Valhalla 2300, Operation Manual

Page: 57 / 115

)
When calibrating Models 2301 and
2301L, only steps 1 through 12 need be
performed.
1) Connect the DVM low lead to a phase A
shield screw, high lead to
φ
AIC7 pin 6.
Adjust
φ
AR3 for 0 volts ± 1mV DC.
Disconnect the DVM.
2) Connect the AC Voltage calibrator as
shown in Figure 8-1.
3) Select
φ
A and the 600 (60) volt range.
4) Apply 600.0 volts and adjust MBR20 for
a display of 600.0.
5) Apply 60.00 volts and adjust MBR119 for
a display of 60.0.
6) Repeat steps 4 and 5 for minimum
interaction.
7) Select the 300 (30) volt range.
8) Apply 300.0 volts and adjust MBR24 for
a display of 300.0.
9) Select the 150 (15) volt range.
10) Apply 150.00 volts and adjust MBR18 for
a display of 150.00.
11) Select the 50 (5) volt range.
12) Apply 50.00 volts and adjust MBR22 for
a display of 50.00. Disconnect the
voltage calibrator.
13) Connect the DVM low lead to the phase B
shield, high lead to
φ
BIC7 pin 6.
Adjust
φ
BR3 for 0v ± 1mV DC.
Disconnect the DVM.
14) Connect the AC Voltage Calibrator as
shown in Figure 8-2.
15) Select
φ
B and the 600 (60) volt range.
16) Apply 600.0 volts and adjust
φ
BR22 for a
display of 600.0.
17) Apply 60.00 volts and adjust MBR219 for
a display of 60.00.
18) Repeat steps 16 and 17 for minimum
interaction.
19) Select the 300 (30) volt range.
20) Apply 300.0 volts and adjust
φ
BR25 for a
display of 300.0.
21) Select the 150 (15) volt range.
22) Apply 150.00 volts and adjust
φ
BR27 for
a display of 150.00.
23) Select the 50 (5) volt range.
24) Apply 50.00 volts and adjust
φ
BR29 for a
display of 50.00. Disconnect the
voltage calibrator.
25) Connect the DVM low lead to the phase C
shield, high lead to
φ
CIC7 pin 6.
Adjust
φ
CR3 for 0v ± 1mV DC.
Disconnect the DVM.
26) Connect the AC voltage calibrator as
shown in Figure 8-3.
27) Select
φ
C and the 600 (60) volt range.
28) Apply 600.00 volts and adjust
φ
CR22 for
a display of 600.0.
29) Apply 60.00 volts and adjust MBR319 for
a display of 60.00.
30) Repeat steps 28 and 29 for minimum
interaction.
31) Select the 300 (30) volt range.
32) Apply 300.0 volts and adjust
φ
CR25 for a
display of 300.0.
33) Select the 150 (15) volt range.
34) Apply 150.00 volts and adjust
φ
CR27 for
a display of 150.00.
35) Select the 50 (5) volt range.
36) Apply 50.00 volts and adjust
φ
CR29 for a
display of 50.00. Disconnect the
voltage calibrator.