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| Company Information | ||||||||
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| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Product Introduction
The Yokogawa PW501-S1 is an advanced industrial power monitoring device designed for high-precision measurement and control in complex electrical systems. Developed by Yokogawa, a global leader in industrial automation and control, the PW501-S1 integrates reliability, accuracy, and real-time monitoring capabilities to enhance operational efficiency and safety in various industrial environments. Its robust design ensures long-term stability even in challenging industrial conditions, making it an ideal choice for industries requiring critical electrical monitoring.
This device is part of Yokogawa’s PW series of power meters, recognized for their high accuracy, wide measurement range, and seamless integration with SCADA and DCS systems. The PW501-S1 is widely adopted in industries such as power generation, oil and gas, petrochemical, and manufacturing.
Advantages
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High Accuracy: The PW501-S1 offers precise measurements for voltage, current, power, energy, and power factor, reducing operational inefficiencies.
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Real-Time Monitoring: Continuous monitoring allows operators to quickly detect abnormal conditions, enhancing system safety.
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Robust Design: Engineered for industrial environments, it withstands temperature fluctuations, vibration, and dust.
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Integration-Friendly: Compatible with various control systems, including Yokogawa’s CENTUM series, ensuring smooth data acquisition and control.
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Wide Measurement Range: Can handle high voltage and current levels, making it suitable for both low- and high-power applications.
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Data Logging & Analysis: Built-in capabilities for historical data storage allow trend analysis and predictive maintenance.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | PW501-S1 |
| Measurement Type | Electrical Power, Voltage, Current, Energy |
| Accuracy | ±0.2% (typical) |
| Input Voltage | 100–480 V AC |
| Input Current | 0.1–5 A (direct), up to 600 A (CT input) |
| Power Frequency | 50/60 Hz |
| Communication Interface | RS485, Modbus RTU, Ethernet (optional) |
| Display | LCD, 4-digit, backlit |
| Operating Temperature | -10°C to 55°C |
| Storage Temperature | -20°C to 70°C |
| Dimensions (W × H × D) | 130 x 12.8 x 40 mm |
| Weight | 0.1 kg |
| Power Consumption | 5 W |
| Mounting Type | Panel-mounted |
| Protection Class | IP20 |
Product Applications
The PW501-S1 is used extensively in industries that require reliable electrical monitoring and energy management. Typical applications include:
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Power Generation Plants: Monitoring generator outputs, transformer loads, and distribution panels.
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Industrial Manufacturing: Tracking energy consumption in high-power machinery and optimizing operational efficiency.
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Oil & Gas Facilities: Ensuring safe and reliable power supply for critical pumping and processing equipment.
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Commercial Buildings: Energy auditing and load balancing for HVAC systems, lighting, and elevators.
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Renewable Energy Systems: Monitoring photovoltaic or wind turbine output for efficiency and safety analysis.
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Utilities & Substations: Supporting SCADA integration and load monitoring in electrical grids.
Compatible Models / Recommended Accessories
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Yokogawa CT501: Current transformer for high-current measurements.
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Yokogawa PT501: Voltage transformer for accurate voltage inputs.
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Yokogawa PW500 Series Software: Power analysis and data logging tools.
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Yokogawa CENTUM DCS System: For integration and control.
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Communication Modules: RS485 or Ethernet adapters for data acquisition.
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Mounting Kits: Standard panel-mount kits for secure installation.
Installation Instructions
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Panel Preparation: Ensure the panel cutout matches the PW501-S1 dimensions (96 × 96 mm).
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Electrical Connection: Connect input voltage and current according to the wiring diagram.
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Grounding: Properly ground the device to prevent electrical noise and enhance safety.
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Mounting: Secure the meter using panel mounting brackets. Ensure sufficient clearance for wiring and ventilation.
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Communication Setup: Configure RS485 or Ethernet communication if required.
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Power-On & Calibration: Apply power and verify readings against reference instruments before full-scale operation.
Recommended 6 Same-Series / Related Models
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Yokogawa PW501-L1 – Low voltage version, similar accuracy and features.
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Yokogawa PW501-H1 – High current variant with extended measurement range.
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Yokogawa PW501-E1 – Enhanced energy logging capabilities.
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Yokogawa PW501-P1 – Panel-ready version with integrated display.
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Yokogawa PW501-C1 – Compact form factor for limited space installations.
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Yokogawa PW501-R1 – Remote monitoring enabled variant with Modbus.
Recommended 6 Popular Models from Yokogawa (Other Series)
| Model | Type | Measurement Accuracy | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| PW511-S1 | Power Meter | ±0.2% | 96 × 96 × 120 | 0.85 |
| PW521-L1 | Low Voltage Power Meter | ±0.3% | 144 × 144 × 150 | 1.2 |
| PW531-H1 | High Voltage Power Meter | ±0.2% | 96 × 96 × 130 | 0.9 |
| PW541-P1 | Panel-mounted Power Meter | ±0.25% | 120 × 120 × 140 | 1.0 |
| PW551-R1 | Remote Power Monitoring | ±0.2% | 96 × 96 × 125 | 0.95 |
| PW561-E1 | Energy Logging Meter | ±0.15% | 144 × 144 × 150 | 1.3 |
FAQ
Q1: What is the typical accuracy of the PW501-S1?
A1: The device has a typical measurement accuracy of ±0.2%, suitable for industrial monitoring applications.
Q2: Can the PW501-S1 handle high-current inputs?
A2: Yes, with the use of current transformers (CTs), it can measure currents up to 600 A.
Q3: What communication protocols are supported?
A3: The PW501-S1 supports RS485, Modbus RTU, and optionally Ethernet communication.
Q4: Is the device suitable for outdoor installations?
A4: It is designed for indoor, panel-mounted installations with IP20 protection; outdoor use requires additional enclosure protection.
Q5: What is the operating temperature range?
A5: The PW501-S1 operates reliably between -10°C and 55°C.
Q6: Can it store historical data for analysis?
A6: Yes, it includes data logging capabilities to support trend analysis and maintenance planning.
Q7: How is the device mounted?
A7: The device is panel-mounted using standard brackets, ensuring secure and stable installation.
Q8: What industries commonly use the PW501-S1?
A8: Power generation, oil & gas, manufacturing, commercial energy management, and renewable energy sectors.
Q9: Does it require calibration?
A9: Periodic calibration is recommended to maintain high measurement accuracy.
Q10: Can it integrate with SCADA systems?
A10: Yes, it is compatible with Yokogawa CENTUM and other SCADA systems via Modbus or Ethernet.
