Your Power Measurement Tool
Follow us to power measurement solutions fitting your application needs and goals in each of three key environments: Research and Development (R&D), Manufacturing and Maintenance
Power Measurement for R&D, Manufacturing and Maintenance

Create ever-more efficient designs, with accurate power measurement insights.
- PW8001 Power Analyzer – our flagship instrument for advanced power measurement: the right choice for wide bandgap applications analysis.
- The PW3390 Power Analyzer is the ideal solution for everyone looking for an accurate yet compact 4-channel power analyzer.
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Rely on accurate power measurements to ensure stable quality output.
- PW3335/36/37 Power Meters for single- to three-phase power measurements.
- PW3390 Power Analyzer for advanced efficiency analysis.
- LR8102 Data Logger with the M7103 Module for synchronized multi-channel power and efficiency monitoring.
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Control your power: detect, diagnose, and document with confidence.
- PW3360 and PW3365 Series Clamp On Power Loggers for comprehensive energy logging and efficiency analysis.
- PQ3198 and PQ3100 Power Quality Analyzers for detailed assessment and troubleshooting of power supply anomalies.
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Expert tips: key specs to get it right
R&D: Precision power analyzers you can trust!
Engineering Without Limits
The PW8001 Power Analyzer is our flagship power analyzer designed for high-precision measurement and advanced power analysis. Ideal for engineers working with wide bandgap semi-conductors, it reliably measures 0.1% efficiency improvements. It also enables accurate inverter efficiency measurements, high-frequency inductor analysis, and multi-motor efficiency evaluation.
Portable. Powerful. Precise
Model |
🔗 PW8001 Power Analyzer |
🔗 PW3390 Power Analyzer |
---|---|---|
No. of Channels for power, voltage and current | 8 channels |
4 channels |
Basic accuracy power |
0.03%* | 0.09%* |
Bandwidth | 5 MHz Ideal to optimize SiC inverter and motor efficiency |
200 kHz The choice for renewable power converters efficiency measurements |
Current measurement | 2000 A with external current sensors |
*Instrument accuracy at 50/60 Hz
Manufacturing: Reliability and system integration
In production environments, quality and consistency are everything. Our power measurement instruments support your teams with dependable tools that simplify final checks, ensure compliance, and maintain process stability.
Reliable, Cost-Effective Power Measurement
Modular, Multi-channel Testing Solution
Model | 🔗 PW3335 Power Meter |
🔗 PW3336 Power Meter |
🔗 PW3337 Power Meter |
🔗 PW3390 Power Analyzer |
🔗 LR8102 Data Logger + M7103 Power Module |
---|---|---|---|---|---|
Channels | 1 | 2 | 3 | 4 | 12 |
Bandwidth | 100 kHz | 200 kHz | 100 kHz | ||
Power accuracy | 0.15 %* | 0.09 %* | 0.07 %* | ||
Current measurement method | 20 A / direct |
50 A / direct |
2000 A / with current sensors |
* Instrument accuracy at 50/60 Hz
Maintenance: Compact & easy-to-use power tools.
Power loggers: understand actual power consumption
Model | 🔗 PW3360-20 Clamp-on Power Logger |
🔗 PW3360-21 Clamp-on Power Logger |
🔗 PW3365 Clamp-on Power Logger |
---|---|---|---|
Supported wiring | 1P2W(x 3), 1P3W, 3P3W, 3P4W (50/60 Hz only) |
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Harmonics measurement | None | Up to 40th order | Up to 13th order |
Voltage measurement method | Metal contact | Contactless | |
Power accuracy) | 0.4 %* | 2.3 %* |
* Instrument accuracy at 50/60 Hz
Power quality analyzers: For field diagnostics and troubleshooting
Model |
🔗 PQ3100 Power Quality Analyzer |
🔗 PQ3198 Power Quality Analyzer |
---|---|---|
Supported wiring | 1P2W, 1P3W, 3P3W, 3P4W (50/60 Hz only), DC, 1 power line | 1P2W, 1P3W, 3P3W, 3P4W (50/60/400 Hz only), DC, 2 power line |
Harmonics measurement | Up to 50th order | Up to 50th order (Higher frequency from 2 kHz to 80 kHz) |
IEC 61000-4-30 Ed,3 Class* | Class S | Class A |
Power accuracy | 0.3 %* |
* Instrument accuracy at 50/60 Hz
**According to IEC 61000-4-30 Ed.3, Class A offers higher accuracy and reliability in power quality measurements compared to Class S. It requires strict measurement procedures, precise time synchronisation and a wider range of parameters, making it suitable for international comparisons and detailed analyses. In contrast, Class S is designed for basic monitoring with limited accuracy and fewer functions.
Proven solutions for real-world applications
Wide bandgap power converter and inverter analysis
PMSM* analysis
Grid monitoring & maintenance
Renewable energy power converter production
Industrial HVAC efficiency monitoring
From Clamp-On Convenience to Top-Level Accuracy
Current sensors for PW8001, PW3390 and LR8102
High-accuracy Pass-through Current Sensors
Highest accuracy for usage in inverter efficiency evaluation and inductor/transformer loss evaluation.
- Excellent basic accuracy ±0.02 % rdg.
- High noise resistance: CMRR ≥ 120 dB (100 kHz)
- Excellent phase characteristics ±0.08° (50/60 Hz)
- Wide bandwidth DC to 10 MHz
AC/DC Precision Current Clamps
- Very good basic accuracy: ±0.07% rdg.
- Quick and easy installation
- Wide bandwidth DC to 2 MHz
- Wide Operating temperature range: -40°C to 85°C
Current clamps for Clamp-on Power Loggers PW3360 and PW3365
AC Current Clamps
- Good basic accuracy ±0.3% rdg
- Quick and easy setup
- Bandwidth 40 Hz to 5 kHz
- BNC connector with voltage output
Current clamps for Power Quality Analyzers PQ3100 and PQ3198
AC & AC/DC Current Clamps
- Good basic accuracy ±0.3% rdg.
- Quick and easy setup
- Bandwidth DC to 10 kHz
- Operating temperature range: -25℃ to 65℃
- PL14 connector combining power supply and auto range recognition