Buy Dwyer 490A-2, 490A Hydronic Pressure Manometer

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Pressure Range:: Pressure Range: 0 to 30 psi (0 to 206.9 kPa)

Dwyer, 490A-2, Series 490A Wet/Wet Handheld Digital Manometer, 0 to 30 psi (0 to 206.9 kPa)

Liquid & Gas Pressure Measurement, ±0.5% FS Accuracy

The SERIES 490A Digital Manometers are 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.

Features

Up to 0.5% accuracy
Seven user-selectable English and metric units
Stores up to 40 readings for later recall
Backlight for use in dim areas

Applications

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

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Service	Compatible gases & liquids.
Wetted Materials	Without valve: 316L SS
Accuracy	±0.5% FS from 60 to 78°F (15.6 to 25.6°C); ±1.5% FS 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% FS.
Pressure Limits	0 to 30 psi (0 to 206.9 kPa)
Temperature Limits	32 to 140°F (0 to 60°C).
Storage Temperature Limits	-4 to 176°F (-20 to 80°C).
Display	0.42" (10.6 mm) 4 digit LCD.
Power Requirements	9 V alkaline battery, installed non-functional, user replaceable.
Process Connections	Two 1/8" (3.18 mm) female NPT.
Weight	14.1 oz (400 g).
Agency Approvals	CE.

Manufacturer List Price:

$1,172.15

Notes

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Product Details

Service	Compatible gases & liquids.
Wetted Materials	Without valve: 316L SS
Accuracy	±0.5% FS from 60 to 78°F (15.6 to 25.6°C); ±1.5% FS 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% FS.
Pressure Limits	0 to 30 psi (0 to 206.9 kPa)
Temperature Limits	32 to 140°F (0 to 60°C).
Storage Temperature Limits	-4 to 176°F (-20 to 80°C).
Display	0.42" (10.6 mm) 4 digit LCD.
Power Requirements	9 V alkaline battery, installed non-functional, user replaceable.
Process Connections	Two 1/8" (3.18 mm) female NPT.
Weight	14.1 oz (400 g).
Agency Approvals	CE.