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B-6 Calibration Reference Model 2500 Service Manual

Current measurement commands

:SENSe

(:CALibration:PROTected:SENSe[1])

(:CALibration:PROTected:SENSe2)

Purpose To calibrate the active channel 1 or channel 2 current range.

Format :cal:prot:sens1 <Cal_current>

:cal:prot:sens2 <Cal_current>

Parameters <Cal_current> = Within ±10% of positive full-range value

0 ±0.1% of full-range value

Within ±10% of negative full-range value

Description The :CAL:PROT:SENS1 and :CAL:PROT:SENS2 commands calibrate

the active range of the channel 1 or channel 2 current measurement

respectively. During the calibration process, this command is sent three

times for each range, once each with parameters of approximately

positive full range, 0, and negative full range. The appropriate

calibration current must be applied to the channel 1 or channel 2 input

terminals.

Example :CAL:PROT:SENS1 1.9e-3 Calibrate channel 1 2mA range.

:DATA

(:CALibration:PROTected:SENSe[1]:DATA)

(:CALibration:PROTected:SENSe[1]:DATA?)

(:CALibration:PROTected:SENSe2:DATA)

(:CALibration:PROTected:SENSe2:DATA?)

Purpose To set/query channel 1 or channel 2 measurement calibration constants.

Format :cal:prot:sens1:data <Cal_constants>

:cal:prot:sens2:data <Cal_constants>

Parameters <Cal_constants> = ASCII ﬂoating point format, delimited by commas

Query :cal:prot:sens1:data?

:cal:prot:sens2:data?

Description The :CAL:PROT:SENS1:DATA and :CAL:PROT:SENS2:DATA

commands allow you to send calibration constants directly to the unit,

while the :CAL:PROT:SENS1:DATA? and :CAL:PROT:SENS2:DATA?

queries request calibration constants. These commands allow you to

alter calibration directly without having to perform the entire calibration

procedure.

Example :CAL:PROT:SENS1:DATA? Query channel 1 constants.

Keithley 2500 Service Manual

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