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DXL700Power Analyzer
The DXL-700 Precision 3 Phase Power Analyzer is a high-accuracy digital power analyzer and three-phase power measurement instrument for measuring and analyzing voltage, current, active power, power factor, frequency, and harmonics in single-phase and three-phase AC systems. Designed for transformer testing, motor testing, power electronics, electrical equipment testing, laboratory measurement, and industrial quality control, the DXL-700 features True RMS measurement, four-quadrant power measurement, CT/PT ratio scaling, harmonic analysis, and accurate low-power-factor measurement, making it a versatile 3 phase power analyzer, precision power meter, and electrical power analyzer for demanding testing applications.
Key Features
- High-precision three-phase power analyzer with basic accuracy of up to 0.1%.
- Advanced four-quadrant power measurement for accurate results under distorted waveforms and VFD applications.
- Simultaneous measurement of voltage, current, power, power factor, frequency, and harmonics.
- Supports single-phase and three-phase systems with multiple wire mode configurations.
- Configurable CT, PT, and watt scaling for a wide range of industrial applications.
- Built-in harmonic analysis with measurement up to the 32nd harmonic and THD display.
- Large 4 × 20 jumbo LCD display with dedicated function keys for fast and intuitive operation.
- Ideal for transformer testing, motor testing, home appliance testing, built-up core testing, and electrical test panels.
- Rugged industrial design with panel-mount enclosure for reliable laboratory and production use.
Digital Three Phase Power Analyzer for Transformer, Motor & Electrical Power Testing
The DXL-700 Precision 3 Phase Power Analyzer is a high-accuracy digital power analyzer and three phase power measurement instrument designed for comprehensive measurement and analysis of electrical power in single-phase and three-phase AC systems. It is engineered for transformer testing, motor testing, electrical equipment testing, power electronics testing, laboratory measurements, production testing, and industrial quality control.
The DXL-700 measures essential electrical parameters including voltage, current, active power, power factor, frequency, and harmonics, providing engineers and test operators with a complete view of electrical performance. With four-quadrant power measurement, multi-range measurement, CT/PT ratio scaling, selectable measurement speed, and harmonic analysis, the DXL-700 provides reliable and repeatable electrical power measurements across a wide range of testing applications.
Designed as a precision three phase power analyzer, the instrument can be used for transformer loss measurement, motor power measurement, electrical appliance testing, power supply evaluation, and analysis of electrical systems where accurate measurement of voltage, current, power and power factor is required.
Features
High-Accuracy Three Phase Power Measurement
The DXL-700 is designed for accurate measurement of electrical parameters in three-phase power systems. It simultaneously measures voltage and current and calculates the corresponding electrical power parameters, allowing users to evaluate the performance of the equipment under test.
The analyzer provides measurement of:
- True RMS voltage
- Mean voltage
- Peak voltage
- True RMS current
- Mean current
- Peak current
- Active power
- Power factor
- Frequency
- Harmonics
- Equipment temperature
- Equipment operating time
The instrument supports three-phase voltage and current measurement and can be configured for different electrical connection methods, including phase-to-phase, phase-to-neutral and two-wattmeter measurement methods.
This makes the DXL-700 suitable for both routine electrical measurement and advanced three-phase power analysis.
Precision Power Analyzer for Low Power Factor Applications
Accurate power measurement becomes particularly important when testing transformers, motors and other electrical equipment operating at low power factor.
The DXL-700 uses four-quadrant power measurement technology to provide dependable power and power-factor measurement under different load conditions, including loads with low power factor and distorted electrical waveforms.
The four-quadrant measurement capability allows the analyzer to evaluate power flow in both directions and measure electrical power under different combinations of voltage and current phase relationships.
This makes the DXL-700 suitable for applications involving:
- Low power factor loads
- Inductive loads
- Capacitive loads
- Transformer testing
- Motor testing
- Power electronics
- Variable-frequency-drive applications
- AC drive systems
- Distorted waveforms
- Non-linear electrical loads
- Bidirectional power flow
High-precision power analyzers are commonly used for difficult waveform applications, including transformers, motors, inverters, switching power supplies and variable-frequency drives.
Three Phase Power Analyzer with Harmonic Measurement
The DXL-700 provides harmonic analysis of voltage and current, allowing engineers to investigate waveform distortion and harmonic components in electrical systems.
Harmonics are particularly important when testing modern electrical equipment such as VFDs, inverters, switching power supplies, power converters, motors and transformer systems.
The analyzer measures harmonic components up to the 31st harmonic order, providing useful information for evaluating waveform quality and identifying harmonic distortion.
Harmonic measurement can be used for:
- Voltage harmonic analysis
- Current harmonic analysis
- Harmonic distortion investigation
- Non-linear load testing
- Transformer harmonic analysis
- Motor and drive testing
- VFD testing
- Power electronics testing
- Electrical equipment troubleshooting
Total Harmonic Distortion (THD) and individual harmonic components are important parameters when evaluating distorted voltage and current waveforms. Modern precision power analyzers commonly combine power measurement with harmonic and waveform analysis for transformer, motor, inverter and power-electronics applications.
Power Analyzer for Transformer Testing
The DXL-700 is particularly suited for transformer testing and transformer loss measurement.
During transformer testing, accurate measurement of voltage, current, active power and power factor is essential for evaluating transformer performance. The DXL-700 can be used for measurements associated with:
- Transformer no-load testing
- Transformer full-load testing
- Transformer load loss measurement
- Transformer input and output power measurement
- Transformer efficiency evaluation
- Transformer voltage and current measurement
- Transformer power factor measurement
- Transformer harmonic analysis
- Distribution transformer testing
- Power transformer testing
A precision power analyzer can measure the electrical input and output parameters required to determine transformer losses and efficiency. Accurate low-power-factor measurement is especially important during transformer no-load and core-loss measurements.
The DXL-700 therefore provides a practical power analyzer for transformer testing, suitable for transformer manufacturers, transformer repair facilities, testing laboratories and quality-control departments.
Power Analyzer for Motor Testing
The DXL-700 can also be used as a three phase power analyzer for motor testing and electrical motor performance evaluation.
By measuring three-phase voltage, current, active power, power factor and frequency, the analyzer provides important electrical information for evaluating motor operation.
Typical motor-testing applications include:
- Three-phase motor testing
- Induction motor testing
- Motor input power measurement
- Motor current measurement
- Motor voltage measurement
- Motor power factor measurement
- Motor efficiency evaluation
- Motor drive testing
- VFD motor testing
- AC motor testing
- Production testing of motors
Precision power analyzers are widely used in motor and drive development because they can simultaneously evaluate voltage, current, power and harmonics under steady-state and variable operating conditions.
Active Power, Power Factor & Electrical Power Measurement
The DXL-700 provides comprehensive electrical power measurement for three-phase systems.
The analyzer measures active power and power factor while monitoring the associated voltage and current parameters.
The instrument is therefore suitable for applications involving:
- kW / active power measurement
- Power factor measurement
- Three-phase power measurement
- Electrical load measurement
- Transformer power measurement
- Motor power measurement
- Power supply testing
- Electrical appliance testing
- Industrial equipment testing
For a three-phase system, the total system power can be determined from the individual phase measurements, making three-phase power analysis useful for evaluating electrical equipment performance and energy conversion.
| Parameter | Specification |
|---|---|
| Supply Voltage | 110 V – 220 V AC ±15%, 50/60 Hz |
| Power Consumption | 5 VA Max / 2 W |
| Warm-up Time | 30 minutes (for specified accuracy) |
| Number of Channels | 3 Voltage, 3 Current |
| Maximum Direct Voltage Input | 700 V RMS / 1000 V Peak |
| Voltage Input Impedance | 2.82 MΩ (Phase to Neutral) |
| Maximum Direct Current Input | 80 A RMS / 113 A Peak |
| Voltage Multiplier (PT Scaling) | 0.01 to 500.00 |
| Current Multiplier (CT Scaling) | 0.01 to 500.00 |
| Power Multiplier (Watt Scaling) | 0.001 to 2.000 |
| Recommended Current Transformer | 20 VA to 100 VA, Class 0.1 |
| Basic Voltage Accuracy | ±0.1% of Reading |
| Basic Current Accuracy | ±0.1% of Reading |
| Basic Power Accuracy | ±0.2% of Reading |
| Frequency Range | 30 Hz – 200 Hz |
| Harmonic Analysis | Up to 32nd Harmonic |
| Display | 4 × 20 Character Jumbo LCD |
| Operating Temperature | 10°C to 45°C |
| Operating Humidity | 20% to 75% RH (Non-condensing) |
| Instrument Dimensions | Length: 330 mm Width: 518 mm Height: 183 mm |
| Weight | 4.7 kg (Main Unit) |
Key Features of DXL-700
- Precision 3 Phase Power Analyzer
- Digital three-phase electrical power measurement
- Single-phase and three-phase AC measurement
- Four-quadrant power measurement
- High accuracy at low power factor
- 0.1% R+R basic accuracy
- True RMS voltage measurement
- True RMS current measurement
- Mean and peak voltage/current measurement
- Active power measurement
- Power factor measurement
- Frequency measurement
- Harmonic measurement up to 31st order
- CT/PT ratio scaling
- Auto and manual measurement range selection
- Phase-to-phase measurement
- Phase-to-neutral measurement
- Two-wattmeter measurement method
- Selectable measurement speed
- Panel-mountable enclosure
- 22-key user interface
- Suitable for distorted waveforms
- Suitable for transformer testing
- Suitable for motor testing
- Suitable for power electronics testing
- Suitable for industrial and laboratory applications
The DXL-700 can be used for a wide range of single-phase and three-phase electrical measurement applications, including:
Transformer Testing
Transformer no-load testing, load testing, loss measurement, voltage measurement, current measurement, power-factor measurement and harmonic analysis.
Motor Testing
Three-phase motor input power, voltage, current, power factor, frequency and harmonic measurement.
Power Electronics Testing
Testing of converters, inverters, switching power supplies, AC drives and other power-electronic equipment.
Electrical Appliance Testing
Measurement of electrical power consumption and operating parameters of AC electrical appliances and equipment.
Industrial Power Measurement
Three-phase voltage, current, active power, power factor, frequency and harmonic measurement in industrial electrical systems.
Laboratory Testing
Precision electrical power measurement for research, product development, comparative testing and quality control.
What is the DXL700 Three-Phase Power Analyzer used for?
The DXL700 is designed to accurately measure electrical parameters in single-phase and three-phase AC systems. It is used for transformer testing, motor testing, power quality analysis, energy audits, laboratory measurements, and industrial maintenance.
Which electrical parameters can the DXL700 measure?
The DXL700 measures a comprehensive range of electrical parameters, including:
- RMS Voltage
- RMS Current
- Apparent Power (kVA)
- Power Factor
- Frequency
- Harmonics
Can the DXL700 be used with Current Transformers (CTs) and Potential Transformers (PTs)?
Yes. The analyzer supports operation with external CTs and PTs, making it suitable for measuring high-current and high-voltage industrial systems.
Can the DXL700 measure both balanced and unbalanced three-phase systems?
Yes. The DXL700 accurately measures both balanced and unbalanced loads, making it suitable for real-world industrial power systems where phase loading is often unequal.
How often should the DXL700 be calibrated?
For optimum accuracy, annual calibration is generally recommended.
What wiring configurations are supported?
The DXL700 supports common power system configurations, including:
- 4 Wire method – RYB -Black
- 3 Wire method – Phase to Phase connection for 3 Phase system
- Two Watt Meter Method – 3rd phase is disabled
This allows it to be used across a wide range of industrial and commercial applications.
Why is True RMS measurement important?
True RMS measurement ensures accurate readings even when voltage or current waveforms are distorted by nonlinear loads such as VFDs, UPS systems, inverters, and switched-mode power supplies. It provides more reliable measurements than average-responding meters.
Can the DXL700 analyze harmonics?
Yes. The DXL700 can analyze voltage and current harmonics, helping identify power quality issues caused by nonlinear loads and electronic equipment.
Why is harmonic analysis important?
Excessive harmonics can lead to:
- Transformer overheating
- Increased energy losses
- Motor vibration
- Reduced equipment life
- Poor power factor
- Malfunction of sensitive electronic equipment
Monitoring harmonics helps improve overall power quality.
Which industries commonly use the DXL700?
The DXL700 is widely used in:
- Transformer manufacturing
- Motor manufacturing
- Electrical equipment testing
- Industrial maintenance
- Power utilities
- Research laboratories
- Educational institutions
- Calibration laboratories
Selectable Measurement Speed
The DXL-700 provides selectable measurement speed, allowing the operator to prioritize rapid response during setup or stable, accurate readings during final measurement.
This is particularly useful during transformer testing and other production test procedures.
A fast measurement mode can be used while adjusting the test voltage or current, while a more accurate measurement mode can be selected when recording the final test result.
This improves productivity and reduces the time required for routine three-phase electrical testing.
CT / PT Ratio Scaling
The DXL-700 supports CT and PT ratio scaling, allowing the analyzer to be used with external current transformers and potential transformers.
CT/PT scaling is useful when measuring electrical systems where the actual voltage or current exceeds the analyzer’s direct measurement range.
Typical applications include:
- Transformer testing
- High-current testing
- Industrial power measurement
- Distribution equipment testing
- Electrical panel testing
- Motor testing
- Laboratory test systems
The ability to configure CT and PT ratios makes the DXL-700 a flexible industrial power analyzer and three-phase electrical measurement instrument.
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