Fluke 724 Calibration Manual

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Table of Contents
Title Page
Introduction........................................................................................................ 1
Contacting Fluke................................................................................................ 1
Read First – Safety Information......................................................................... 2
International Symbols ........................................................................................ 3
Specifications..................................................................................................... 4
DC Voltage Measurement (724 and 725)...................................................... 4
DC Voltage Measurement and Source (726)................................................. 4
DC Voltage Source (724 and 725) ................................................................ 4
DC mA Measurement and Source (724 and 725)
(Measurement only for 724)....................................................................... 4
DC mA Measurement and Source (726) ....................................................... 5
Ohms Measurement (724 and 725) ............................................................... 5
Ohms Measurement (726) ............................................................................. 5
Ohms Source (724 and 725) .......................................................................... 5
Ohms Source (726)........................................................................................ 6
Frequency Measurement (725)...................................................................... 6
Frequency Measurement (726)...................................................................... 6
Frequency Source (725) ................................................................................ 6
Frequency Source (726) ................................................................................ 7
Millivolt Measurement and Source (724 and 725)........................................ 7
Temperature, Thermocouples (724 and 725)................................................. 7
Temperature, Thermocouples (726) .............................................................. 8
Temperature, RTD Ranges, and Accuracies (724 and 725) .......................... 9
RTD Accuracy (Read and Source) (ITS-90) (726)........................................ 10
Loop Power Supply ....................................................................................... 11
Pressure Measurement (725 and 726) ........................................................... 11
Pulse Read and Pulse Source (726) ............................................................... 11
Pressure Units Availability (725) .................................................................. 11
General Specifications................................................................................... 12
Cleaning the Calibrator...................................................................................... 12
Replacing the Batteries ...................................................................................... 12
Fuses .................................................................................................................. 13
Remote Control Interface (725 and 726) ........................................................... 14
Serial Command List (726)................................................................................ 17
Required Equipment .......................................................................................... 22
Performance Tests.............................................................................................. 24
Preparing for the Performance Tests ............................................................. 24
Upper Display Voltage Measurement Tests .................................................. 25
Lower Display mV/TC Measurement Tests .................................................. 26
Lower Display Voltage Measurement Tests.................................................. 27

Fluke 724 Specifications

General

Temperature Range	-10°C to 55°C
Thermocouple Types	J, K, T, E, R, S, B, L, U, N
Current Measurement	0 to 24 mA
Operating Temperature	-10°C to 55°C
Function	Process calibrator
RTD Types	Pt100, Pt500, Pt1000
Voltage Measurement	0 to 10 V
Loop Power	24 V DC
Display	Dual Display
Power Supply	4 AA batteries
Resolution	0.1 °C
Storage Temperature	-20 °C to 60 °C
Battery Life	25 hours
Relative Humidity	0 % to 90 %
Safety Compliance	CSA C22.2 No. 1010.1:1992