Fluke 714C User manual

January 2014
© 2014 Fluke Corporation. All rights reserved. Specifications are subject to change without notice.
All product names are trademarks of their respective companies.
714C
Thermocouple Calibrator
Users Manual

LIMITED WARRANTY AND LIMITATION OF LIABILITY
This Fluke product will be free from defects in material and workmanship for three 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

i
Table of Contents
Title Page
Introduction .................................................................................................................... 1
How to Contact Fluke..................................................................................................... 1
Safety Information .......................................................................................................... 3
Safe Working Practices.................................................................................................. 3
Standard Equipment....................................................................................................... 5
Input and Output Terminals............................................................................................ 7
Keys ............................................................................................................................... 9
Display ........................................................................................................................... 11
Auto Power-Off............................................................................................................... 13
Auto Backlight-Off .......................................................................................................... 13
Display Contrast Adjustment .......................................................................................... 13
Magnet Mounting and Hanging Strap............................................................................. 14
Measure mA Current and Activate Loop Power Supply ................................................. 15
Measure mA Current ................................................................................................. 15
Activate Loop Power Supply...................................................................................... 15
Measure Temperature.................................................................................................... 16
Use Thermocouples .................................................................................................. 16
Set Temperature Unit ................................................................................................ 16
Simulate Thermocouples................................................................................................ 20

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Users Manual
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Scale mA Channel to Temperature................................................................................ 22
Set 0 % and 100 % Output Parameters......................................................................... 22
Step and Ramp Modes .................................................................................................. 23
Select Step or Ramp Mode....................................................................................... 23
Set Step and Ramp Range ....................................................................................... 23
Auto Storage of Settings................................................................................................ 23
Replace the Batteries .................................................................................................... 24
Maintenance .................................................................................................................. 25
Clean the Product ..................................................................................................... 25
Service Center Calibration or Repair ........................................................................ 25
Replacement Parts ................................................................................................... 26
Specifications ................................................................................................................ 28
Thermocouple mV Input............................................................................................ 28
Thermocouple mV Output......................................................................................... 28
Thermocouple mA Input............................................................................................ 28
Thermocouple Input and Output ............................................................................... 29
Loop Power Supply................................................................................................... 31
General Specifications................................................................................................... 32

iii
List of Tables
Table Title Page
1. Summary of Source and Measure Functions ........................................................................ 2
2. International Symbols............................................................................................................ 4
3. Input/Output Terminals and Connectors................................................................................ 8
4. Key Functions........................................................................................................................ 10
5. Elements on the Display........................................................................................................ 12
6. Thermocouple Types Accepted............................................................................................. 17
7. Replacement Parts................................................................................................................ 26

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Users Manual
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v
List of Figures
Figure Title Page
1. Standard Equipment.............................................................................................................. 6
2. Input/Output Terminals and Connectors................................................................................ 7
3. Keys ...................................................................................................................................... 9
4. Elements of a Typical Display ............................................................................................... 11
5. Magnet Mounting with Hanging Strap ................................................................................... 14
6. Connections for Supplying Loop Power ................................................................................ 15
7. Measure Temperature with a Thermocouple......................................................................... 19
8. Connections for Simulating a Thermocouple......................................................................... 21
9. Replace the Batteries ............................................................................................................ 24
10. Replacement Parts................................................................................................................ 27

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1
Introduction
The Fluke 714C Thermocouple Calibrator (the Product) is
a handheld, battery-operated instrument that measures
and sources a variety of thermocouples. It also has an
isolated channel to measure 4-20 mA (with loop power
option). See Table 1.
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: [phone]
•Japan: [phone]
•Singapore: [phone]
•Mainland China: [phone]
•Anywhere in the world: [phone]
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.

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Users Manual
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Table 1. Summary of Source and Measure Functions
Function Measure Source
Thermocouple and mV Types E, J, K, T, B, R, S, L, U, N, C (W5Re/W26Re), BP, XK, G, D, P, M
and mV
Other functions Loop power supply, Step, Ramp

Thermocouple Calibrator
Safety Information
3
Safety Information
A Warning identifies 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.
International electrical symbols used on the Product and in
this manual are explained in Table 2.
Safe Working Practices
Review the safety information and comply with the safe
working practices.
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.
•Never apply more than 30 V between any
two terminals, or between any terminal
and earth ground.
•Do not connect any test leads to voltages
above 30 V when used with the product,
even if ratings above 30 V appear on the
test leads.
•Do not use and disable the Product if it is
damaged.
•The battery door must be closed and
locked before you operate the Product.
•Remove all probes, test leads, and
accessories before the battery door is
opened.
•Remove the input signals before you
clean the Product.
•Have an approved technician repair the
Product.
•Replace the batteries when the low
battery indicator shows to prevent
incorrect measurements.
For safe operation and maintenance of the
Product:
•Repair the Product before use if the
battery leaks.
•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.

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Table 2. International Electrical Symbols
Earth Ground Battery
Conforms to relevant Australian
Standards. Risk of danger. Important information. See Manual.
Inspected and licensed by TÜV Product
Services. Conforms to European Union directives.
CAT II
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.
CAT III
MEASUREMENT CATEGORY III is applicable to test and
measuring circuits connected to the distribution part of the
building’s low-voltage MAINS installation.
CAT IV
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 North American Safety Standards.

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.

Thermocouple Calibrator
Standard Equipment
5
Standard Equipment
The items listed below and shown in Figure 1 are
included with your Product. If the Product is damaged or
something is missing, contact the place of purchase
immediately. To order replacement parts or spares, see
the user-replaceable parts list in Table 7.
•AC175 alligator clips (1 set)
•TL75 test leads (1 set)
•TC Cap for TC hole
•Mini standard TC plugs (with 80cm TC wire) package
(Including Type K)
•4 AA batteries
•Magnet Strap TPAK
•712C/714C Safety Sheet
•714C Quick Reference Guide
•714C Users Manual (available on Fluke’s website)

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TC Plugkit
K Type
AC175
Alligator Clips
TL75
Test Leads
hnj01.eps
Figure 1. Standard Equipment

Thermocouple Calibrator
Input and Output Terminals
7
Input and Output Terminals
Figure 2 shows the input and output terminals on the
Product. Table 3 explains their use.
1
2
3
hnj02.eps
Figure 2. Input/Output Terminals and Connectors

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Table 3. Input/Output Terminals and Connectors
No. Name Description
, MEASURE mA
terminals
Input terminals for measuring current and supplying loop power.
TC input/output Terminal for measuring or simulating thermocouples. This terminal accepts a
miniature polarized thermocouple plug with flat, in-line blades spaced 7.9 mm
(0.312 in.) center to center.

Thermocouple Calibrator
Keys
9
Keys
The Product has keys for different purposes. Some keys
have secondary functions that are available when SHIFT
already shows on the display.
Figure 3 shows the Product keys and Table 4 explains
their use.
1
8
9
2
3
6
3
4
5
7
hnj03.eps
Figure 3. Keys

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Table 4. Key Functions
No. Name Description
Turns the power on or off.
Shifts to secondary function when pushed before other keys (Shift mode).
Turns backlight on or off.
Increments output by 25 % of span. Secondary function: toggles between temperature units (°C or
°F.).
Decreases output by 25 % of span. Secondary function: activates a 24 V loop power supply.


Up/down arrow increases or decreases the source level. Cycles through different options.
Secondary functions: Enters Ramp or Step mode.
Left/right arrow cycles through and highlights the field to be edited.
In contrast adjustment mode; left- lightens contrast, right- darkens contrast.
Secondary functions: Left arrow enters mA measurement; right arrow enters temperature
measurement.


Sets a source value to 100 % or 0 % of span.
Secondary function: enables automatic value span of 100 % or 0 %.
Shifts between Measure and Source modes.
Selects TC (thermocouple) measurement and sourcing function.

Thermocouple Calibrator
Display
11
Display
Figure 4 shows the elements of a typical display. Table 5 describes the elements.
7
8
9
1
2
43
5
6
10
11
hnj15.eps
Figure 4. Elements of a Typical Display

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Table 5. Elements on the Display
Item No. Description
100 % of value span
Source or Measure mode
LOOP POWER icon
Selected digit that can be edited
Battery usage status
Unit of voltage
Selected TC type
mA reading
Voltage reading
TC type list
Display contrast bar