3D Instruments

Welcome to the home of the "Direct Drive Difference”

3D and Sierra Precision Gauges are manufactured with a difference for your most rugged and demanding applications! Process or Test, Digital, or mechanical, 3D brings the same standard of quality and excellence to the entire product line. We have made the best pressure monitoring instrumentation available for the past 36 years. We offer pressure gauges, pressure gauge accessories, and OEM pressure gauges to name a few of our products.

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