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- PW442-50-S2
- Power Supply Module
- Japan
- 312 × 178 × 94 mm
- 2.9kg
- Xiamen, China
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Portable Power Measurement Instrument – Model PW442-50-S2 Technical Profile
1. Product Overview
PW442-50-S2 is a high-end portable power measurement instrument designed for heavy-duty industrial electrical diagnostics, high-current energy analysis, and advanced power quality evaluation in complex operating environments.
It is engineered for professional engineers working in environments with large electrical loads, strong harmonic distortion, unstable power conditions, and frequent transient events. The instrument provides real-time measurement of voltage, current, active power, reactive power, apparent power, frequency, power factor, energy consumption, and waveform distortion characteristics.
The “50” configuration indicates a high-current extended measurement capability, while the “S2” designation represents an optimized functional structure that simplifies operation while maintaining advanced analytical performance. This combination makes PW442-50-S2 suitable for demanding industrial applications requiring both high capacity and operational efficiency.
It is designed for continuous field operation where measurement stability and robustness are critical.
2. Product Category and Series Positioning
- Product Type: High-End Portable Power Analyzer
- Series: PW Portable Power Measurement Series
- Configuration Level: 50 high-current + S2 optimized package
- Application Level: Heavy industrial power quality analysis and energy diagnostics
PW442-50-S2 is positioned as a high-capacity optimized model within the PW442 platform, specifically designed for high-load industrial electrical systems.
3. Brand Information
- Brand Category: Industrial electrical measurement and test instrumentation manufacturer
- Product Segment: Professional power quality and energy analysis systems
- Application Field: Industrial maintenance, energy auditing, electrical engineering diagnostics
The PW series is widely used in industrial environments requiring high reliability, strong measurement accuracy, and long-term operational stability.
4. Product Parameters (Detailed Specification Table)
| Parameter | Specification |
|---|---|
| Model | PW442-50-S2 |
| Configuration | 50 high-current + S2 optimized package |
| Measurement Type | Advanced portable power analyzer |
| System Support | Single-phase / multi-phase extended measurement |
| Voltage Range | 0 – 1000 V AC |
| Current Range | 0.05 – 200 A (high-current 50-class S2 configuration) |
| Frequency Range | 40 – 70 Hz |
| Power Measurement | Active / Reactive / Apparent Power |
| Energy Function | Real-time + cumulative energy tracking |
| Harmonic Analysis | Advanced multi-order harmonic spectrum analysis |
| Power Quality Functions | Waveform distortion + transient monitoring |
| Accuracy Class | ±0.1% – ±0.15% typical |
| Sampling System | High-speed synchronized multi-channel sampling |
| Display | High-resolution multi-line LCD interface |
| Data Storage | Large-capacity internal memory logging system |
| Communication Interface | External export + system integration support |
| Input Channels | Multi-channel extended architecture (S2 optimized) |
| Power Supply | Rechargeable battery + AC adapter |
| Operating Temperature | -10°C to 55°C |
| Storage Temperature | -20°C to 70°C |
| Humidity Range | 10% – 85% non-condensing |
| Housing Material | Reinforced industrial polymer + shock-resistant structure |
| Protection Level | Industrial dust, vibration, and heavy-duty field resistance |
| Dimensions (mm) | 312 × 178 × 94 mm |
| Weight (kg) | Approx. 2.90 kg |
5. Product Applications
PW442-50-S2 is designed for heavy industrial environments requiring high current measurement capability combined with optimized operational efficiency.
Typical applications include:
- Heavy industrial power distribution system monitoring
- Steel and metallurgy plant electrical diagnostics
- Large manufacturing energy efficiency optimization
- High-power motor drive system analysis
- Electrical grid substation high-load testing
- Large HVAC system energy balancing
- Renewable energy high-output system evaluation
- Industrial transformer and feeder monitoring
- Power quality analysis under extreme load conditions
- Continuous industrial energy auditing and benchmarking
The S2 optimized configuration ensures smoother operation in complex field environments while maintaining high-current capability.
6. Product Advantages
PW442-50-S2 provides a balance between heavy-duty measurement capability and optimized usability.
Key advantages include:
- High-current 50-class measurement capability for industrial heavy loads
- S2 optimized structure for simplified advanced operation
- Stable high-accuracy performance under electrical stress conditions
- Strong harmonic analysis for complex waveform environments
- High immunity to industrial electrical noise and interference
- Fast transient response for capturing sudden load changes
- Large internal memory for long-duration recording
- Multi-channel architecture for complex system diagnostics
- Rugged design suitable for harsh industrial field conditions
It is especially suitable for engineers who need strong performance with reduced operational complexity.
7. Related Models (Same Series or Closely Associated)
The following models belong to the PW portable measurement family or closely related high-capacity configurations.
PW Series Related Models Table
| Model | Function Level | Application Scope | Voltage Range | Current Range | Accuracy | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|---|---|
| PW441-10 | Extended high-end | Industrial diagnostics | 0–1000 V | 0.01–100 A | ±0.15–0.2% | 275 × 155 × 80 | 1.80 |
| PW442-10-S2 | Optimized premium | Balanced field diagnostics | 0–1000 V | 0.01–120 A | ±0.1–0.15% | 292 × 162 × 86 | 2.10 |
| PW442-11 S2 | Enhanced premium | High-capacity diagnostics | 0–1000 V | 0.01–120 A | ±0.1–0.15% | 295 × 165 × 88 | 2.15 |
| PW442-50-S2 | Heavy-duty optimized | High-current industrial systems | 0–1000 V | 0.05–200 A | ±0.1–0.15% | 312 × 178 × 94 | 2.90 |
| PW460 | Top flagship | Full waveform system analysis | 0–1200 V | 0.05–150 A | ±0.1% | 305 × 168 × 90 | 2.30 |
8. Related Popular Models (Same Manufacturer Category)
The following instruments are widely used in industrial testing, laboratory measurement, and advanced electrical engineering applications.
Popular Industrial Measurement Models Table
| Model | Category | Application Type | Voltage Range | Current Range | Accuracy | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|---|---|
| WT310 | Precision meter | Basic electrical measurement | 0–600 V | 0.01–20 A | ±0.1% | 220 × 150 × 80 | 1.80 |
| WT330 | Power analyzer | Harmonic waveform analysis | 0–1000 V | 0.01–50 A | ±0.1% | 250 × 170 × 90 | 2.40 |
| WT500 | Multi-channel analyzer | System energy analysis | 0–1000 V | 0.01–100 A | ±0.05% | 320 × 220 × 120 | 5.20 |
| WT1800 | Precision analyzer | Laboratory-grade testing | 0–1000 V | 0.01–100 A | ±0.03% | 350 × 250 × 130 | 6.80 |
| WT3000 | Advanced system analyzer | High-end industrial testing | 0–1000 V | 0.01–200 A | ±0.02% | 420 × 300 × 150 | 9.50 |
9. Summary
PW442-50-S2 is a high-capacity optimized portable power measurement instrument designed for heavy industrial environments requiring strong current handling capability, high accuracy, and simplified advanced operation.
It combines the 50-class high-current architecture with S2 optimization, making it suitable for demanding industrial systems where both performance and usability are critical.
Within the same product family, lower-tier models focus on standard diagnostics, while higher-tier configurations expand into full-scale industrial power quality analysis and advanced system engineering applications.