SUPCO 10 in. H Digital Manometer with Dual Input,

Item # 12-3500 | SUPCO Part # DDM55 | UPC Code 687152201433 | UNSPSC Code 41112400 | Catalog Page #707
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Product Overview

Isolate difficult pressure problems in natural gas and propane systems. Providing a differential measurement, the DDM55 accurately tests for leaks in low pressure gas systems and more. Left port is for negative pressure and the right port for positive pressure.

  • Range 55 in. H2O
  • Dual input
  • Resolution to 0.01 in. H2O
  • ID hoses, fitting and case included
  • Backlit LCD
  • Left port - negative pressure
  • Right port - positive pressure


Hand Tool Type
Manufacturer Warranty
1 Year
Measurement Standard
Product Depth (in.)
Product Height (in.)
Product Width (in.)
Tools Product Type
Hand Tool


1 Year