Keithley 6514 Quick Guide

10 Model 6514 Quick Results Guide
Settings to optimize performance
Range
To achieve best accuracy, the Model 6514 should be on the lowest possible measurement
range. In most situations, auto range can be used to automatically select the best range.
Auto range is controlled (enabled/disabled) by the AUTO range key (AUTO annunciator
indicates auto range is enabled).
The RANGE
5
and
6
keys are used for manual range selection. Note that pressing
either of these keys disables auto range.
The ranges for each measurement function are listed in Table 7. The range setting (fixed or
AUTO) is remembered by each function. The full scale readings for every measurement
range are 5% over range.
Table 6
Command sequence for amps measurement example
Command* Comments
*RST Restore GPIB defaults.
SENS:FUNC ‘CURR’ Select amps measurement function.
SENS:CURR:RANG:AUTO ON Enable auto range.
SYST:ZCH OFF Disable zero check.
READ? Trigger and acquire one current reading.
*Model 6514 must be addressed to talk after sending :READ? to trigger and acquire data.
Table 7
Measurement ranges
V I Ω Q
2V 20pA 2k Ω 20nC
20V 200pA 20k Ω 200nC
200V 2nA 200k Ω
2µC
20nA 2M Ω 20µC
200nA 20M Ω
2µA
200M Ω
20µA 2G Ω
200µA 20G Ω
2mA
200G Ω
20mA

Keithley 6514 Specifications

General

Brand	Keithley
Model	6514
Category	Measuring Instruments
Language	English