User manual

Ohms measurement connections ......................................... 2-4
Noise and safety shields ...................................................... 2-5
Using a test fixture ...................................................................... 2-6
General purpose test fixture ................................................ 2-6
Model 8009 resistivity test fixture ...................................... 2-6
Interlock ...................................................................................... 2-8
Interlock connections .......................................................... 2-8
Interlock operation .............................................................. 2-8
Analog output ............................................................................. 2-9
Measurement considerations .................................................... 2-10
3 Measurements and Sourcing Voltage
Measurement overview .............................................................. 3-2
Current measurements ......................................................... 3-2
Voltage source ..................................................................... 3-2
Performance considerations ........................................................ 3-3
Warm-up period .................................................................. 3-3
Voltage offset correction ..................................................... 3-3
Autozero .............................................................................. 3-3
Zero check and zero correct ................................................ 3-3
Current measurements ................................................................ 3-5
Procedure ............................................................................. 3-5
SCPI programming — current measurements .................... 3-7
Programming example — current measurements ............... 3-7
Ohms measurements ................................................................... 3-8
Overview ............................................................................. 3-8
Procedure ............................................................................. 3-8
SCPI programming — ohms measurements ..................... 3-10
Programming example — ohms measurements ................ 3-11
Voltage source operation .......................................................... 3-11
Configuring the voltage source ......................................... 3-11
Sourcing voltage ................................................................ 3-12
Compliance indication ....................................................... 3-12
Open interlock indication .................................................. 3-13
SCPI commands — voltage source ................................... 3-13
Programming example — voltage ..................................... 3-13
4 Range, Units, Digits, Rate, and Filters
Range, units, and digits .............................................................. 4-2
Range ................................................................................... 4-2
Units .................................................................................... 4-3
Digits ................................................................................... 4-3
SCPI programming — range and digits .............................. 4-3
Rate ............................................................................................. 4-4