Built-In Over-Range and Under-Range Protection. Reinforced Sector Improves Accuracy Over Life of Gauge. Pressure Range is 3 - 15 PSI. Dial Scales: 0-100% linear; 0-10 square root; 0-100% and 0/10 square root dual scale. Gauges Come with Removable Stainless Steel Restrictor. Accuracy: ±1% on 4". Gauges Come with Removable Stainless Steel Restrictor. Case is 4" (100mm), Filled or Dry. Ring is AISI 304 Polished Stainless Steel, Bayonet Connection. Window is Instrument glass. Safety glass and Acrylic optional.
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