Waveform real-time disy (4-way voltage / 4-way current).
True effective values of voltage and current.
Voltage DC component.
Peak current and voltage
Maximum/minimum RMS for current and voltage half period
Phasor diagram shows
Each phase harmonic measurement, up to 50 harmonics
柱形图显示各相电流和电压的谐波含There is率
Total harmonic distortion (THD)
Active/reactive/apparent power value and total value of each phase
Active/reactive/apparent energy value and total value of each phase
Transformer K factor
Power factor (PF) and COSφ discement power factor (DPF)
Short - term voltage flicker
Three-phase unbalance (voltage and current)
| Host model | UT285C Power Quality Analyzer | ||
| Electricity source | Rechargeable lithium battery pack 9.6V,4500mAH, external charger; The working current is about 490mA, and the battery can work continuously for 8 hours | ||
| Battery power indicator | Battery symbol 5 shows the power. When the battery power is too low, it will prompt automatic shutdown after 1 minute | ||
| Disy mode | LCD color screen,640dots×480dots,5.6 inches, disy field 116mm×88mm | ||
| 电流测试 | Current sensor: 008B; 040B; 068B; 300F (Optional) | ||
| Voltage test | Line voltage: 1.0V ~ 2000V; Phase voltage: 1.0V ~ 1000V | ||
| Quantity Electric power parameter | W,VA,var,PF,DPF,cosφ,tanφ;Wh,Varh,Vah | ||
| Number of channels | 4 channels voltage,4 channels current |
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| Frequency rate | 40Hz～70Hz |
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| Harmonic wave | Yes,0 ~ 50 times |
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| Total harmonic distortion | Yes,0 ~ 50 times,各相 |
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| Expert model | There is |
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| Number of transient record groups | 150 groups |
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| Voltage flicker | There is |
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| Keep a record of | 300 days (record 20 parameters simultaneously, 1 point every 5 seconds) | ||
| Minimum/maximum record value | There is,可测一段时间内的小值 | ||
| Call the police | 40 different types of parameters can be selected. 12800 groups of alarm logs | ||
| Automatic shutdown | 在告警/趋势图记录/暂态捕捉模式（等待或者进行中）下,仪器不Automatic shutdown | ||
| 在其它测试模式下,15分钟内无按键操作,提示1分钟后Automatic shutdown. | |||
| Backlight function | There is,适合昏暗场及夜间使用 | ||
| Instrument size | Length width: 240mm×170mm× 68mm | ||
| Instrument quality | About 9.2Kg(including packaging) | ||
| Input impedance | 测试电压Input impedance为：1MΩ | ||
| Suitable for safety rules | IEC61010 1000V Cat III / 600V CAT IV,IEC61010-031,IEC61326, Pollution Level 2 | ||
| Random attachment | Main machine: 1 PC; Instrument pack: 1 PCS; Test lines: 5 (yellow, green, red, blue, black 1 each); Crocodile clip: 5; Marker: 5; Charger: 1; Software CD: 1; Lithium battery pack: 1 PCS; 2 GB memory card: 1. Current sensor: (Optional) | ||
| Measuring specifications | Measuring range | Disy resolution | Maximum error within the reference range |
| Frequency | 40Hz～70Hz | 0.01Hz | ±(0.03)Hz |
| 相电压真There is效值 | 1.0V～1000V | Minimum resolution 0.1V | ±(0.5%+5dgt) |
| 线电压真There is效值 | 1.0V～2000V | Minimum resolution 0.1V | ±(0.5%+5dgt) |
| Dc voltage | 1.0V～1000V | Minimum resolution 0.1V | ±(1.0%+5dgt) |
| 电流真There is效值 | 10mA～6000A | Minimum resolution 1mA | ±(0.5%+2dgt) |
| Peak phase voltage | 1.0V～1414V | Minimum resolution 0.1V | ±(1.0%+5dgt) |
| Peak line voltage | 1.0V～2828V | Minimum resolution 0.1V | ±(1.0%+5dgt) |
| Peak current | 10mA～6000A | Minimum resolution 1mA | ±(1.0%+5dgt) |
| Peak factor | 1.00～3.99 | 0.01 | ±(1%+2dgt) |
| 4.00～9.99 | 0.01 | ±(5%+2dgt) | |
| There is功功率 | 0.000W～9999.9kW | Minimum resolution 0.001W | ±(1%+3dgt);Cosφ≥0.8 |
| ±(1.5%+10dgt);0.2≤Cosφ<0.8 | |||
| Reactive power electrosensitivity | 0.000VAR～9999.9kVAR | Minimum resolution 0.001VAR | ±(1%+3dgt);Sinφ≥0.5 |
| ±(1.5%+10dgt);0.2≤Sinφ<0.5 | |||
| Apparent power | 0.000VA～9999.9kVA | Minimum resolution 0.001VA | ±(1%+3dgt) |
| Power factor | -1.000～1.000 | 0.001 | ±(1.5%+3dgt);Cosφ≥0.5 |
| ±(1.5%+10dgt);0.2≤Cosφ<0.5 | |||
| There is功电能 | 0.000Wh～9999.9MWh | Minimum resolution 0.001Wh | ±(1%+3dgt);Cosφ≥0.8 |
| ±(1.5%+10dgt);0.2≤Cosφ<0.8 | |||
| Reactive energy sensitivity | 0.000VARh～9999.9MVARh | Minimum resolution 0.001VARh | ±(1%+3dgt);Sinφ≥0.5 |
| ±(1.5%+10dgt);0.2≤Sinφ<0.5 | |||
| Apparent electric energy | 0.000VAh～9999.9MVAh | Minimum resolution 0.001VAh | ±(1%+3dgt) |
| Phase Angle | -179°～180° | 1° | ±(2°) |
| Tanφ(VA≥50VA) | -32.768～32.768 | Minimum resolution 0.001 | ±(1%+5dgt) |
| 位移Power factor(DPF) | -1.000～1.000 | 0.001 | ±(1%+5dgt) |
| Harmonic ratio (Vrms> 50V) | 0.0 %～99.9 % | 0.1 % | ±(1%+5dgt) |
| Harmonic Angle (Vrms> 50V) | -179°～180° | 1° | ±(3°) harmonics 1 ~ 25 |
| ± (10°) harmonics 26 ~ 50 | |||
| Total harmonic rate (DF or THD-F)≤50 | 0.0 %～99.9 % | 0.1 % | ±(1%+5dgt) |
| Distortion factor (DF or THD-R)≤50 | 0.0 %～99.9 % | 0.1 % | ±(1%+10dgt) |
| Transformer K factor | 1.00～99.99 | 0.01 | ±(5 %) |
| Three-phase unbalance | 0.0%～100 % | 0.1 % | ±(1 %)
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