Amprobe DMIII-Multitest Power-Quality-Recorder Manual do Utilizador descarregar pdf (Página 79)

AMPROBE

DMIII MULTITEST

EN-77

14.1.2. POWER QUALITY function

 VOLTAGE MEASUREMENT – (AUTORANGE)

Range [V]

Resolution [V]

Accuracy

Input Impedance

15  310V

0.2V

(0.5% Reading+2digit)

300k (Phase-Neutral)

300k (Phase-Phase)

310  600V

0.4V

 VOLTAGE SAG AND SURGE DETECTION –(MANUAL RANGE)

Range [V]

Resolution

(Voltage)

Resolution

(Time)

Accuracy

(Voltage)

Accuracy (rif. 50Hz)

(Time)

Input Impedance

15  310V

0.2V

10ms (½ period)

(1.0% Reading+2digit)

 10ms (½ period)

300k (Phase-Neutral)

300k (Phase-Phase)

30  600V

0.4V

 CURRENT MEASUREMENT – STD & FlexEXTclamps

Range [V]

Resolution [mV]

Accuracy

Input Impedance

Overload Protection

0.0050.26V

0.1

(0.5% Reading+2digit)

200k

0.261V

0.4

(*): Example: with a 1000A/1V full scale clamp , the instrument detect only current higher than 5A

 CURRENT MEASUREMENT – FlexINT clamp – 1000A Range

Current Range

Input Voltage Range

Resolution

Accuracy

Input Impedance

Overload

Protection

5.00  20.00A

425V  1.7mV

0.850V

 (4.0%rdg + 8.5V)

9.166k

20.00  99.99A

1.7mV  8.499mV

0.850V

 (1.0% rdg + 8.5V)

100.0  999.9A

8.5mV 84.99mV

8.5V

 (1.0% rdg + 85V)

 CURRENT MEASUREMENT – FlexINT clamp – 3000A Range

Current Range

Input Voltage Range

Resolution

Accuracy

Input Impedance

Overload

Protection

15.00  99.99A

1.27mV 8.499mV

0.850V

 (1.0% rdg + 8.5V)

9.7k

100.0  270.0A

8.5mV 22.75mV

8.5V

 (1.0% rdg + 42.5uV

270.0  999.9A

22.75mV  84.99mV

8.5V

 (1.0% rdg + 85uV)

1.00  3.00kA

85mV  255mV

850V

 (0.5% rdg + 8.5mV)

 POWER MEASUREMENT – (AUTORANGE)

Quantity

Range

Accuracy

Resolution

ACTIVE POWER

0  999.9W

1  999.9kW

1  999.9MW

1000  9999MW

(1.0%Reading+2digit)

0.1W

0.1kW

0.1MW

1MW

REACTIVE POWER

0  999.9VAR

1  999.9kVAR

1  999.9MVAR

1000  9999MVAR

0.1VAR

0.1kVAR

0.1MVAR

1MVAR

APPARENT POWER

0  999.9VA,

1  999.9kVA,

1  999.9MVA

1000  9999MVA

0.1VA

0.1kVA

0.1MVA

1MVA

ACTIVE ENERGY

(Classe2 EN61036)

0  999.9Wh,

1  999.9kWh,

1  999.9MWh

1000  9999MWh

0.1Wh

0.1kWh

0.1MWh

1MWh

REACTIVE ENERGY

(Classe3 IEC1268)

0  999.9VARh,

1  999.9kVARh,

1  999.9MVARh

1000  9999MVARh

0.1VARh

0.1kVARh

0.1MVARh

1MVARh

 Cos  MEASUREMENT

Cos 

Resolution

Accuracy [°]

1.00 – 0.80

0.01

0.6

0.80 - 0.50

0.7

0.50 – 0.20

1.0

 VOLTANGE AND CURRENT HARMONICS MEASUREMENT

Range

Accuracy

Resolution

DC – 25H

(5% + 2 digit)

0.1V / 0.1A

26H – 33H

(10% + 2 digit)

34H – 49H

(15% + 2 digit)

Harmonics values are null under fixed threshold:

- DC: its values is null if it is < 2%of Fundamental or is <2% of Full Scale clamp

- 1

Current Harmonic: its values is null if it is < 0.2% Full Scale clamp

- 2

 49

: its values is null if it is < 0.5% of fundamental or is < 0.1% of Full Scale clamp

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Amprobe DMIII-Multitest Power-Quality-Recorder Manual do Utilizador Página 79

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