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U.S. Gauge


General Equipment Gauges
844U/845FF Panel Mount
2", 2-1/2" and 3-1/2"


Application
General non-corrosive service, pneumatic instruments, hydraulic systems, etc.

Ranges
V844U, V845FF - 30" Hg Vac P844U, P845FF - 15, 30, 60, 100, 160**, 200, 300, 400**, 600, 1000*, 2000*, 3000*, and 5000* psi

*2 1/2" P844U only; **2", 2 1/2" only. See General Specification Section for Dimension Drawing.

Accuracy
+/- 3-2-3% of span

Materials
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 corrosion resistant paint, RING & WINDOW: Threaded, polycarbonate, POINTER: Aluminum, adjustable, black finish, DIAL: Steel, white background with black markings. Utilitizes the "zero band" concept where the zero graduation and numeral are replaced with a band representing the total accuracy tolerance at zero, MOVEMENT: Brass BOURDON TUBE: Pressure ranges above 15psi up to and including 1000psi are phosphor bronze, soft soldered. 2000 and 3000 psi are phosphor bronze, silver soldered. Vacuum and 15psi are beryllium copper, soft soldered. 5000 psi are beryllium copper, silver brazed.


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