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Derbyshire, Mack and Morgan, Inc.


Marsh Products


quality_gagues_series_h.jpg (8195 bytes)

  • Dial Sizes: 3.5", 4.5", 6"
  • Reliable Accuracy
  • Recalibrator Standard with Steel Case
  • Ranges to 20,000 psi
  • 316 Stainless Steel Movement

Marsh Quality Gauges feature the exclusive recalibrator and are used on air compressors, reciprocating pumps, boilers, engines, hydraulic presses and countless other industrial and OEM applications. Our Quality Gauges provide continuous service at an economical price. Accuracy is within 1% in the middle half of span.


mastergague_series_e.jpg (7108 bytes)

  • Dial Sizes: 4.5", 6"
  • Reliable Accuracy
  • Recalibrator Standard with Steel Case
  • Ranges to 10,000 psi
  • 316 Stainless Steel Movement

Marsh Mastergauges are used in oil fields, chemical and petrochemical plants, offshore rigs, refineries and in the aerospace industry. Accuracy is 0.5% of full span. The recalibrator feature allows fast, accurate, and easy resetting of the pointer with the turn of a screw.


test_gague_series_d.jpg (7855 bytes)

  • Adjustable Pointer Standard with Stainless Steel
  • 316 Stainless Steel Movement
  • Dial Sizes: 4.5", 6"
  • Ranges to 10,000 psi
  • Reliable Accuracy

Marsh Test Gauges are used in precision laboratory applications and industrial environments where precise accuracy is demanded. Accuracy is 0.25% of full span. Our Test Gauge offers as standard an adjustable micrometer, knife-edge pointer with mirror dial to assure a true reading.


inspectors_test_gague.jpg (6108 bytes)

  • 3" Dial
  • 0 to 1,000 psi Range
  • Recalibrator on Dial Face
  • ASME Grade 2A Accuracy

Marsh Inspector's Test Gauges are specifically designed for use by steam boiler, air brake and pressure system inspectors. The rugged 3" Inspector's Test Gauge features a brass case or nickel-plated case and an accuracy of 0.5% of span.


1999 Derbyshire, Mack and Morgan, Inc.