Portable three-phase power network analyzer | power quality meter | harmonic analysis | high accuracy

Technical Specifications

Type: three-phase power quality analyzer
Voltage range: 0 – 400 V
Current input: 0A / 5A (double overload tolerance)
Frequency: 45 – 55 Hz
Phase measurement range: 0 – 359.999°
Transformer ratio accuracy: ±0.5%
Measurement accuracy: high (industrial level)
Warm-up time: < 3 min
Dimensions: 280 × 210 × 60 mm
Weight: ~2 kg
Functions: power quality analysis, spectrum analysis

Functions

Three-phase electrical analysis – allows simultaneous monitoring of voltage, current, and other parameters of all three phases
Power quality analysis – detects voltage fluctuations, disturbances, and grid instability
Spectrum (harmonic) analysis – analyzes harmonics and noise that may interfere with equipment operation
Phase sequence detection – shows correct phase order, important for motor and equipment startup
Phase angle measurement (0–360°) – allows precise evaluation of phase relationships
Voltage measurement (0–400V) – accurately measures network voltage in real time
Current measurement (via CT 0/5A) – allows current measurement using current transformers
Transformer ratio testing – checks accuracy and operation of CT/PT transformers
Fast startup (<3 min) – device is ready for operation in a very short time
Portable design – convenient for on-site use without complex installation

Usage

For advanced home users: Analysis of solar power systems (PV), checking grid stability, monitoring generator systems
For engineers / energy specialists: Power quality analysis in industry, identification of energy losses, harmonic and disturbance analysis, transformer and system testing
For electricians: Testing electrical installations before startup, checking phase sequence, on-site diagnostics, panel and equipment commissioning
Industry / commercial: Production line diagnostics, energy efficiency audits, power quality monitoring

Practical application

Fault diagnostics – quickly identify voltage fluctuations, phase errors, or grid instability on site.
Equipment startup – phase sequence and parameters are checked before connecting motors or systems.
Electrical panel testing – real network data is verified during installation.
Power quality evaluation – harmonics and losses are identified.
Solar system analysis – inverter and grid operation are monitored.

Advantages

High measurement accuracy
Wide range of functions (all-in-one)
Portable and easy to use
Fast startup
Suitable for both diagnostics and analysis

Disadvantages

Requires specific knowledge to fully utilize functions
Not a simple plug & play device for beginners
May require additional current transformers (CT)

Is this device suitable for three-phase networks?
Yes, it is specifically designed for three-phase system analysis.

Can it be used for solar systems?
Yes, it is perfectly suitable for PV system analysis and monitoring.

Does the device measure harmonics?
Yes, it has a spectrum analysis function.

Are additional accessories required?
Current transformers (CT) are often used, depending on the system.