SERVICE MANUAL
CALIBRATION
3-17
Close the TW’s output relay:
OUTPUT ON
Wait for the DMM to settle and record the voltage as
MEAS1
.
Set the TW to 80 Hz.
SOUR:FREQ 80.0
Wait for the DMM to settle and record the voltage as
MEAS2
.
Set the TW to 160 Hz.
SOUR:FREQ 160.0
Wait for the DMM to settle and record the voltage as
MEAS3
.
Set the TW to 320 Hz.
SOUR:FREQ 320.0
Wait for the DMM to settle and record the voltage as
MEAS4
.
Set the TW to 500 Hz.
SOUR:FREQ 500.0
Wait for the DMM to settle and record the voltage as
MEAS5
.
Set the TW to 60 Hz and open the output relay.
SOUR:FREQ 80.0
OUTPUT OFF
Calculate the calibration constants:
VALUE1
= 120.0 /
MEAS1
VALUE2
= 120.0 /
MEAS2
VALUE3
= 120.0 /
MEAS3
VALUE4
= 120.0 /
MEAS4
VALUE5
= 120.0 /
MEAS5
Update the remote low range frequency calibration of the TW by sending the following
GPIB string:
CAL
{1,2,3}
:OUTP:REM:LOR:VOLT:FREQCAL
VALUE1 VALUE2 VALUE3 VALUE4 VALUE5
Содержание TrueWave TW1750
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