Metrel MI 2893 Class A Power Quality Analysers (50 … 500/ 1000 V RMS; 87 … 1730 V)

Voltage inputs

Number of inputs: 5 (AC+DC)

Nominal voltage range (3-phase): Phase (L-N): 50 … 1000 V RMS / Line (L-L): 87 … 1730 V

Nominal voltage range (1-phase): Phase (L-N): 50 … 500 V RMS

Measuring range (3-phase / 1-phase): 10 % … 150 % of Un / 10 % … 110 % of Un

Max. transient peak voltage: ±6 kV

Accuracy: ±0.1% of nominal voltage (IEC 61000-4-30 Class A)

Sampling rate:

7 kSamples/sec @ 50/60 Hz

1.7 kSamples/sec @ VFD (5 Hz - 120 Hz)

12.2 kSamples/sec @ 400 Hz

Mains frequency range:

42.5 ... 69.0 Hz / ±10 mHz

5 ... 120 Hz (VFD) / ± 10 mHz

335.0 ... 465.0 Hz / ± 100 mHz

Current inputs

Number of inputs: 4 (AC+DC)

Instrument Measuring range (Range 1 / Range 2):

10.0 mVRMS ... 300.0 mVRMS / 50.0 mVRMS ... 3.000 VRMS / ±0.25 % URMS

Current Clamp Accuracy (Clamp model / Range / Accuracy):

A 1588: 50 mARMS ... 100 ARMS / ±0.5 % of m.v.

A 1281: 50 mARMS ... 1200 ARMS / ±0.5 % of m.v.

A 1069: 500 mARMS ... 200 ARMS / ±1.0 % of m.v.

A 1501 / A 1502 / A 1227 / A 1445: 3 ARMS ... 6000 ARMS / ±1.5 % of m.v.

A 1503 / A 1446: 6 ARMS ... 12000 ARMS / ±1.5 % of m.v.

Power (P, Q, S, cos φ, PF…): Depends on voltage and clamps / IEC 61557-12 Class 1

Energy (Active / Reactive): Depends on voltage and clamps / Active: IEC 62053-21 Class 1 / Reactive: IEC 62053-23 Class 2

Harmonics (DC ... 50th): 0 ... 20% of nom. voltage / IEC 61000-4-7 Class 1

Flicker: 0.2 ... 10 / IEC 61000-4-15 Class F1

Mains signalling: 0 ... 15% of nom. voltage / IEC 61000-4-30 Class A

Unbalance (Voltage / Current): 0 ... 5% / 0 ... 20% / IEC 61000-4-30 Class A

Temperature: -10 ... 85 °C / ±0.5 °C

Dips and Swell: 10 ... 150% of nom. voltage / ±0.2 % of nominal voltage (±1 cycle)

Interrupts: 0 ... 10% of nom. voltage / ±1 cycle

Memory: 8GB microSD (up to 32GB supported)

General recorder integration period: 1s … 2h (> 1000 signals)

Waveform recorder duration: Up to 60 seconds (voltage and current waveform)

Transient recorder sampling rate: 1 MSamples/sec (simultaneously on all 8 channels)

Transient recorder trigger: Envelope and level trigger simultaneously

Display: 4.3 inch color TFT (480 x 272 pixels)

Communication: USB, Ethernet

Time synchronisation: GPS receiver (A 1355)

Power supply: Adapter or 6 x NiMh rechargeable batteries (size AA)

Overvoltage category: CAT IV / 600 V or CAT III / 1000 V

Dimensions: 230 x 140 x 80 mm

Weight: 1.1 kg

Datasheet