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Magtrol Model 5300 Three Phase Power Analyzer

Chapter 4 - Operation

DISPLAY SELECTIONS

Figure 8. Display Selections

Ø1 Ø2 Ø3 K

DISPLAY Ø1, Ø2, Ø3

Individually selects Phase 1, Phase 2 or Phase 3

WATTS for display.

If all three push-buttons are simultaneously pressed, the

four LEDs illuminate, indicating that the AMPS display

reads the SUM of the three phase currents, the VOLTS

reads the AVERAGE of the three phase voltages and

the WATTS reads SUM of the three phase powers, as

follows:

AMPERES I I I=++

φφ φ

123

(SUM)

VOLTS

VVV

φφ φ

123

(AVERAGE)

KILOWATTS

WWW

φφ φ

123

1000

(SUM)

DISPLAY

ΣΣ

ΣK

The WATTS display indicated the total 3-phase power

in kilowatts.

W W W

+ +

1 2 3

1000

(SUM)

VOLTAGE RANGES

Figure 9. Voltage Range Selections

150 300 600 AUTO

150, 300 and 600 volts rms plus AUTO range. At power

turn on, the 150 volt range and AUTO (auto-ranging)

are active, by default. Up ranging occurs when the

measured voltage on any phase exceeds that range

maximum voltage by 5% (>105%). This feature is active

in either AUTO (LED on) or manual (LED off).

Automatic down ranging occurs only in AUTO when

the measured voltage falls to about 1/4% below that

range maximum value.

If MODE PH. V. is off, up ranging occurs at 105% of

the range times

The PA up-ranging feature protects the instrument from

overload and ensures accurate measurements.

Exceeding the PA maximum voltage of 600 volts causes

the instrument to display "HELP." This means that

you must reduce your input voltage.

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 39 40

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