

- Stock: In Stock
- Model: UT285C UNI-T
UT285C Three Phase Power Quality Analyzer
1. Waveform real-time display (4 channels voltage/4 channels current).
2. True RMS values of voltages and currents
3. Peak current and voltage values
4. Total harmonic distortion (THD)
5. Active, reactive, apparent power, by phase and cumulative
6. Transformer K factor
7. Power factors (PF) and displacement factors (DPF or COSΦ)
8. Short-term voltage flicker (PST)
9. Three phase unbalance (current and voltage)
10. USB interface/PC software
Specifications | UT285C | ||
True RMS phase-to-neutral voltage | 1.0V~ 1000V | ±(0.5%+5dgt) | |
True RMS phase-to phase voltage | 1.0V~ 2000V | ±(0.5%+5dgt) | |
DC voltage | 1.0V~ 1000V | ±(1.0%+5dgt) | |
True RMS current | 10mA~ 1000A | ±(0.5%+5dgt) | |
Peak of phase-to-neutral voltage | 1.0V~ 1414V | ±(1.0%+5dgt) | |
Peak of phase-to-phase voltage | 1.0V~ 2828V | ±(1.0%+5dgt) | |
Current peak | 10mA~ 1414A | ±(1.0%+5dgt) | |
Active power | 0.000W~ 9999.9kW | ±(1%+3dgt) | |
Cosφ≥0.8 | |||
±(1.5%+10dgt) | |||
0.2≤Cosφ<0.8 | |||
Reactive power, inductive or capacitive | 0.000RVA~ 9999.9kVAR | ±(1%+3dgt) | |
Sinφ≥0.5 | |||
±(1.5%+10dgt) | |||
0.2≤Sinφ<0.5 | |||
Apparent power | 0.000VA~ 9999.9kVA | ±(1%+3dgt) | |
Power factor | -1.000~ 1.000 | ±(1.5%+3dgt) | |
Cosφ≥0.5 | |||
±(1.5%+10dgt) | |||
0.2≤Cosφ<0.5 | |||
Active energy | 0.000Wh~ 9999.9MWh | ±(1%+3dgt) | |
Cosφ≥0.8 | |||
±(1.5%+10dgt) | |||
0.2≤Cosφ<0.8 | |||
Reactive energy, inductive or capacitive | 0.000VARh~ 9999.9MVARh | ±(1%+3dgt) | |
Sinφ≥0.5 | |||
±(1.5%+10dgt) | |||
0.2≤Sinφ<0.5 | |||
Apparent energy | 0.000VAh~ 9999.9MVAh | ±(1%+3dgt) | |
Phase angle | -179°~ 180° | ±(2°) | |
Tanφ | -32.76~ 32.76 | φ:±(1°) | |
Phase shift of power factor | -1.000~ 1.000 | φ:±(1°) | |
Harmonic ratio | 0.0%~ 99.9% | ±(1%+5dgt) | |
Harmonic angle | -179°~ 180° | ±(3°) harmonics of order 1 to 25 | |
±(10°) harmonics of order 26 to 50 | |||
Total harmonic ratio | 0.0%~ 99.9% | ±(1%+5dgt) | |
Distortion factor | 0.0%~ 99.9% | ±(1%+10dgt) | |
Transformer K factor | 1.00~ 99.99 | ± (5%) | |
3 phases unbalance | 0.0%~ 100% | ± (1%) | |
Number of channels | 4U/4I | ||
Parameters of electricity | W, VA, Var, PF, DPF, cosφ, tanφ | ||
Energy parameters | Wh, Varh, Vah | ||
Harmonic | 50 | ||
Total harmonic distortion | Order 0~50, each phase | ||
Expert mode | Yes | ||
Number of Transient records | 150 sets | ||
3 phases unbalance | Yes | ||
Min/Max | Yes | ||
Alarm | 40 different types of parameter selections, 12,800 sets alarm logs | ||
Peak | Yes | ||
Phasor diagram display | Auto | ||
Auto power off | Yes | ||