Bitronics QTWIE2, Руководство пользователя

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ML0030 August 2009 Copyright 2009 Bitronics, LLC
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10
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3.00, 30.0, 300.
3.50, 35.0, 350.
4.00, 40.0, 400.
4.50, 45.0, 450.
5.00, 50.0, 500.
6.00, 60.0, 600.
7.50, 75.0, 750.
8.00, 80.0, 800.
9.00, 90.0, 900.
4. Return the toggle to the center position. You will see a digit check (1888
displayed) and the new CT ratio will be "locked" into the meter.
5. Repeat steps 2 through 4 with the CT/PT switch in the down position to set the PT
ratio. A table of the PT ratios is listed below:
1.00, 10.0, 100.
1.10, 11.0, 110.
1.15, 11.5, 115.
relay ratio
1.20, 12.0, 120.
1.40, 14.0, 140.
1.50, 15.0, 150.
1.73, 17.3, 173.
relay ratio
1.75, 17.5, 175.
1.80, 18.0, 180.
2.00, 20.0, 200.
2.31, 23.1, 231.
relay ratio
2.40, 24.0, 240.
2.50, 25.0, 250.
2.51, 25.1, 251.
relay ratio
3.00, 30.0, 300.
3.46, 34.6, 346.
relay ratio
3.50, 35.0, 350.
4.00, 40.0, 400.
4.35, 43.5, 435.
4.50, 45.0, 450.
5.00, 50.0, 500.
5.77, 57.7, 577.
relay ratio
6.00, 60.0, 600.
6.35, 63.5, 635.
6.64, 66.4, 664.
6.93, 69.3, 693.
relay ratio
7.00, 70.0, 700.
8.00, 80.0, 800.
8.08, 80.8, 808.
relay ratio
6. Replace gasket, front cover and four cover screws. Done!!
The position of the decimal point for the WATTs and/or VARs display is automatically
calculated by the microcontroller; this provides up to three decades of range. With the