Bk-precision 5491B - Manual User Manual download pdf (Page 50)

Command Parameter:

<n> = 0.1, 1, 10 Set power line cycles per integration

DEFault 1

MINimum 10

MAXimum 0.1

Query:

:NPLCycles? Query programmed NPLC value

Description:

The integration period (measurement speed) for the basic measurement functions (except

Frequency and Period) is set using the:NPLCycles command. NPLC (Number of Power Line

Cycles) expresses the integration period based on the power line frequency. For example, for a PLC

of 1, the integration period in seconds would be 1/60 (for 60Hz line power) which is 16.67 ms.

:RANGe Commands

:[UPPer] <n>

Command syntax:

:VOLTage:AC:RANGe[:UPPer] <n> Set measurement range for ACV

:VOLTage:DC:RANGe[:UPPer] <n> Set measurement range for DCV

Command Parameter:

<n> = 0.2, 2, 20, 200, 750 Expected reading is AC volts (ACV)

0.2, 2, 20, 200, 1000 Expected reading is DC volts (DCV)

DEFault 750 (ACV)

1000 (DCV)

MINimum 0 (All functions)

MAXimum Same as DEFault

Query:

:RANGe[:UPPer]? Query measurement range of the current function.

Description:

This command is used to manually select the measurement range for the specified measurement

function. The range is selected by specifying the expected reading as an absolute value. Select the

appropriate range to get the optimal reading of the measured device.

:AUTO <b>

Command syntax:

:VOLTage:AC:RANGe:AUTO <b> Set auto range for ACV

:VOLTage:DC:RANGe:AUTO <b> Set auto range for DCV

Command parameter:

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Bk-precision 5491B - Manual User Manual Page 50