Keithley 2001 User Manual

IEEE-488 Reference
4-142
Query :TCONtrol? Query filter type
Short-form formats: :curr:ac:aver:tcon? :curr[:dc]:aver:tcon?
:volt:ac:aver:tcon? :volt[:dc]:aver:tcon?
:res:aver:tcon? :fres:aver:tcon?
:temp:aver:tcon?
Response message: REP or MOV
Description These commands are used to select the type of averaging filter (REPeat or MOVing) for the spec-
ified function. With the repeating filter selected and enabled, the instrument will simply acquire
and average a specified number of readings and display the result. This process continues for
each new group of readings.
With the moving filter selected and enabled, the instrument will acquire and average a specified
number of readings. Each subsequent new reading will then be added to the group while the old-
est reading will be discarded. With each new reading, the average is re-calculated and displayed.
The number of readings that are averaged by the filter is set with the :AVERage:COUNt com-
mand. The :AVERage[:STATe] command is used to enable or disable the filter.
Changing the filter type will disable auto filter.
Programming example 10 OUTPUT 716; “:curr:ac:aver:tcon rep; tcon?”
20 ENTER 716; A$
30 PRINT A$
40 END
Line 10 Selects the repeating filter, and then queries the filter type.
Line 20 Addresses the Model 2001 to talk.
Line 30 Displays the filter type (REP).
:COUNt <n>
[:SENSe[1]]:CURRent:AC:AVERage:COUNt <n> Specify filter count for ACI
[:SENSe[1]]:CURRent[:DC]:AVERage:COUNt <n> Specify filter count for DCI
[:SENSe[1]]:VOLTage:AC:AVERage:COUNt <n> Specify filter count for ACV
[:SENSe[1]]:VOLTage[:DC]:AVERage:COUNt <n> Specify filter count for DCV
[:SENSe[1]]:RESistance:AVERage:COUNt <n> Specify filter count for Ω2
[:SENSe[1]]:FRESistance:AVERage:COUNt <n> Specify filter count for Ω4
[:SENSe[1]]:TEMPerature:AVERage:COUNt <n> Specify filter count for TEMP
Parameters <n> = 1 to 100 Specify filter count
= DEFault 10
= MINimum 1
= MAXimum 100
Formats :curr:ac:aver:coun <n> :curr[:dc]:aver:coun <n>
:volt:ac:aver:coun <n> :volt[:dc]:aver:coun <n>
:res:aver:coun <n> :fres:aver:coun <n>
:temp:aver:coun <n>

Keithley 2001 Specifications

General

Model	2001
Category	Multimeter
Manufacturer	Keithley
Type	Digital Multimeter
Digits of Resolution	7.5
DC Voltage Range	100 mV to 1000 V
AC Voltage Range	100 mV to 750 V
Frequency Range	3 Hz to 500 kHz
Connectivity	GPIB, RS-232
Display	VFD
Resistance Accuracy	0.008% + 2.0 mΩ
Frequency Accuracy	±0.01%
DC Current Range	10 μA to 3 A
AC Current Range	10 μA to 3 A
Power Supply	100 V to 240 V AC, 45 Hz to 66 Hz