Dwyer 475-000 Mark III Series 475 Mark III Digital Manometer

Dwyer 475-000 Mark III Series 475 Mark III Digital Manometer

The Dwyer 475-000 Mark III Series 475 Mark III Digital Manometer is a versatile and reliable instrument designed for precise measurement of positive, negative, and differential pressures in air and compatible combustible gases. Its user-friendly interface and robust construction make it an essential tool for professionals in HVAC, industrial hygiene, and plant engineering.

Key Features

• Measurement Range: Capable of measuring pressures from 0 to 1.000 inches of water column (w.c.), with an accuracy of ±0.5% full scale between 60 to 78°F (15.6 to 25.6°C).
• Durable Construction: Housed in a rugged extruded aluminum case, ensuring durability and protection during transport and use.
• Easy-to-Read Display: Equipped with a large 0.42-inch (10.6 mm) 4-digit LCD, providing clear and accurate readings to minimize data collection errors.
• Intrinsically Safe: FM approved for use in hazardous locations, classified as Class I, Division 2, Groups A, B, C, D, T4 Ta = 70°C.
• Simple Operation: Features dual push pads on the front panel for on/off control, auto zeroing, and pressure unit selection, facilitating straightforward operation without the need for setup or leveling.
• Versatile Applications: Ideal for monitoring natural gas pressures on boilers, field calibration of instruments, troubleshooting HVAC systems, and, when used with a Dwyer Pitot tube, air velocity monitoring.

Specifications

• Service: Air and compatible combustible gases.
• Accuracy: ±0.5% full scale from 60 to 78°F (15.6 to 25.6°C); ±1.5% full scale from 32 to 60°F and 78 to 104°F (0 to 15.6°C and 25.6 to 40°C).
• Pressure Hysteresis: ±0.1% of full scale.
• Temperature Limits: Operating: 0 to 140°F (-17.8 to 60°C); Compensated: 32 to 104°F (0 to 40°C); Storage: -4 to 176°F (-20 to 80°C).
• Display: 0.42-inch (10.6 mm) 4-digit LCD.
• Power Requirements: 9 V alkaline battery, providing up to 100 hours of operation.
• Weight: 10.8 oz (306 g).
• Process Connections: Two barbed connections compatible with 1/8-inch (3.18 mm) or 3/16-inch (4.76 mm) inner diameter tubing.
• Agency Approvals: CE, FM approved to Class I, Division 2, Groups A, B, C, D, T4 Ta = 70°C.

The Dwyer 475-000 Mark III Digital Manometer combines precision, durability, and ease of use, making it an indispensable instrument for professionals requiring accurate pressure measurements in various applications.