Brand
Accuracy	± 2% of reading, ± 0.5 psi
Battery Size and Type	Alkaline AAA
Display Measuring Units	cm w.c., ft w.c., hPa, in w.c., kPa, mm w.c., Pa, psi
GrossWeightValue	4.2
Hysteresis	± 0.25% FS
Kit	Full kit with (2) each 200 psi sensors with NIST certification
Materials, Wetted	316L Stainless Steel
Measurement Pressure Type	Differential
Measurement Pressure, Max	200 psi
Measurement Pressure, Min	0 psi
Media Compatibility	Clean dry air / inert gas, Clean process / cooling water, Compatible Liquids, Inert / non-reactive gases, Oils / lubricants, Organic solvents, Water
Operating Temperature, Max	140 °F
Operating Temperature, Min	32 °F
Process Connection Size	1/4 in
Process Connection Type	NPT Male
Process Temperature, Max	185 °F
Process Temperature, Min	-4 °F
Proof Pressure	Up to 400 psi
Series ID	Series-490W
Supply Power Note	2x AAA batteries (each sensor), user replaceable
Supply Power Type	Battery
Supported Devices	UHH6 and newer, and smart devices with Bluetooth® v5.0 and Bluetooth® Low Energy (LE) wireless technology, Android® firmware version 8.0 and above
Weight	5 lb
Wireless Range	Up to 65 ft
Country of Origin	China
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490W-6-HKIT-NIST

Hydronic differential pressure manometer, full kit with (2) each 200 psi sensors with NIST calibration