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Features

DM-5 Power Quality Analyzer

Wiring connection

1P2W, 1P3W, 3P3W, 3P4W

Measurements and parameters

Voltage, current, frequency, active power, reactive power, apparent power, active energy, reactive energy, apparent energy, power factor (cos ø), neutral current, demand, harmonics, quality (swell/dip/interruption, transients/overvoltage, inrush current, unbalance rate), capacitance calculation for PF correction unit, flicker

Voltage (rms)

Range: 600.0 / 1000 V
Accuracy: ±0.2% 0.2%f.s.(sine wave, 40 Hz to 70 Hz)
Allowable input: 1% to 120% of each range (rms). 200% of each range (peak)
Display range: 0.15% to 130 % of each range
Crest factor: 3 or less
Sampling speed of voltage transient: 24 μs
Input impedance: approx. 1.67 MΩ

Current (rms)

Accuracy: ±0.2% 0.2%f.s. accuracy of flex current sensor (sine wave, 40 Hz to 70 Hz)
Allowable input: 1% to 110% of each range (rms). 200% of each range (peak)
Display range: 0.15% to 130 % of each range
Crest factor: 3 or less
Input impedance: approx. 100 kΩ

Swell / dip / interruption

Range: same as Voltage (rms)
Accuracy: ±1.0% of nominal voltage
Threshold value: In percentage of nominal voltage value

Power and energy

CT-53 flex current sensor (3-ch): max. 6000 kW
CT-500 flex current sensor (1-ch): max. 1000 kW
Active power accuracy: ±0.3% 0.2%f.s. accuracy of flex current sensor (PF 1, sine wave, 40 Hz to 70 Hz) Influence of power factor: ±1.0% (PF 0.5, 40 Hz to 70 Hz )
Wh: 0.00000 mWh to 9999.99 TWh
VAh: 0.00000 VAh to 9999.99 TVAh
varh: 0.00000 varh to 9999.99 Tvarh

Power factor

Display range: -1.000 to 0.000 to 1.000
Accuracy: ±1dgt against each calculated value (for sum: ±3dgt)

Harmonics

Harmonics order (n): 1 to 50th
Inter-harmonics order (n): 1 to 50th
Volts: 0.0% to 100.0%, accuracy (≥3% at 100 V nominal voltage): ±10%
accuracy (<3% at 100 V nominal voltage): ±0.3% of nominal voltage
accuracy (1000 V range): ±0.2% 0.2%f.s
Amps: 0.0% to 100.0%, accuracy (≥10% to max. input range): ±10% flex current sensor
accuracy (<10% to max. input range): ±1.0% flex current sensor
Watts: 0.0% to 100.0%, accuracy: ±0.3% 0.2%f.s. accuracy of flex current sensor (PF 1, sine wave, 50/60 Hz)
THD: 0.0% to 100.0%, Phase angle: 0.0° to ± 180°

Flicker

Displayed items: Pst(1min), Pst, Plt, Max Pst, Max Plt, V, time left
Measurement method: Complied with IEC 61000-4-30 and IEC 61000-4-15 Ed.2
Accuracy: Pst (max.20): ±10% according to IEC 61000-4-15

Unbalance

Volts: 0.00% to 100.00%, accuracy: ±0.3% at 50/60 Hz, sine wave (0.00% to 5.00% according to IEC 61000-4-030)
Current: 0.00% to 100.00%

Transient

Approx. 40.96 ksps (every 2.4 μs)
Range: 50 V to 2200 Vdc
Accuracy: ±0.5% at 1000 Vdc

Inrush current

Range: same as Current (rms)
Accuracy: ±0.4% 0.4%f.s. accuracy of flex current sensor
Threshold value: In percentage of the measurement range

Capacitance

Range: 0.000 nF to 9999 F, 0.000 kvar to 999 kvar

Specifications

Display

3.5inch, TFT, QVGA(320xRGBx240)

Display update

Every 1 second*
*There may be time lag in display update (max. 2 seconds) due to arithmetic processing. However, no time lag between the recorded data and the time stamp

Operating temperature and humidity

32°F to 104 °F (0 °C to 40 °C), ≤ 85 %RH (no condensation)
Guaranteed accuracy at 73 °F ± 9 °F (23 °C ± 5 °C), ≤ 85 %RH (no condensation)

Operating altitude

0 to 6,561 ft (0 to 2,000 m)

Pollution degree

2

Dust/water proof

IP 40

Drop proof

3.3 ft (1 m)

Storage temperature and humidity

-4 to 140 °F (-20 °C to 60 °C), ≤ 85 % RH (no condensation)

Power supply

Battery: 6 x AA 1.5 V Alkaline battery (LR6)
AC power supply: AC100 V to AC 240 V, 50 Hz to 60 Hz, 7 VAmax

Battery life

3 hours (typical)
Current consumption: 1.0 A at 3.0 Vdc (typical)

EMC

Meets EN 61326-1

Safety compliance

UL/IEC 61010-1, IEC 61010-031, IEC 61010-2-030

Power quality measurement

Complies with IEC 61000-4-030 ed.2 Class S

Certification

Dimensions (L x W x D)

6.9 x 4.7 x 2.7 in (17.5 X 12 X 6.8 cm)

Weight

Approx. 2.0 lb (900 g) with batteries installed