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Dwyer 490A-4 Hydronic Differential Pressure Manometer
Normally In Stock
Code: 570796
Dwyer 490A-4 - Wet/Wet handheld digital manometer, 0 to 100 psi (0 to 689.5 kPa)
Condition: New
Usually ships Same Day or Next Day$1234.28
Sale Price
$1028.57
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Description
Dwyer 490A-4 is a hydronic differential pressure manometer with a temperature range of 32 to 140°F. It offers high accuracy of ±0.5% FS in the temperature range of 60 to 78°F and ±1.5% FS in the temperature range of 32 to 60°F and 78 to 104°F. It operates on a 9V alkaline battery and has a 0.42" 4 digit LCD display. The wetted materials include 316L SS and various other components. It has a pressure limit as per the chart on the catalog page and comes with two 1/8" female NPT process connections. With a hysteresis of ±0.1% FS, it is suitable for use with compatible gases and liquids.
Specifications
(Instrument-Sensor) Application
Liquid
(Instrument-Sensor) Application
Gas
(Instrument-Sensor) Measurement Accuracy
0.50%
(Instrument-Sensor) Temperature Range
32 - 140°F/0 - 60°C
(Instrument-Sensor) Measurement Accuracy
1.5%
(Instrument-Sensor) Supply Voltage
9 V Battery
Component
Differential Pressure Manometer
Manufacturer
Dwyer Instruments
Features
Series 490A Hydronic Differential Pressure Manometer 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 memory function allows storage of up to 40 readings for later recall and a backlight provides auxiliary lighting for hard-to-see locations
Standard are a hold feature and both visual and audible overpressure alarms
A new feature added to the Series 490A is a field adjustable damping, independent viewable high/low pressure readings, and low range increased resolution
This allows the user to choose the level of display averaging rate corresponding to the fluctuation level common in many applications
A 9 V alkaline battery is included that provides up to 100 hours of operation.
Downloads

Code: 570796
Dwyer 490A-4 Hydronic Differential Pressure Manometer
$1234.28
Sale Price
$1028.57