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US Gauge’s 844U 2" (50mm) Panel Mount Pressure Gauge (844U-2) is a U-clamp version for flush mounting on instruments panels, pressure test stands, sterilizers, pressure test stands, or a variety of other applications. The 844U-2 comes standard in 14 different vacuum pressure to gauge pressure ranges, up to 5000 psi. It has a 1/8” or 1/4” NPT brass connection, and meets ASME B40.100 Grade B accuracy ±(3-2-3%). They are available off the shelf or customized for OEM applications.
| Sizes | 2", 2-1/2", 3-1/2" |
| Ranges | V-844U, V-845FF: 30" Hg VAC P-844U, P-845FF: 0-15 psi though 0-3000 psi* |
| Accuracy | ±3-2-3% of span (Grade B) |
| Bourdon Tube | Pressure ranges above 15 psi up to and including 1000 psi are phosphor bronze, soft soldered 2000 and 3000 psi are phosphor bronze, silver soldered Vacuum and 15 psi are beryllium copper, soft soldered |
| Window and Ring | Threaded, polycarbonate |
| Movement | Brass |
| Dial | Steel, white background with black markings. Utilizes the “zero band” concept where the zero graduation and numeral are replaced with a band representing the total accuracy tolerance at zero |
| Pointer | Aluminum, adjustable with black finish |
| Case | 844: Drawn steel, with studs, U-clamp and nuts, black corrosion-resistant paint, furnished with two piece U-clamp and nuts, zinc plated 845: Drawn steel with three hole flange, black corrosionresistant paint |
| Connection | CBM, brass; 1/8-27 NPT: 2" and 2-1/2" up to 600 psi; 1/4-18 NPT: 2-1/2" 1000 psi and above and all 3-1/2" gauges |
Other sizes, ranges, and mounting configurations are available for OEM quantities
* 0-160 and 0-400 only available in 2", 2-1/2";
0-1000, 0-2000 and 0-3000 only available in 2-1/2" P-844UK only
Connection Size & Pressure Ranges
| 164415 | 1/8" NPT 0-30" Hg VAC |
| 164416 | 1/8" NPT 0-15 PSI |
| 164417 | 1/8" NPT 0-30 PSI |
| 164418 | 1/8" NPT 0-60 PSI |
| 164419 | 1/8" NPT 0-100 PSI |
| 164420 | 1/8" NPT 0-160 PSI |
| 164421 | 1/8" NPT 0-200 PSI |
| 164422 | 1/8" NPT 0-300 PSI |
| 164423 | 1/8" NPT 0-400 PSI |
| 164424 | 1/8" NPT 0-600 PSI |
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