2509

The Yokogawa 2509 YEW Digital Wattmeter is a versatile and high-performing electrical measuring instrument designed for various applications in power systems. This digital wattmeter, developed by Yokogawa Electric Corporation, is an excellent choice for those seeking accuracy, reliability, and ease of use in their power measurement needs.

The Yokogawa 2509 YEW Digital Wattmeter is a single-phase, power quality analyzer that measures true RMS current and voltage simultaneously. It can measure and display real power, apparent power, power factor, energy, and power factor angle. The device is equipped with a large, backlit LCD display that shows all essential measurements and diagnostic information.

The wattmeter has a wide measuring range of 0.25 to 500 A for current and 100 V to 1000 V for voltage. This range makes it suitable for various applications, including power distribution systems, industrial plants, and test laboratories. The device also features overload and overvoltage protection, ensuring its durability and longevity.

The Yokogawa 2509 YEW Digital Wattmeter offers high accuracy, with a typical accuracy of 0.5% for current and 0.2% for voltage. It also features a high resolution of 0.01 A for current and 0.01 V for voltage, enabling precise measurement and analysis of power systems.

The wattmeter comes with various communication interfaces, including RS-232C, RS-485, and IEC 60417-25-1. This connectivity allows for easy integration with SCADA systems, data loggers, and other automation systems, making it an excellent choice for remote monitoring and control applications.

The Yokogawa 2509 YEW Digital Wattmeter is also known for its user-friendly design. It features a keypad for easy access to functions and settings, and it has a built-in help function to guide users through the measurement and analysis process. The device is also equipped with a backlit keypad and a large, backlit LCD display, ensuring easy readability in low-light conditions.

In summary, the Yokogawa 2509 YEW Digital Wattmeter is a versatile and high-performing electrical measuring instrument designed for various power measurement applications. Its wide measuring range, high accuracy, and user-friendly design make it an excellent choice for those seeking a reliable and easy-to-use power measurement solution. Its communication interfaces enable easy integration with other automation systems, making it an ideal choice for remote monitoring and control applications.

The Yokogawa 2509 YEW Digital Wattmeter is a versatile and accurate measuring instrument widely used in various industries, particularly in power systems and electrical applications. Considering the advantages and disadvantages of purchasing this device can help potential buyers make an informed decision.

1. High Accuracy: The Yokogawa 2509 YEW Digital Wattmeter offers high measurement accuracy, making it suitable for applications that require precise readings. It can measure active and reactive power, power factor, and voltage.

2. Wide Measuring Range: This wattmeter comes with a broad measuring range, from 0.01 to 1000 kW, making it adaptable to various applications and power levels.

3. Digital Display: The digital display is clear, easy to read, and offers various measurement parameters, making it convenient for users to monitor power consumption and other relevant data.

4. Multifunctional: The Yokogawa 2509 YEW Digital Wattmeter is not only a wattmeter but also a voltmeter and ammeter, providing multiple functions in one device.

5. Protection Relays: This device comes with built-in protection relays, which can detect and respond to overcurrent, overvoltage, and undervoltage conditions, ensuring the safety and reliability of the power system.

1. Cost: The Yokogawa 2509 YEW Digital Wattmeter is relatively expensive compared to other wattmeters in the market. However, its high accuracy, wide measuring range, and multifunctional features justify the investment for many industries.

2. Complexity: The device might be more complex than basic wattmeters, which could require additional time and resources for installation and setup. However, the benefits it offers can outweigh the initial complexity.

3. Limited Connectivity: The Yokogawa 2509 YEW Digital Wattmeter does not come with built-in communication capabilities, which can limit its integration with other systems and data collection capabilities.

The Yokogawa 2509 YEW Digital Wattmeter is a high-performance, multifunctional measuring instrument designed for industrial applications that require precise power measurements and protection features. Its advantages, such as high accuracy, wide measuring range, digital display, and built-in protection relays, outweigh the disadvantages, which include cost, complexity, and limited connectivity.

If you are looking for a high-accuracy, multifunctional wattmeter for industrial applications, the Yokogawa 2509 YEW Digital Wattmeter is an excellent choice. Its advanced features and capabilities make it a valuable investment for industries that require precise power monitoring and protection. However, if you have a limited budget or only require basic wattmeter functions, other more affordable options may be more suitable for your needs.

Details:

Power tested, display is good, all buttons in good condition, no power adapter included, left tilt stand damage.

specifications testmultimeters:

• brand: Yokogawa
• mpn: 2509
• country of origin: Japan

payments testmultimeters:

• credit card: visa
• other
• wallet: apple-pay

seller testmultimeters:

• rating: 98.2%
• city: atlanta, georgia
• # reviews: 2321

offer testmultimeters:

• in stock #: 3
• sold #: 5
• started: march 18, 2026
• availability: in stock
• options: ship-to-home
• prices: $125.00–$142.80
• item condition: Used

general testmultimeters:

• category: Business & Industrial > Test, Measurement Inspection > Detectors > Multimeters

returns testmultimeters:

• policy: returns accepted
• time: 30 days
• method: money back
• paid by: seller

shipping testmultimeters:

• class: standard
• carrier: usps
• transit: 6-11 days
• type: calculated
• service: usps ground advantage

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