Gauge Fluid

Brand: Dwyer Instruments, LLC

Gauge fluids in the 1 ounce size are furnished in unbreakable plastic dispenser type bottles.

Larger sizes are supplied in plastic bottles with screw caps.

Red Gage Fluid
0.826 specific gravity The standard fluid for use in inclined manometers, "D" type vertical manometers and all Dwyer gauges using red fluid.

Blue Gage Fluid
1.910 specific gravity For special instruments and Mark II Models 26 and 28.

Fluorescein Green Color Concentrate
Water coloring agent. Not to be used full strength. Add 3/4 oz to a quart of distilled water. Contains a wetting agent to improve the meniscus characteristics. Use in vertical manometers only.


Fluid Specific Gravity

  • 0.826 - Red Gauge Fluid
  • 1.000 - Violet Gauge Fluid
  • 1.910 - Blue Gauge Fluid

Materials of Construction

  • Plastic Bottle with Screw Cap


  • Distilled Water
  • Fluids
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