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AMETEK Compact IX 2253 User Manual

Page 123

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User Manual

2253i / 2253iX

AMETEK California

Instruments

123

9.5.2 EMERGENCY TEST

From the DO160 MENU scroll to the EMERGENCY AC entry using the up and down cursor keys.
Press the ENTER key to select the EMERGENCY screens. The screen will appear as shown in Figure
9-8.

Figure 9-8: Emergency Screens

The EMERGENCY SCREEN has the following tests:

1

VOLT FREQ MIN

2

VOLT FREQ MAX

3 VOLT

UNBALANCE

The above tests 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 FREQ MIN

Standard/Group

RTCA

A(CF)

A(NF)

A(WF)

Voltage 1Ф

100 100 100 100

101.5 101.5 101.5 101.5

Frequency

360 360 360 360

Standard/Group

Group1

Group2

Group3

Voltage 1Ф

104 104 104

105.5 105.5 105.5

Frequency

360 360 360

Table 9-8: Emergency Voltage and Frequency Minimum

Standard/Group

RTCA

Group1

Group2

Group3

Voltage 1Ф

122 122 122 122

120.5 120.5 120.5 120.5

Frequency

440 440 650 800

Standard/Group

Group1

Group2

Group3

Voltage 1Ф

122 122 122

120.5 120.5 120.5

Frequency

440 650 800

Table 9-9: Emergency Voltage and Frequency Maximum

This test will set the voltage and frequency to a level defined by Table 9-8. The test will last for 30
minutes. The test will be repeated using the voltage from Table 9-9 and frequency from Table 9-8.
The BACK key (backspace) will terminate the test at any time.