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Figure
1-1.
Input and Output Terminals and Connectors ................................................... 1-5
1-2.
Pushbuttons ...................................................................................................... 1-6
1-3.
Calibrator Function Keys ................................................................................. 1-8
1-4.
Rear Panel View .............................................................................................. 1-11
2-1.
Connection to Simulate Thermocouple Temperature ...................................... 2-2
2-2.
Connection to Simulate a RTD Temperature ................................................... 2-3
2-3.
Connection for Setting DC Voltage Output ..................................................... 2-7
2-4.
Connection for Setting Resistance Output ....................................................... 2-8
2-5.
Connection for Setting Current Output ............................................................ 2-9
3-1.
Measuring Resistance Using a 4-Wire to 2-Wire Connection ......................... 3-2
3-2.
Measuring Temperature with a Thermocouple ................................................ 3-3
3-3.
Measuring RTD Output from an Instrument ................................................... 3-5
3-4.
Measuring Temperature using an RTD Probe ................................................. 3-6
3-5.
Connection for Measuring Pressure ................................................................. 3-10
4-1.
Testing the RS-232 Port ................................................................................... 4-2
4-2.
Typical RS-232 Remote Control Connections ................................................ 4-4
4-3.
Typical IEEE-488 Remote Control Connections ............................................. 4-6
4-4.
Testing the IEEE-488 Port ............................................................................... 4-7
4-5.
Status Register Overview................................................................................. 4-22
4-6.
Serial Poll Status Byte (STB) and Service Request Enable (SRE) .................. 4-23
6-1.
Accessing the Fuse .......................................................................................... 6-3
6-2.
Measuring DC Current..................................................................................... 6-6
6-3.
Testing TC Output ........................................................................................... 6-7
6-4.
Connections for CJC Calibration ..................................................................... 6-8
6-5.
Connections for Measuring TC Input .............................................................. 6-9
6-6.
Connection for Measuring Resistance Output ................................................. 6-10
6-7.
8508A/01 Connection Diagram ....................................................................... 6-11
6-8.
Connection for Measuring Ohms ..................................................................... 6-13
6-9.
Exploded View of the 525B ............................................................................. 6-15
List of Figures
Title
vii
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