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IEEE-488 Programming
3-14
3.2.11 Range (R)
Purpose
To select the measurement range.
Format
Volts
Amps
Ohms
Coul.
External
Feedback
________________________________________________________
R0 Auto Auto Auto
Auto Auto
R1 200mV 2pA
2k
Ω
200pC
200mV
R2 2V
20pA 20k
Ω
2nC 2V
R3 20V
200pA 200k
Ω
20nC 20V
R4 200V 2nA
2M
Ω
20nC
20V
R5 200V 20nA 20M
Ω
20nC 20V
R6 200V 200nA 200M
Ω
20nC 20V
R7 200V 2µA 2G
Ω
20nC
20V
R8 200V 20µA 20G
Ω
20nC 20V
R9 200V 200µA 200G
Ω
20nC 20V
R10 200V
2mA
200G
Ω
20nC 20V
R11 200V
20mA 200G
Ω
20nC 20V
R12
Cancel auto-ranging for all functions.
Default
Upon power up, or after receiving a DCL or SDC command, the instrument will be in the R0
(auto-range) mode.
Description
The range command gives you control over the measurement sensitivity of the instrument. This
command, and its options, perform essentially the same functions as the front panel AUTO and
▲
and
▼
range buttons.
Programming
1. The instrument will be ready to take a reading after the range is set up when respond-
Notes
ing to a range command.
2.
When auto-range is disabled (R12), the instrument will stay on its present range.
Examples
R12X
Disable
auto-range.
R3X
Choose 200pA range (in amps).
R0X Enable
auto-range.
Summary of Contents for 6512
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