Keithley 2750 - Page 10

Thermistors ..................................................................................... 3-27
4-wire RTDs .................................................................................... 3-28
Connections .................................................................................... 3-28
Temperature measurement configuration ........................................ 3-34
Temperature measurement procedure ............................................. 3-37
Frequency and period measurements ..................................................... 3-38
Trigger level .................................................................................... 3-38
Gate time ......................................................................................... 3-38
Connections .................................................................................... 3-39
Frequency and period measurement procedure .............................. 3-40
Continuity testing ................................................................................... 3-41
Connections .................................................................................... 3-41
Continuity testing procedure ........................................................... 3-42
Remote programming for basic measurements ...................................... 3-43
Basic measurement commands ....................................................... 3-43
Basic measurement programming examples .................................. 3-49
Measurement queries ............................................................................. 3-50
:FETCh? .......................................................................................... 3-50
:READ? ........................................................................................... 3-51
:MEASure[:<function>]? ................................................................ 3-51
[:SENSe[1]]:DATA:FRESh? ........................................................... 3-52
[:SENSe[1]]:DATA[:LATest]? ........................................................ 3-52
Examples ......................................................................................... 3-53
4 Range, Digits, Rate, Bandwidth, and Filter
Range ....................................................................................................... 4-2
Measurement ranges and maximum readings ................................... 4-2
Manual ranging ................................................................................. 4-2
Auto ranging ..................................................................................... 4-3
Scanning ............................................................................................ 4-3
Remote programming — range ........................................................ 4-4
Digits ........................................................................................................ 4-5
Scanning ............................................................................................ 4-5
Remote programming — digits ........................................................ 4-6
Rate and bandwidth .................................................................................. 4-8
Rate ................................................................................................... 4-8
Bandwidth ....................................................................................... 4-10
Scanning .......................................................................................... 4-10
Remote programming — rate and bandwidth ................................. 4-11
Filter ....................................................................................................... 4-14
Filter characteristics ........................................................................ 4-14
Remote programming — filter ........................................................ 4-19
5 Relative, Math, Ratio, Channel Average, and dB
2750-900-01.book Page 3 Wednesday, August 3, 2011 7:56 AM