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- 262 × 142 × 72 mm
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Portable Power Measurement Instrument – Model PW481-01 Technical Profile
1. Product Overview
PW481-01 is a high-precision portable power measurement instrument designed for industrial electrical diagnostics, energy analysis, and power quality monitoring in field and laboratory environments.
It is engineered for engineers who need stable and accurate measurement of complex electrical systems, including nonlinear loads, harmonic distortion environments, and fluctuating industrial power networks. The instrument supports measurement of voltage, current, active power, reactive power, apparent power, frequency, power factor, energy consumption, and waveform characteristics.
The “01” configuration typically represents a specific input or configuration variant within the PW481 platform, often optimized for standard industrial measurement setups with balanced functionality and portability.
PW481-01 focuses on reliable performance, compact design, and stable data acquisition for general-purpose industrial power analysis.
2. Product Category and Series Positioning
- Product Type: Portable Power Quality Analyzer
- Series: PW Portable Power Measurement Series
- Configuration Level: Standard configuration variant (01 version)
- Application Level: Industrial electrical diagnostics and energy monitoring
PW481-01 is positioned as a balanced configuration model within the PW481 platform, suitable for general industrial and maintenance applications.
3. Brand Information
- Brand Category: Industrial electrical measurement and instrumentation manufacturer
- Product Segment: Power quality analysis and energy measurement systems
- Application Field: Industrial maintenance, energy auditing, electrical system diagnostics
The PW series is widely used in industrial environments requiring reliable measurement performance, stable operation, and long-term durability.
4. Product Parameters (Detailed Specification Table)
| Parameter | Specification |
|---|---|
| Model | PW481-01 |
| Measurement Type | Portable power quality analyzer |
| System Support | Single-phase / multi-phase measurement |
| Voltage Range | 0 – 1000 V AC |
| Current Range | 0.01 – 80 A (standard configuration) |
| Frequency Range | 40 – 70 Hz |
| Power Measurement | Active / Reactive / Apparent Power |
| Energy Function | Real-time + cumulative energy tracking |
| Harmonic Analysis | Standard harmonic spectrum analysis |
| Power Quality Functions | Waveform monitoring + distortion analysis |
| Accuracy Class | ±0.15% – ±0.2% typical |
| Sampling System | High-speed synchronized sampling |
| Display | Multi-line LCD display |
| Data Storage | Internal memory logging system |
| Communication Interface | External data export support |
| Input Channels | Multi-channel basic configuration |
| 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 casing |
| Protection Level | Dust and vibration resistant structure |
| Dimensions (mm) | 262 × 142 × 72 mm |
| Weight (kg) | Approx. 1.50 kg |
5. Product Applications
PW481-01 is designed for general industrial environments requiring stable and reliable electrical measurement capability.
Typical applications include:
- Industrial power distribution monitoring
- Manufacturing plant energy consumption analysis
- Motor and drive system basic diagnostics
- HVAC system electrical load measurement
- Electrical panel commissioning and inspection
- Renewable energy system monitoring
- Substation and feeder line basic diagnostics
- Industrial energy efficiency evaluation
- Field maintenance and troubleshooting
- General power quality assessment
It is suitable for engineers requiring dependable portable measurement tools for routine industrial applications.
6. Product Advantages
PW481-01 offers a balanced combination of simplicity, reliability, and measurement accuracy.
Key advantages include:
- Stable measurement performance for industrial environments
- Compact and lightweight portable design
- Reliable harmonic and waveform analysis capability
- Fast response for dynamic load changes
- Multi-channel measurement support for basic systems
- Large internal storage for data logging
- Strong durability for field operation
- Easy operation with simplified configuration
It is widely used for routine industrial diagnostics and maintenance tasks.
7. Related Models (Same Series or Closely Associated)
The following models belong to the PW portable measurement family or closely related configurations.
PW Series Related Models Table
| Model | Function Level | Application Scope | Voltage Range | Current Range | Accuracy | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|---|---|
| PW400 | Entry advanced | Basic industrial diagnostics | 0–1000 V | 0.01–80 A | ±0.2% | 255 × 138 × 70 | 1.30 |
| PW481-01 | Standard configuration | General industrial measurement | 0–1000 V | 0.01–80 A | ±0.15–0.2% | 262 × 142 × 72 | 1.50 |
| PW481 | Mid-to-high level | Enhanced diagnostics | 0–1000 V | 0.01–100 A | ±0.1–0.2% | 265 × 145 × 75 | 1.55 |
| PW420 | High-end | Harmonic waveform analysis | 0–1200 V | 0.05–120 A | ±0.15% | 280 × 155 × 78 | 1.75 |
| PW460 | Flagship system | Full waveform analysis | 0–1200 V | 0.05–150 A | ±0.1% | 305 × 168 × 88 | 2.25 |
8. Related Popular Models (Same Manufacturer Category)
The following instruments are widely used in industrial testing, laboratory analysis, 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
PW481-01 is a standard configuration portable power measurement instrument designed for general industrial environments requiring reliable, stable, and easy-to-operate electrical diagnostics.
It provides a practical balance between portability and measurement capability, making it suitable for routine maintenance, energy auditing, and basic power quality analysis.
Within the same product family, higher configurations offer enhanced harmonic analysis and extended measurement range, while lower emphasis models focus on simplified measurement and entry-level industrial applications.