Through the portable and user-friendly design, users can quickly obtain a series of parameters that characterize power quality, including voltage deviation, frequency deviation, high-order harmonics and interharmonics, unbalance, sudden rise and fall, flicker and other parameters specified by international standards. It also includes the capture of some transient and surge signals.
Versatile and Reliable Power Quality Monitoring System
Large Color LCD Display with Auto Range Switching and Bilingual Input
SISCO power quality analysers are applicable to electric power, petrochemical, metallurgy, railway, industrial and mining enterprises, scientific research institutions, measurement departments, etc. Especially suitable for comprehensive analysis and diagnosis of all voltage, current, power, electric energy, harmonics, phase and other electrical parameters. It is also applicable to various power systems to timely discover problems in the power system, avoid power loss, and achieve energy saving and loss reduction.
Model | SISCO-PQA-UT283A | |
Basic Function | Range | Accuracy |
Voltage (V) | 10V~1000V AC/DC | ±0.5%Udin |
AC Current (A) | 10A/100A/1000A | ±0.5%f.s. |
Frequency (Hz) | 40~70Hz | ±50mHz |
Power (W) | >15%S | ±1%S |
Power Factor | 0~1 | ±0.02 |
Energy (Wh) | 0~9999MWh | ±1.5%rdg |
Crest Factor | 1 to 10 | ±5% |
Voltage Harmonics or Inter-Harmonics | Um≥3%Unom (1~51th, step 0.5th) | ±5%Urms |
Um<3%Unom (1~51th, step 0.5th) | ±0.15%Unom | |
Current Harmonics or Inter-Harmonics | Im≥10%Inom (1~51th, step 0.5th) | ±5%Irms |
Im<10%Inom (1~51th, step 0.5th) | ±0.5%Inom | |
Power Harmonics | (1~51th, step 1th) | Calculated based on voltage and current amplitude and phase accuracy |
Transients | ±6000V Peak, Fsample=2MHz | ±5%rdg.±5%f.s |
Dip/Swell/Interrupt | 0~1000V AC | Udin±1 % |
AC Inrush Current (A) | 10A/100A/1000A | ±1%f.s |
Resistance (Ω) | 600Ω/6kΩ/60kΩ/600kΩ/6MΩ/60MΩ | ±(1%+3) |
Capacitance (F) | 60nF/600nF/6μF/60μF/600μF | ±(4%+20) |
Features | ||
True RMS | / | √ |
Harmonic Analysis | Up to 51th | √ |
Flick Measure | 10 minutes, PST and PLT values | √ |
Voltage Ratio | / | √ |
Current Ratio | / | √ |
Event Capture | / | √ |
Trend Capture | / | √ |
Data Logging | 8GB | √ |
USB Interface | / | √ |
Backlight Adjustment | / | √ |
Low Battery Indication | / | √ |
Input Protection | / | √ |
General Characteristics | ||
Power | Li-ion battery (not including): 7.4V 3600mAh | |
Display | 70mm x 52mm; 3.5 inches 64K color TFT LCD (320 x 240) | |
Color | Red and grey | |
Net Weight | 808.4g | |
Size | 199mm x 118mm x 49mm | |
Standard Accessories | Power adaptor, power cord, test leads, test probes, alligator clips, current clamp (10A/100A/1000A), USB interface cable, PC software CD, SD card (8GB) | |
Standard Individual Packing | Gift box, carrying bag, English manual |
Q1: What types of data can a power quality analyzer log?
A1: A power quality analyzer can log a variety of data related to electrical systems' performance. This includes voltage and current waveforms, harmonic distortion, frequency deviations, power factor, transient events, and fluctuations in load. It can capture detailed information on voltage sags, swells, and spikes, as well as track steady-state data such as maximum, minimum, and average values over specified intervals. Additionally, it can record event-triggered data with customizable thresholds and analyze power quality issues in real-time or over extended periods, providing insights into both immediate disturbances and long-term trends.
Q2: How does a power quality meter detect disturbances?
A2: A power quality meter detects disturbances by continuously monitoring electrical signals and comparing them to predefined thresholds and standards. It analyzes deviations in voltage, current, and frequency, capturing and recording anomalies such as sags, swells, harmonics, and transients. The meter processes these deviations to identify patterns or irregularities that indicate potential issues, providing real-time alerts and logging detailed data for further analysis. This allows for precise diagnosis of power quality problems and helps in troubleshooting and maintaining the reliability of electrical systems.
Q3: What are harmonic distortions?
A3: Harmonic distortions refer to deviations from the ideal sinusoidal waveform of electrical signals caused by non-linear loads, such as electronic devices, fluorescent lighting, and variable speed drives. These distortions introduce additional frequencies, known as harmonics, into the power system, which are integer multiples of the fundamental frequency. Harmonic distortions can lead to problems such as overheating of equipment, reduced efficiency, increased losses, and interference with sensitive electronic devices. Identifying and mitigating harmonic distortions is crucial for maintaining the health and performance of electrical systems.
Tips: How does a power quality analyzer work?
A power quality analyzer works by continuously monitoring and measuring various electrical parameters in a power system. It captures voltage and current waveforms, analyzes these signals to identify deviations and disturbances, and processes data to detect issues such as harmonics, transients, and fluctuations. The analyzer compares real-time data against predefined thresholds and standards to pinpoint abnormalities. It logs detailed measurements and generates reports, providing insights into the power quality and enabling users to diagnose problems, optimize performance, and ensure system reliability.
Thank you for buying industrial test and measurement equipment on SISCO.com, all products sold by SISCO and the partner cover a 12 months warranty, effective from the date of receiving the products.
SISCO is responsible for providing free spare parts, and free technical support to assist the customer to repair the defective products until the problem is solved.