Fluke 712B Manuel utilisateur
January 2014
© 2014 Fluke Corporation. All rights reserved. Specifications are subject to change without notice.
All product names are trademarks of their respective companies.
712B
RTD Calibrator
Users Manual
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 - TestEquipmentDepot.com
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.
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
Contrast Adjustment....................................................................................................... 14
Magnet Mounting and Hanging Strap............................................................................. 15
Measure mA Current...................................................................................................... 16
Measure Temperature.................................................................................................... 16
Use Resistance-Temperature Detectors (RTDs)....................................................... 16
Set Temperature Unit ................................................................................................ 16
Source Temperature Signals.......................................................................................... 19
Simulate RTDs ............................................................................................................... 20
Scale mA Channel to Temperature ................................................................................ 22
712B
Users Manual
ii
Set 0 % and 100 % Output Parameters......................................................................... 22
Step and Ramp Modes .................................................................................................. 23
Select Step or Ramp Mode....................................................................................... 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
DC mA Measurement ............................................................................................... 28
Ohms Measurement ................................................................................................. 28
Ohms Source............................................................................................................ 29
RTD Input and Output............................................................................................... 30
General Specifications .............................................................................................. 32
iii
List of Tables
Table Title Page
1. Summary of Source and Measure Functions ........................................................................ 2
2. International Electrical Symbols ............................................................................................ 4
3. Input/Output Terminals and Connectors................................................................................ 8
4. Key Functions........................................................................................................................ 10
5. Elements on the Display........................................................................................................ 12
6. RTD Types Accepted ............................................................................................................ 17
7. Replacement Parts................................................................................................................ 26
712B
Users Manual
iv
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. Adjust the Contrast................................................................................................................ 14
6. Magnet Mounting with Hanging Strap ................................................................................... 15
7. Measure Temperature with an RTD ...................................................................................... 18
8. Source Temperature Signals................................................................................................. 19
9. Connection for Simulating a 3 and 4 Wire RTD..................................................................... 21
10. Replace the Batteries ............................................................................................................ 24
11. Replacement Parts................................................................................................................ 27
712B
Users Manual
vi
1
Introduction
Fluke 712B RTD Calibrator (the Product) is a handheld,
battery-operated instrument that measures and sources a
variety of RTDs. It also has an isolated channel to
measure 4-20 mA. See Table 1.
712B
Users Manual
2
Table 1. Summary of Source and Measure Functions
Function Measure Source
Resistance 0 Ωto 4000 Ω1 Ωto 4000 Ω
RTD
(Resistance-Temperature Detector)
Pt100 Ω(385)
Pt100 Ω(3926)
Pt100 Ω(3916)
Pt200 Ω(385)
Pt500 Ω(385)
Pt1000 Ω(385)
Ni120 Ω(672)
Pt10 Ω(385)
Pt50 Ω(385)
Cu10 Ω(427)
Cu50 Ω(427)
Cu100 Ω(427)
YSI400
Other functions Step, Ramp, Isolated mA channel for 4-20 mA measurement
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