Part No. GAUG-30HG 0-30 Inch Hg Vacuum Analog Test Gauge (±0.25% full scale accuracy) Analog test gauges are convenient for field calibrations. A knife-edge pointer and mirrored band make reading the gauge very easy. An economical choice for calibrating pressure instruments. Features GAUG-30HG Specifications Vacuum Range 0 to 30 In Hg (0 to 762 mmHg) Accuracy ±0.25% of Full Scale (ASME B40.1 Grade 3A) Process Connection 1/4" male NPT bottom connection Dial Size 4 in (10.16 cm) Mirror Band Yes Temperature range -40 to 140 °F (-40 to 60 °C) Construction Stainless Steel Seal materials Buna-N Gauge type Analog Fluid Media Compatibility Fluids compatible with Buna-N Seals Ralston Instruments Inc. | ralstoninst.com | Toll Free 800-347-6575 | Phone 440-564-1430 | Fax 440-564-1480