PF1350 TECHNICAL MANUAL REV 1 2/06/14
4.3 PERFORMANCE
VERIFICATION (continued)
4.3.6
With the load off, set the DUT voltage to the values listed in table 4-2. In each case
record the actual output voltage vs. the displayed set value. These should agree within
+/-1% of s/-1 digit.
TABLE 4-2
DISPLAYED
SETTING
MEASURED
OUTPUT VOLTAGE
LIMITS
25
23.75V - 26.25V
50
48.5V – 51.5V
75
73.25V – 76.75V
100
98.0V – 102V
135
132.6V – 137.35V
4.3.7
With the load off, set the DUT to the HIGH range. Set the DUT to the values listed in
table 4-3. In each case, record the actual output voltage and confirm that it is with-in
limits.
TABLE 4-3
DISPLAYED
SETTING
MEASURED
OUTPUT VOLTAGE
LIMITS
50
48.5V – 51.5V
100
98 V – 102V
150
147.5V – 152.5V
200
197V – 203V
270
266.3V – 273.7V
4.3.8
With the load off, set the wattmeter to read frequency. Set the DUT to the frequencies
listed in table 4-4. Confirm that the actual output frequency matches the display setting
With in the /-0.1% of setting.
TABLE 4-4
DISPLAY
SETTING
MEASURED
OUTPUT
FREQUENCY
LIMITS
50 Hz
49.95Hz - 50.05Hz
60Hz
59.94 Hz – 60.06Hz
400Hz
399.6Hz – 400.4Hz
