UNI-T Three Phase UT285C Power Quality Analyzer

UT285C Three Phase Power Quality Analyzer Technical Specifications

True RMS Phase-to-Neutral Voltage

• Range: 1.0V ~ 1000V
• Accuracy: ±(0.5% + 5 Digits)

True RMS Phase-to-Phase Voltage

• Range: 1.0V ~ 2000V
• Accuracy: ±(0.5% + 5 Digits)

DC Voltage

• Range: 1.0V ~ 1000V
• Accuracy: ±(1.0% + 5 Digits)

True RMS Current

• 008B Current Clamp (Optional): 10mA ~ 10.0A
• 040B Current Clamp (Optional): 0.10A ~ 100A
• 068B Current Clamp: 1.0A ~ 1000A
• 300F Flexible Current Sensor with Integrator (Optional): 10A ~ 6000A
• Accuracy: ±(0.5% + 5 Digits)

Peak Phase-to-Neutral Voltage

• Range: 1.0V ~ 1414V
• Accuracy: ±(1.0% + 5 Digits)

Peak Phase-to-Phase Voltage

• Range: 1.0V ~ 2828V
• Accuracy: ±(1.0% + 5 Digits)

Current Peak

• Range: 10mA ~ 6000A (Optional)
• Accuracy: ±(1.0% + 5 Digits)

Active Power

• Range: 0.000W ~ 9999.9kW
• Accuracy:
  • ±(1% + 3 Digits), Cosφ ≥ 0.8
  • ±(1.5% + 10 Digits), 0.2 ≤ Cosφ < 0.8

Reactive Power (Inductive / Capacitive)

• Range: 0.000kVAR ~ 9999.9kVAR
• Accuracy:
  • ±(1% + 3 Digits), Sinφ ≥ 0.5
  • ±(1.5% + 10 Digits), 0.2 ≤ Sinφ < 0.5

Apparent Power

• Range: 0.000kVA ~ 9999.9kVA
• Accuracy: ±(1% + 3 Digits)

Power Factor

• Range: -1.000 ~ 1.000
• Accuracy:
  • ±(1.5% + 3 Digits), Cosφ ≥ 0.5
  • ±(1.5% + 10 Digits), 0.2 ≤ Cosφ < 0.5

Active Energy

• Range: 0.000Wh ~ 9999.9MWh
• Accuracy:
  • ±(1% + 3 Digits), Cosφ ≥ 0.8
  • ±(1.5% + 10 Digits), 0.2 ≤ Cosφ < 0.8

Reactive Energy (Inductive / Capacitive)

• Range: 0.000VARh ~ 9999.9MVARh
• Accuracy:
  • ±(1% + 3 Digits), Sinφ ≥ 0.5
  • ±(1.5% + 10 Digits), 0.2 ≤ Sinφ < 0.5

Apparent Energy

• Range: 0.000VAh ~ 9999.9MVAh
• Accuracy: ±(1% + 3 Digits)

Phase Angle

• Range: -179° ~ 180°
• Accuracy: ±2°

Tanφ

• Range: -32.76 ~ 32.76
• Accuracy: φ ±1° (VA > 50VA)

Displacement Power Factor (DPF)

• Range: -1.000 ~ 1.000
• Accuracy: φ ±1°

Harmonic Ratio

• Range: 0.0% ~ 99.9%
• Harmonic Order: 1 ~ 50
• Accuracy: ±(1% + 5 Digits) (Vrms > 50V)

Harmonic Angle

• Range: -179° ~ 180°
• Accuracy:
  • ±3° (1st ~ 25th Harmonics)
  • ±10° (26th ~ 50th Harmonics)
• Condition: Vrms > 50V

Total Harmonic Ratio

• Range: 0.0% ~ 99.9%
• Accuracy: ±(1% + 5 Digits)

Distortion Factor (DF / THD-R)

• Range: 0.0% ~ 99.9%
• Accuracy: ±(1% + 10 Digits)
• Condition: DF or THD-R < 50

Transformer K Factor

• Range: 1.00 ~ 99.99
• Accuracy: ±5%

Three-Phase Unbalance

• Range: 0.0% ~ 100%
• Accuracy: ±1%

Features

• Number of Channels: 4U / 4I
• Electrical Parameters:
  • W, VA, Var
  • PF, DPF
  • Cosφ, Tanφ
• Energy Parameters:
  • Wh, Varh, VAh
• Harmonic Analysis: Up to 50th Order
• Total Harmonic Distortion: Order 0 ~ 50 (Each Phase)
• Expert Mode: Yes
• Transient Records: 150 Sets
• Three-Phase Unbalance Analysis: Yes
• Min/Max Recording: Yes
• Alarm Function:
  • 40 Parameter Types
  • 12,800 Alarm Log Records
• Peak Capture: Yes
• Automatic Phasor Diagram Display: Yes
• Auto Power Off: Yes
• Backlight: Yes
• Menu Language: English / Chinese
• USB Interface & PC Software: Yes

General Characteristics

• Power Supply: 9.6V Rechargeable Lithium-Ion Battery
• Product Color: Red and Grey
• Instrument Weight: 1.6 kg
• Current Clamp Weight: 510 g × 4
• Product Dimensions: 240 × 170 × 68 mm

Accessories Included

• Carry Cloth Bag × 1
• Test Leads × 5 (Yellow, Green, Red, Blue, Black)
• Alligator Clips × 4
• Power Adapter × 1
• 1000A Current Clamps × 4

Packaging Information

• Individual Packing: Inner Carton
• Standard Quantity per Carton: 1 pc
• Carton Dimensions: 440 × 320 × 330 mm
• Carton Gross Weight: 6.4 kg

BRAND: UNI-T

DELIVERY: 7-15 days

WARRANTY: 12 Months

COUNTRY OF ORIGIN: China

Import Duties : Applicable

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