Dwyer 477-1 Manometer – Digital
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Description
The Dwyer 477-1 Digital Manometer is a versatile and precise instrument designed for measuring differential pressure in various applications. This digital manometer offers high accuracy and reliability, making it suitable for HVAC systems, cleanrooms, and industrial processes where precise pressure readings are essential. With a wide measurement range and multiple units of measurement, including inches of water column (in H2O), millimeters of water column (mm H2O), kilopascals (kPa), and pounds per square inch (psi), it caters to diverse measurement needs. The device features a large, easy-to-read digital display for clear and quick readings, and its durable construction ensures longevity and usability in challenging environments. Advanced functions such as data hold, auto power off, and minimum/maximum value capture enhance its usability, making the Dwyer 477-1 Digital Manometer a reliable tool for professionals requiring accurate and efficient pressure measurements.
Specifications:
- Model: Dwyer 477-1
- Measurement Range:
- Pressure: ±1.0 in H2O (±0.25 kPa)
- Accuracy: ±0.5% of full scale
- Resolution: 0.001 in H2O
- Units of Measurement: in H2O, mm H2O, kPa, psi
- Display: 0.42″ (10.6 mm) 4-digit LCD
- Power Supply: 9V alkaline battery (included)
- Battery Life: Approximately 100 hours of continuous use
- Dimensions: 5.5″ x 2.8″ x 1.4″ (140 x 71 x 36 mm)
- Weight: 8 oz (227 g)
- Material: Impact-resistant ABS plastic
- Operating Temperature: 32°F to 122°F (0°C to 50°C)
- Storage Temperature: -4°F to 176°F (-20°C to 80°C)
- Features: Data hold function, minimum/maximum value capture, auto power off, low battery indicator
These specifications showcase the Dwyer 477-1 Digital Manometer’s precision, durability, and user-friendly features, making it an essential tool for professionals who require accurate differential pressure measurements in diverse environments.
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- 1-USB Manometer – Handheld – Digital
Laboratory Calibration
Micro Precision operates 36 laboratories globally providing reliable localized support
- Certified metrologists staffing laboratories in North America, Central America, South America, Europe, Asia, and the Middle East
- Comprehensive scopes of accreditation to meet a broad range of customer needs
- Expedited calibration services available
- Pickup and delivery services available
- Environmentally controlled facilities to ensure high quality and accurate calibrations and measurements.
Laboratory Calibration
Micro Precision operates 36 laboratories globally providing reliable localized support
- Certified metrologists staffing laboratories in North America, Central America, South America, Europe, Asia, and the Middle East
- Comprehensive scopes of accreditation to meet a broad range of customer needs
- Expedited calibration services available
- Pickup and delivery services available
- Environmentally controlled facilities to ensure high quality and accurate calibrations and measurements.
Quality Certified Test Equipment Repair Services
When a piece of equipment fails you have the option to repair or replace that item. Oftentimes repair is an economical and efficient solution. Micro Precision’s repair offering provides advantages to our customers:
- Cost effective; often less than OEM
- Efficient; often much better turn-time than the OEM
- Flexibility; willingness to work with customers to meet their needs
- Warranted repairs
- Ability to service many obsolete instruments
Quality Certified Test Equipment Repair Services
When a piece of equipment fails you have the option to repair or replace that item. Oftentimes repair is an economical and efficient solution. Micro Precision’s repair offering provides advantages to our customers:
- Cost effective; often less than OEM
- Efficient; often much better turn-time than the OEM
- Flexibility; willingness to work with customers to meet their needs
- Warranted repairs
- Ability to service many obsolete instruments
Cost Effective Test Equipment Options
From the leasing of specialized electronic equipment for a specific task, to the purchase of physical and dimensional tools, we offer leasing services as well as used test equipment sales. We also locate hard-to-find electronics, and provide flexible options to meet ever-changing equipment needs.
Cost Effective Test Equipment Options
From the leasing of specialized electronic equipment for a specific task, to the purchase of physical and dimensional tools, we offer leasing services as well as used test equipment sales. We also locate hard-to-find electronics, and provide flexible options to meet ever-changing equipment needs.
Our Capabilities
Micro Precision can perform instrument calibration services on equipment from variety of applications for specific industries and lines of business. If you have a calibration need that is not listed in this area, please contact us.
Electrical
Micro Precision accredited electrical calibration lab services with multimeter, multifunction calibrator, oscilloscope, and power supply capabilities.
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Micro Precision accredited optical, light, and fiber optic calibration lab services.
Thermodynamics & Chemical
Micro Precision accredited thermodynamic & chemical calibration lab services with temperature, humidity, life science, and pharma capabilities.
RF - Microwave
Micro Precision accredited RF & microwave calibration lab services.
Mechanical & Dimensional
Micro Precision accredited mechanical and dimensional calibration lab services with pressure, torque, force, flow, velocity, and aircraft jack load capabilities.
Laboratory Standards
Calibration laboratory standards are critical for your organization’s most accurate measurements.
Semiconductor Calibration
Micro Precision utilizes state-of-the-art technology to analyze semiconductor wafer thickness and step height.


