Dwyer Gauge Fluids - Accessories

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Dwyer Red gauge fluid - The standard fluid for use in inclined manometers, “D” type vertical manometers and all Dwyer gages using red fluid. Dwyer Blue gauge fluid - For special in struments and Mark II Models 26 and 28 Dwyer Violet gage fluid - For use in place of water if better meniscus is desired. Dwyer 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. Show more