Dwyer
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Dwyer 477AV Handheld Digital Manometer, 477AV-2, 0-40 wc, Air Velocity/Flow Modes
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Dwyer 477AV Handheld Digital Manometer, 477AV-2, 0-40 wc, Air Velocity/Flow Modes
The upgraded SERIES 477AV HANDHELD DIGITAL MANOMETER provides accurate differential pressure measurements with additional features like flow and velocity calculation and 40 reading storage
Dwyer 477AV Handheld Digital Manometer, 477AV-2, 0-40" wc, Air Velocity/Flow Modes
Item #: 28337652

Dwyer 477AV Handheld Digital Manometer, 477AV-2, 0-40" wc, Air Velocity/Flow Modes

Item #: 28337652

XCD 1111

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The upgraded SERIES 477AV HANDHELD DIGITAL MANOMETER provides accurate differential pressure measurements with additional features like flow and velocity calculation and 40 reading storage
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What Stands Out

Dual Functionality
This manometer offers both air velocity and flow measurement modes, making it versatile for various applications in HVAC systems and outdoor testing environments.
High Accuracy
Engineered for precision, the Dwyer 477AV guarantees reliable readings from 0-40 inches of water column, ensuring accurate assessments in critical airflow management tasks.
User-Friendly Design
With its handheld portability and intuitive interface, the 477AV is designed for ease of use, allowing professionals to perform measurements swiftly without complex setups.

Product Details

Upgrade your measurement accuracy with the Dwyer® 477AV Handheld Digital Manometer. Measure pressure, flow, and velocity with ease. Get ±0.5% full scale accuracy. Shop now at Ubuy Antigua and Barbuda.
  • MANUFACTURER DIRECT handheld digital manometer
  • Pressure limits: 10 psig, Temperature limits: 0 to 140°F, Compensated Temp Limits: 32 to 104°F, Storage Temp Limits: -4 to 176°F
  • 0.42 (10.6 mm) 4 digit LCD display
  • Power Requirements: 9 V Alkaline battery, installed non-functional, user replaceable
  • Provides accuracy and conserves time with built-in air velocity and flow calculations
  • Features backlight display, low battery voltage indication, automatic shut-off after 20 minutes, and audible visual alarm for over flow or pressure

Who Should Buy?

Suitable For
  • HVAC Technicians

    Ideal for HVAC professionals needing precise air pressure and flow measurements in various systems and environments.

  • Indoor Air Quality

    Useful for environmental specialists assessing air quality through monitoring air velocity and pressure differentials.

  • Field Measurements

    Perfect for field technicians requiring portable, accurate readings for airflow and pressure in testing locations.

Not Suitable For
  • Home Users

    Not designed for general home use; consumer-grade users may find it overly complex for basic needs.

Product Description

Dwyer 477AV Handheld Digital Manometer, 477AV-2, 0-40" wc, Air Velocity/Flow Modes

About This Item

Introducing the Dwyer® 477AV Handheld Digital Manometer - the ultimate tool for accurate pressure, flow, and velocity measurements. With its upgraded features and impressive accuracy, this digital manometer is a must-have for professionals in the HVAC industry. The 477AV utilizes a highly accurate differential pressure sensor, ensuring ±0.5% full scale accuracy. It provides detailed readings of negative, positive, and differential pressure, allowing you to easily assess your instrumentation or equipment's performance. Equipped with selectable English and metric units, this handheld manometer gives you the freedom to choose the measurement system that suits your needs.

Say goodbye to manual calculations - the built-in air velocity and flow calculations save you time and effort. With the ability to save up to 40 readings, the 477AV is perfect for HVAC technicians conducting Pitot tube traverses of airflow readings across a duct. This feature allows for easy tracking and analysis of data, ensuring accurate and consistent measurements. Designed for convenience, the digital display of this manometer features a backlight for easy visibility in darker areas. It also monitors battery conservation and displays low battery voltage, preventing unexpected power loss during crucial measurements.

Additionally, the device automatically shuts off after 20 minutes to conserve battery life. This feature can be adjusted or disabled as per your preference. Calibrating the Series 477AV is a breeze - simply set zero and span values to achieve accurate results. The damping feature compensates for fluctuating readings, providing a stable and reliable readout you can trust.

Plus, the audible and visual alarm alerts you to over flow, over pressure, or over velocity situations, ensuring safety and preventing damage. The Dwyer® 477AV Handheld Digital Manometer comes with a comprehensive menu structure outline printed on the back of its durable aluminum casing, making operation quick and easy. It also includes written instructions, a wrist strap, and a 9 Volt alkaline battery for immediate use. Don't settle for less when it comes to precision and reliability. Choose the Dwyer® 477AV Handheld Digital Manometer for all your pressure, flow, and velocity measurement needs.

Order yours today and experience the difference this exceptional tool can make in your work.

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Customer Questions & Answers

  • Question: What are the main features of the Dwyer® 477AV Handheld Digital Manometer?

    Answer: The Dwyer® 477AV features a digital display that provides accurate pressure readings from 0 to 40 inches of water column (wc). It includes air velocity and flow modes, making it versatile for various applications, such as HVAC system tests or indoor air quality assessments. Its ergonomic design allows for comfortable handling, and the user-friendly interface enables quick readings, crucial for professionals working on-site. This manometer is ideal for technicians who require precise measurements in real-time.
  • Question: How does the Dwyer® 477AV measure air velocity?

    Answer: The Dwyer® 477AV uses built-in sensors to measure air velocity accurately. By integrating the pressure readings measured in the airflow with the formula for calculating velocity, you can assess airflow rates effectively. It's particularly useful in HVAC applications where knowing the air speed is essential for system optimization. For example, technicians can use it to diagnose airflow issues in duct systems, ensuring systems are operating efficiently.
  • Question: What applications are suitable for the Dwyer® 477AV?

    Answer: The Dwyer® 477AV is suitable for a wide range of applications, including HVAC system diagnostics, indoor air quality testing, and research laboratory environments. It is particularly effective for measuring pressure in vents, ducts, and other airflow areas where precision is crucial. This manometer is essential for field technicians who assess and monitor air systems, helping maintain optimal conditions in commercial and residential buildings.
  • Question: Is the Dwyer® 477AV portable?

    Answer: Yes, the Dwyer® 477AV is designed to be lightweight and portable, making it ideal for on-the-go technicians. Its compact size allows for easy transport in tool bags, ensuring you have the necessary equipment readily available during service calls. Whether you’re working in tight spaces like ducts or large areas, this manometer provides flexibility without sacrificing measurement capabilities.
  • Question: What type of display does the Dwyer® 477AV have?

    Answer: The Dwyer® 477AV features a clear digital display that allows for easy reading of measurements in various modes. The LCD screen provides a backlit option, which is particularly useful for reading in low-light environments. This feature is beneficial when you are working in confined or poorly lit areas, ensuring that accurate readings can be taken without additional lighting equipment.
  • Question: Can the Dwyer® 477AV store measurements?

    Answer: The Dwyer® 477AV does not have a built-in memory function for storing measurements. However, it provides real-time data, allowing users to take note of critical readings on-site. For tasks that require ongoing monitoring or serial data logging, operators often manually record readings or use the information to guide immediate adjustments in airflow systems.
  • Question: What is the operating temperature range for the Dwyer® 477AV?

    Answer: The Dwyer® 477AV operates effectively within a temperature range of 32°F to 122°F (0°C to 50°C). This range makes it suitable for most indoor applications, especially in HVAC environments where temperatures typically fall within these limits. Operators should keep this range in mind while conducting tests to ensure accurate and reliable readings.
  • Question: How do you calibrate the Dwyer® 477AV?

    Answer: Calibration of the Dwyer® 477AV typically involves using reference standards to ensure accuracy. Users may need to follow the manufacturer’s instructions for zeroing the device in ambient conditions before taking measurements. Regular calibration is important for maintaining precise readings, especially when the manometer is used frequently or in different environmental conditions.
  • Question: What is the advantage of using a handheld manometer like the Dwyer® 477AV?

    Answer: Using a handheld manometer such as the Dwyer® 477AV offers the advantage of portability and ease of use. It allows technicians to take quick and accurate measurements on-site without the need for bulky equipment. This convenience is particularly advantageous when working in challenging environments like rooftops or cramped mechanical rooms, facilitating prompt decision-making based on reliable data.
  • Question: Where can I buy the Dwyer® 477AV Handheld Digital Manometer in Antigua and Barbuda?

    Answer: You can buy the Dwyer® 477AV Handheld Digital Manometer from Ubuy in Antigua and Barbuda. Ubuy offers a reliable platform where you can find this instrument along with a variety of other tools and equipment for HVAC and industrial applications. Their customer support and easy navigation make it simple to purchase the equipment you need.

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XCD 1111

Order now and get it around Saturday, August 08

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Features & Benefits

  • Accurate differential pressure measurement
  • Flow and velocity calculation
  • 40 reading storage
  • Select from different units of measurement
  • Automatic shut-off to prevent battery drain
  • Included wrist strap and 9V alkaline battery

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