Dwyer 490A Manometer

The Dwyer 490A Digital Manometer is a versatile, hand-held, battery operated manometers available in several basic ranges for positive or positive differential pressure measurement and can tolerate most liquid media compatible with 316LSS. A new feature added to the Series 490A is a field adjustable damping, which allows the user to choose the level of display averaging rate corresponding to the fluctuation level common in many applications.

Dwyer 490A Digital Manometer Applications Include
Chiller to coils for freeze protection
HEPA filters to determine when a filter needs to be changed
Measure pressure drop across pumps
Valves to determine valve position

Features

• Seven user-selectable English and metric units
• Stores 40 readings in memory for later reference
• Accurate up to ±0.5% F.S (60 to 78°F)
• Pressure Hysteresis: ±0.1% of full scale
• 32 to 104°F temperature limits
• Two 1/8in (3.18mm) female NPT connections
• CE approved