Keithley 6517B Reference Manual

Section 14: SCPI command reference Model 6517B Electrometer Reference Manual
14-132 6517B-901-01 Rev. C / August 2015
:HSControl <b>
This command controls humidity readings.
Usage
:SYSTem:HSControl <b>
:HSControl?
<b>
 0 or OFF: Disable humidity readings
 1 or ON: Enable humidity readings
Details
This command controls humidity readings. When enabled (and the Model 6517-RH connected to the
instrument), the Model 6517B makes humidity readings. Note that HUMidity has to be a selected
data element in order to include the humidity reading in the data string.
Also see
None
:HLControl <b>
This command controls the A/D hardware limit.
Usage
:SYSTem:HLControl <b>
:HLControl?
<b>
 0 or OFF: Disable A/D hardware limit
 1 or ON: Enable A/D hardware limit
Details
This command is used to control the A/D hardware limit. With the hardware limit ON, the "OutOfLimit"
error message is enabled to indicate that an out of range noise spike has occurred.
Disabling the hardware limit disables the error message. With the hardware limit OFF, noise spikes
may cause the reading to be erroneous.
Also see
None
RS-232 interface commands
The following commands are provided for control (enabled or disabled) of front-panel keys while
using the RS-232 interface.

Keithley 6517B Specifications

General

Input Impedance	>200 TΩ
Electrometer Type	Electrometer/High Resistance Meter
Current Measurement Range	20 fA to 20 mA
Display	Vacuum Fluorescent Display
Communication Interfaces	IEEE-488 (GPIB), RS-232
Power Supply	100 V / 120 V / 220 V / 240 V; 50 Hz / 60 Hz
Resistance Measurement Range	Up to 200 TΩ