Local High Range Frequency Calibration - Cal Power TrueWave TW5250 Service Manual

CALIBRATION

3.12 LOCAL HIGH RANGE FREQUENCY CALIBRATION

Connect the TW output to the DMM. Set the DMM up for auto–ranging AC voltage.
Set the TW into AC coupling, local sense, 40 Hz, 120V, and high range by sending the
following GPIB strings:
OUTP:COUP AC
SOUR:VOLT:RANGE HIGH
SOUR:SENSE LOCAL
SOUR:FREQ 40.0
SOUR{1,2,3}:VOLT 240.00
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 40 Hz and open the output relay.
SOUR:FREQ 40.0
OUTPUT OFF
3-14
TW SERIES