fluke Corporation, All rights reserved. Printed in USA
All product names are trademarks of their respective companies.

Limited Warranty & Limitation of Liability

This Fluke product will be free from defects in material and workmanship for 3 years from the date of purchase. This war­ranty does not cover fuses, disposable batteries or damage from accident, neglect, misuse or abnormal conditions of opera-

tion or handling. Resellers are not authorized to extend any other warranty on Fluke’s behalf. To obtain service during the
warranty period, send your defective tester to the nearest Fluke Authorized 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.

10/96

Fluke Corporation
P.O. Box 9090
Everett WA
98206-9090

Fluke Europe B.V.
P.O. Box 1186
5602 B.D. Eindhoven
The Netherlands

Table of Contents

Title Page

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

Contacting Fluke....................................................................................................... 1

Getting Started.............................................................................................................. 4

Components............................................................................................................. 5

Display Elements...................................................................................................... 6

Buttons ..................................................................................................................... 7

Using the Thermometer................................................................................................. 9

Changing Setup Options............................................................................................... 9

Entering or Exiting Setup.......................................................................................... 9

Setup Options........................................................................................................... 9

Changing a Setup Option......................................................................................... 10

Measuring Temperatures.............................................................................................. 11

Connecting a Thermocouple..................................................................................... 11

Displaying Temperatures.......................................................................................... 11

Holding the Displayed Readings............................................................................... 12

Viewing the MIN, MAX, and AVG Readings............................................................. 12

Using the Offset to Adjust for Probe Errors ................................................................... 12

i

51 & 52 Series II

Users Manual

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

Replacing the Batteries............................................................................................. 13

Cleaning the Case and Holster................................................................................. 13

Calibration................................................................................................................. 13

Specifications................................................................................................................. 13

Environmental........................................................................................................... 13

General..................................................................................................................... 14

80 PK-1 Thermocouple (supplied with thermometer)................................................ 14

Electrical.................................................................................................................... 14

Replacement Parts and Accessories............................................................................. 15

ii

51 & 52 Series II

Introduction

The Fluke Model 51 and Model 52 Thermometers (“the
thermometer”) are microprocessor-based, digital
thermometers designed to use external J-, K-, T-, and E­type thermocouples (temperature probes) as temperature
sensors.

Use the thermometer only as specified in this manual.
Otherwise, the protection provided by the meter may be
impaired.

Refer to safety information in Table 1 and meter symbols
in Table 2.

Contacting Fluke

To order accessories, receive assistance, or locate the
nearest Fluke distributor or Service Center, call:

1-888-993-5853 in USA & Canada
[phone] in Europe
[phone] in Japan
[phone] in Singapore
[phone] from other countries

Address correspondence to:

Fluke Corporation Fluke Europe B.V.
P.O. Box 9090 P.O. Box 1186
Everett, WA 98206-9090 5602 BD Eindhoven
USA The Netherlands

Visit us on the World Wide Web at: www.fluke.com

1

51 & 52 Series II

Users Manual

Table 1. Safety Information

WWarning

A Warning identifies conditions and actions that pose hazards to the user. To avoid electrical shock or
personal injury, follow these guidelines:

• Before using the thermometer inspect the case. Do not use the thermometer if it appears damaged. Look

for cracks or missing plastic. Pay particular attention to the insulation around the connectors.

• Disconnect the thermocouple(s) from the thermometer before opening the case.

• Replace the batteries as soon as the battery indicator (

lead to personal injury.

• Do not use the thermometer if it operates abnormally. Protection may be impaired. When in doubt, have the

thermometer serviced.

• Do not operate the thermometer around explosive gas, vapor, or dust.

• Do not apply more than the rated voltage, as marked on the thermometer, between the thermocouple(s), or

between any thermocouple and earth ground.

B) appears. The possibility of false readings can

2