Table Of Contents - Fluke 725Ex Calibration Manual

Introduction........................................................................................................ 1
Read First - Safety Information......................................................................... 2
Symbols ............................................................................................................. 3
Ex-Hazardous Areas .......................................................................................... 4
Specifications..................................................................................................... 5
DC Voltage Measurement ............................................................................. 5
DC Voltage Source........................................................................................ 5
Millivolt Measurement and Source* ............................................................. 5
DC mA Measurement and Source ................................................................. 5
Ohms Measurement....................................................................................... 6
Ohms Source ................................................................................................. 6
Frequency Measurement................................................................................ 6
Frequency Source .......................................................................................... 6
Temperature, Thermocouples ........................................................................ 7
Loop Power Supply ....................................................................................... 7
Entity Parameters........................................................................................... 7
RTD Excitation (simulation) ......................................................................... 7
Temperature, RTD Ranges, and Accuracies.................................................. 8
Pressure Measurement................................................................................... 8
General Specifications................................................................................... 8
Basic Maintenance ............................................................................................. 9
Cleaning the Calibrator.................................................................................. 9
Approved Batteries........................................................................................ 9
Replacing the Batteries.................................................................................. 9
Required Equipment .......................................................................................... 11
Performance Tests.............................................................................................. 12
Preparing for the Performance Tests ............................................................. 12
Upper Display Voltage Measurement Tests .................................................. 13
Lower Display mV Measurement Tests ........................................................ 14
Lower Display Voltage Measurement Tests.................................................. 15
Upper Display mA Measurement Tests......................................................... 16
Lower Display mA Measurement Tests ........................................................ 17
Lower Display Frequency Measurement Test............................................... 18
Lower Display Frequency Source Test ......................................................... 19
Lower Display 4-Wire Resistance Measurement Tests................................. 20
Lower Display 4-Wire RTD Measurement ................................................... 21
Lower Display 3-Wire RTD Measurement ................................................... 22
Lower Display Thermocouple Measurement Tests ....................................... 23
Lower Display Thermocouple Source Tests.................................................. 24
Lower Display mA Source Tests................................................................... 25

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