Dwyer 252-AF Offers

Features

• High accuracy and easy to use, making it a dependable device for many years of service
• Easy to read polished inclined scale allows minute pressure differences to be read
• No moving parts mean no calibration or nothing to wear out
• Precision machined 1" (2.54 cm) thick solid acrylic plastic, virtually unbreakable and free of distortion
• The fluid bore is precision drilled to ±0.0002" (0.0005 cm) to assure life-long accuracy
• A glass spirit level is built into the body and encapsulated to prevent damage or tampering
• The scale is mirror polished chrome plated brass to assure parallax free reading by alignment of the meniscus with its reflection
• Safety traps are incorporated in the body to prevent loss of fluid due to pressure surges
• Red and green signal flags indicate clearly when a filter change is necessary
• Gauges are suitable for use in ambient temperatures of -20 to 150°F (-28.8 to 65.5°C)
• Connection fittings are positively sealed but easily removed for zeroing or addition of fluid

Applications

• Air filter gauge