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
- Power quality accuracy complies with DL/T1028-2006 standard.
- 85~450V AC power supply or built-in lithium battery power supply.
- Comprehensive power quality monitoring that meets IEC standards and GB series national power quality standards.
Large Color LCD Display with Auto Range Switching and Bilingual Input
- Large 640*480 color LCD display, can display multiple groups of parameters.
- Automatically switches measurement ranges to ensure the accuracy of the measured parameters.
- Provides a bilingual (Chinese and English) keyboard for easy input of monitoring point information, with simple and convenient rotary wheel operation.
Advanced Event Capture, Data Recording, and Customizable Analysis Reporting
- Automatic capture of multiple events with adjustable thresholds, recording detailed trigger waveforms and event characteristics.
- Features steady-state data recording with adjustable recording intervals, saving the maximum, minimum, and average values within the interval.
- Standard computer client power quality analysis platform: offering powerful subsequent analysis functions and customizable report formats based on user needs.
Applications
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.
Metallurgy
Petrochemicals
Railways
Electricity
| Model | SISCO-PQA-UT285A | |
| Basic Function | Range | Accuracy |
| AC Current (A) | 0～3000.0A | ±1%(10-100%In) |
| AC Voltage(V) | 0.00V～1000V | ±0.1% of nominal voltage |
| Frequency (Hz) | 45Hz～65Hz | ±0.01Hz |
| Active Power(W) | 0.0W～9000kW | ±1% |
| Apparent Power(VA) | 0.0VA～9000kVA | ±1% |
| Reactive Power (VAr) | 0.0VAR～9000kVAR | ±1% |
| Power Factor | -1～+1 | ±0.1% |
| Phase Angle (°) | 0.0°～360° | ±1° |
| Flicker Pst(1min), Pst, Plt) | 0.00～20.00 | ±5% |
| Voltage Unbalance | 0.0～20.0% | ±0.1% |
| Current Imbalance | 0.0～20.0% | ±1% |
| Relative Value of Harmonic Voltage (%f) | 0～100.0% | ± 0.1% ± n × 0.1% |
| Relative Value of Harmonic Voltage (%r) | 0～100.0% | ± 0.1% ± n × 0.4% |
| Absolute Value of Harmonic Voltage | 0～1000V | ±5% |
| Voltage THD | 0～100.0% | ±2.5% |
| Relative Value of Harmonic Current (%f) | 0～100.0% | ±0.1% ± n × 0.1% |
| Relative Value of Harmonic Current (%r) | 0～100.0% | ±0.1% ± n × 0.4% |
| Absolute Value of Harmonic Current | 40～3000 A | ±5% |
| Current THD | 0～100.0% | ±2.5% |
| Relative Value of Harmonic Power (%f or %r) | 0.0～100.0% | ±n × 2% |
| Absolute Value of Harmonic Power | Depends on current range and voltage nominal value | ±5% ± n × 2% |
| Power THD | 0～100.0% | ±5% |
| Frequency | 0 ~ 2500 Hz (1st-50th harmonic) | ±1Hz |
| Phase | 0～360° | ±n × 1° |
| Half Cycle Voltage Effective Value | 0～200% of nominal voltage | ±0.2% of nominal voltage |
| Half Cycle Current Effective Value | 3000A | ±1% |
| Event Duration | mm:ss:mmm | A cycle |
| Record | Sampling Rate | Interval |
| Voltage/Current/Frequency | 5 times per second or 1 time per 3 seconds | 0.2 seconds to 2 hours |
| Harmonic | ||
| Power and Energy | ||
| Unbalanced | ||
| Sudden Rise and Fall | 100/120 times per second | 0.2 seconds to 2 hours |
| Inrush Current | ||
| Flicker | 1min, 10min, 2h | / |
| Power Quality Overview | Voltage: 3s / 1min /10min | / |
| Frequency: 1s / 3s / 10s | ||
| Event | 100/120 times per second | 22～260 waveform cycles, half cycle effective value |
| Transient | 19μs | 22～260 waveform cycles, half cycle effective value |
| General Features | ||
| Weight | 1.95kg | |
| Dimensions | 256mm × 169mm × 64mm | |
| Standard Accessories | 3000A flexible probes*4, 5-core test line*1, USB data cable, power adapter | |
| Standard Packaging | Tool box, instruction manual, color box | |
Dimension (mm)
Packing List
- 1 x Power quality analyzer (including handheld band, battery pack, and 8GB SD card)
- 1 x Sling
- 5 x Alligator clip
- 4 x 3000A flexible probes
- 5 x 2.5m test leads with color coding
- 1 x USB data cable
- 1 x Power adapter
- 1 x Portable tool box
- 1 x CD with user manual and PC application software
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.
What is covered?
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.
What is not covered?
- Product purchased from anyone other than a SISCO store or a SISCO authorized reseller.
- Expendable parts.
- Routine cleaning or normal cosmetic and mechanical wear.
- Damage from misuse, abuse or neglect.
- Damage from use of parts other than SISCO approved.
- Damage from use outside the product’s usage or storage parameters.
- Damage from use of parts not sold by SISCO.
- Damage from modification or incorporation into other products.
- Damage from repair or replacement of warranted parts by a service provider other than a SISCO authorized service provider.
- Damage caused by the application environment not meeting the product usage requirements and the failure to perform preventive maintenance.
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