AMETEK Lx Series II - Manual (Page 140)

User Manual Lx / Ls Series II
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8.7 ABNORMAL TEST
From the DO160 MENU Scroll to the ABNORMAL AC entry using the up and down cursor keys.
Press the ENTER key to select the ABNORMAL screens. The screen will appear as shown in
Figure 8-9.
Figure 8-9: Abnormal Screen
The ABNORMAL SCREEN has the following tests:
1 VOLT MAX
2 VOLT MIN
3 VOLT UNBALNCE
4 VOLT SURG
5 VOLT DROP
6 FREQ TRANSIENTS
The above test can be selected by scrolling to the highlighted selection using the up and down
key and the ENTER key to start the selected test.
VOLT MAX
Standard/Group RTCA Group1/A(CF) Group2/A(NF) Group3/A(WF)
Voltage 1 97 97 104/100 97 97
3 98.5 98.5 105.5/101.5 98.5 98.5
Frequency 400 400 370 360 360
Table 8-11: Abnormal Voltage Minimum
Standard/Group RTCA Group1/ACF) Group2/A(NF) Group3/A(WF)
Voltage 1 134 134 122 134 134
3 132.5 132.5 120.5 132.5 132.5
Frequency 400 400 430 650 800
Table 8-12: Abnormal Voltage Maximum
This test will set the voltage and frequency to levels defined by Table 8-11 for 5 minutes. The
test will be repeated for Group1and A(CF) only as indicated in Table 1-10 for voltage and Table
8-12 for frequency. All Groups will repeat the test using Table 1-10 for the voltage setting and
Table 1-10 or Table 1-11for the frequency setting. The
key (backspace) will terminate the
test at any time.