Keithley 2750 User Manual

Source resistance noise ..................................................................... E-5
Magnetic fields .................................................................................. E-6
Radio frequency interference ............................................................ E-6
Ground loops ..................................................................................... E-7
Shielding ........................................................................................... E-9
Meter loading .................................................................................. E-10
F Temperature Equations
Thermocouple equation ............................................................................ F-2
Thermistor equation ................................................................................. F-6
RTD equation ........................................................................................... F-8
G IEEE-488 Bus Overview
Introduction .............................................................................................. G-2
Bus description ......................................................................................... G-2
Bus lines ................................................................................................... G-4
Data lines .......................................................................................... G-4
Bus management lines ...................................................................... G-5
Handshake lines ................................................................................ G-5
Bus commands ......................................................................................... G-6
Uniline commands ............................................................................ G-8
Universal multiline commands ......................................................... G-8
Addressed multiline commands ........................................................ G-9
Address commands ........................................................................... G-9
Unaddress commands ....................................................................... G-9
Common commands ....................................................................... G-10
SCPI commands .............................................................................. G-10
Command codes .............................................................................. G-10
Typical command sequences ........................................................... G-12
IEEE command groups ................................................................... G-13
Interface function codes ......................................................................... G-14
2750-900-01.book Page 9 Wednesday, August 3, 2011 7:56 AM

Keithley 2750 Specifications

General

Interface	GPIB, RS-232, Ethernet
Switching Speed	Up to 500 channels/second
Maximum Voltage	300V
Operating Temperature	0°C to 50°C
Measurement Functions	DCV, ACV, DCI, ACI, 2-wire Resistance, 4-wire Resistance, Frequency, Temperature
Resolution	6.5 digits
Current	1A
Maximum Current	1A