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 |