Omniguard 4 Specifications

Operating Range +/- 0.250 inches Water Column ( +/- 6.35 mm WC, +/- 62.5 Pascals)
Resolution 0.001 inches Water Column ( +/- 0.05 mm WC, +/- 0.5 Pascals)
Accuracy +/- 0.003 inches Water Column or +/- 1% of reading whichever is greater
Pressure Units Displayed "WC (inches Water Column), mmWC (millimeters Water Column), Pa (Pascals)
Calibration Zero Cal function, temperature compensated
Burst Pressure 3 psi (20 kPa) on either port
Data Storage Capacity 128,000 characters, 30+ days of readings (over 4000 logged events) in non-volatile memory (no battery required)
(29500 characters, 7+ days of readings, 30 data data retention for Omniguard III)
Display Graphic Liquid Crystal Display (LCD) with adjustable backlight and over 3.5 sq. inch viewing area
Internal Clock The internal clock is powered by a self-charging lithium-ion battery that provides 30+ days of clock operation when AC or DC power is not present
Printer 20 character wide thermal printer (uses 2.2" wide thermal paper)
Printing/Logging Rates Normal Operation -- highest and lowest pressure readings printed/logged at intervals of 5, 15, 30 minutes or OFF
Alarm Condition -- current pressure reading printed/logged at intervals of 15, 30, 60 or 120 seconds for first 10 minutes of alarm condition, increasing to 15 minute intervals thereafter
Alarms Two programmable alarm setpoints, 95db audible alarm with flashing LED and on-screen warning indicate alarm condition
Pressure Inlets Two 3/16" OD barbed hose connectors, 10 ft of hose provided
Serial Port DB-9 Male, RS232
USB Port USB V1.0 Type-B
Aux Alarm Port 1/8" stereo phono jack, relay contact outputs: NC, NO and Common rated 1A @ 30Vdc or 0.5A @ 115VAC
Power 115 VAC 60Hz with 6 ft power cord (220 VAC 50Hz optional, 6VDC battery pack optional)
Case Dimensions 9.25" x 7.5" x 4.5", Shipping Weight 6 lbs., Copolymer polypropylene case with polycarbonate window in the lid and stainless steel hanging hook
Warranty One Year Limited Warranty
 

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