SKU: FI25MARKII Categories: , Product ID: 4784


  • Inclined or inclined-vertical type
  • Above/below atmospheric pressure measurement
  • Economically priced and compact
  • Portable or stationary configurations
  • Rapid shutoff pressure connections and integral over-pressure safety traps (Model 40)
  • Accuracy: ±3% full scale
  • Maximum internal working pressure: 10 PSI (70 KPa)
  • Maximum working temperature: 140°F
  • Virtually indestructible molded white styrene-acrylonitrile housing
  • Leak proof “O” ring seals
  • Included with each Mark II manometer are two tubing connectors for 1/8″ pipe or sheet metal ducts, two mounting screws, 3/4 ounce bottle of indicating fluid, red and green pointer flags, and complete instructions
  • The Model 25 also includes 8 feet of flexible double column plastic tubing. Portable operation of the Model 25 is made possible by the use of the optional A-612 portable stand. A short piece of tubing can be slipped over the Model 25 pressure connections to contain the gauge oil in transit
  • The Model 40 contains two 4 1/2 foot lengths of clear plastic tubing, a plastic swing-out stand, and leveling screw for portable operation. It also features convenient rapid shutoff pressure connections and integral over-pressure safety traps


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