These plain form hydrometers are available in a variety of models measuring the relative densities (specific gravity) of oil and petroleum products in various ranges from 9° to 81° API in accordance with the American Petroleum Institute (API) and the American Society of Testing Materials…

Made from optical quality polycarbonate material, these plain form hydrometers are ideal in situations where rough handling or contamination could be an issue, such as in the food or beverage industries. Durable and shatterproof Easy to read black scale on yellow back helps avoid eye…