The Model 844 and 845 panel mount pressure gauges are available in a front flange or a U-Clamp version for flush mounting on instruments panels, pressure test stands, sterilizers, pressure test stands, or many other applications. These commercial gauges have copper-alloy wetted parts in a 2”, 2½” or 3½” gauge size.
The Model 844/845 pressure gauge comes standard in 14 different vacuum pressure to gauge pressure ranges, up to 5000 psi. It has a 1/8” or ¼” 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.
Gauge size: 2”, 2½”, and 3½”
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 béryllium copper, soft soldered WINDOW AND RING: Threaded, polycarbonate MOVEMENT: Brass
DIAL: Steel, white background with black markings. Utilizes the “zéro band" concept where the zéro graduation and numéral are replaced with a band representing the total accuracy tolérance at zéro
POINTER: Aluminum, adjustable with black finish
CASE: 844: Drawn Steel, with studs, U-clamp and nuts, black corrosion-résistant paint, fumished with two piece U-clamp and nuts, zinc plated
845: Drawn Steel with three hole Range, black corrosion-résistant 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 ail 3-1/2" gauges