Ashcroft 1009 [251009AW04L300#] Analog Pressure Gauge, 2.5in Dial Size w/Stainless Steel Tube & Aluminum Bronze Socket, 1/2 in NPT, Lower Connection, Dry Fill and 0 to 300 psi. Ashcroft 1009 analog pressure gauges feature stainless steel cases and are available in 2.5, 3.5, 4.5 and 6 inch sizes. Ashcroft 1009 analog pressure gauges are ideal whenever space limitations and atmospheric and process corrosion exists. Incorporating the tried and true performance and quality for which Ashcroft gauges are known, Ashcroft 1009 analog pressure gauges are available in ranges from vacuum to 30,000 psi, including compound and metric ranges. Standard accuracy is ±1% full scale. Available connections include 1/8, 1/4 and 1/2 inch NPT fittings that can be located on the lower portion or back of the pressure gauge. Ashcroft 1009 analog pressure gauges, in 63 and 100mm dial sizes, are also available with a PLUS!™ Performance option. PLUS!™ Performance is a new, exclusive technology which provides liquid-filled performance in a dry gauge. PLUS!™ Performance advantages over standard dry gauges include dampened vibration and pulsation resulting in a steadier pointer and an easier to read gauge. PLUS!™ Performance advantages over liquid filled gauges include lower cost, no leakage, no fill lines, wider temperature range, and easier recalibration.