www.lumel.com.pl

4

CUrrENT INPUT

number of input

4 (3-phase+ neutral) DC coupling

type

clamp current sensor with mV output

input range

1...3000 Arms with supplied current clamp

input impedance

50 kΩ

bandwidth

<3kHz

SAMPlING SySTEM

resolution

8 channels 16 bits AD

sampling rate

20kS/s for each channel, 8 channels sample synchronously

RMS sampling

5000 points for 10/12 cycles (according to EN 61000-4-30)

pll synchronizacja

4096 points for 10/12 cycles (according to EN 61000-4-7)

NP40 - portable power quality analyzer

TECHNICAl DATA

VoLTAgE INPUTS

input Channels

4 (3-phase + neutral)

Max. input voltage

1000 Vrms

range of nominal voltage

50...500V

Max pulse peak voltage

6kV

bandwidth

<3kHz

input impedance

4MΩ/5pF

inputs

Measurement range

resolution

Accuracy

VoLTAgE/CUrrENT/FrEqUENCy

Vrms (AC+DC)

1 ~ 1000Vrms

0.1Vrms

± 0.5% of nominal voltage

Vpk

1 ~ 1400Vpk

0.1Vpk

± 0.5% of nominal voltage

V (crest factor)

1.0 ~ >2.8

0.01

± 5%

Arms (AC)

1~ 1000A/3000A/5000A

1A

± 1% ± 2A

1~ 100A

0.1A

± 1% ± 0.2A

apk

1 ~ 4000Apk

1A

± 1% ± 2A

A (crest factor)

1 ~ 10

0.01

± 5%

Frequency

42.5 ~ 57.5Hz (50Hz nominal)

0.01Hz

± 0.01Hz

51 ~ 69Hz (60Hz nominal)

0.01Hz

± 0.01Hz

DIPS & SwELLS

Vrms1/2

0 ~ 200% of nominal voltage

0.1Vrms

± 1%

Arms1/2

1 ~ 3000A

1A

± 1% ± 2A

threshold levels

Threshold is settable according to nominal voltage percentage. Detectable events type: dips, swells, interruption, voltage rapid change.

Duration

hour-minute-second-microsecond

0.5 period

1 period

MEASUREMENT