725Ex
Users Manual
ii
Current Measurement with Loop Power.................................................................... 19
Measuring Electrical Parameters (Lower Display) .................................................... 21
Measuring Temperature............................................................................................ 22
Using Thermocouples .......................................................................................... 22
Using Resistance-Temperature Detectors (RTDs)............................................... 25
Measuring Pressure.................................................................................................. 28
Zeroing with Absolute Pressure Modules.................................................................. 29
Using Source Mode ....................................................................................................... 31
Sourcing 4 to 20 mA.................................................................................................. 31
Simulating a 4- to 20-mA Transmitter........................................................................ 31
Sourcing Other Electrical Parameters....................................................................... 31
Simulating Thermocouples........................................................................................ 34
Simulating RTDs ....................................................................................................... 34
Source Pressure Mode ............................................................................................. 37
Setting 0 % and 100 % Output Parameters ................................................................... 39
Stepping and Ramping the Output................................................................................. 39
Manually Stepping the mA Output ............................................................................ 39
Auto Ramping the Output.......................................................................................... 40
Storing and Recalling Setups......................................................................................... 40
Calibrating a Transmitter................................................................................................ 41
Calibrating a Pressure Transmitter ................................................................................ 43
Calibrating an I/P Device ............................................................................................... 45
Switch Test .................................................................................................................... 47
Testing an Output Device .............................................................................................. 48
Replacing the Batteries.................................................................................................. 49
Approved Batteries ........................................................................................................ 50
Maintenance .................................................................................................................. 50
Cleaning the Calibrator ............................................................................................. 50