Thermco ASTM/API Combined In Stem Hydrometer, +30/220f - 380mm ASTM 73h - 19/31

Manufacturer: Thomas Scientific Brand: Thomas

Hydrometers are calibrated for proof at 60 degree F. All hydrometers are made according to bureau of internal revenue, and U.S. treasury department standards. Tolerances listed for these hydrometers are those outlined in circular 555 of the national bureau of standards, testing of hydrometers. All hydrometers are single units. 0 - 20 percent Proof range. IRS code: F.

Manufacturer: Thermco Brand: THERMCO

Proof Scale measures the percent Alcohol by Volume Multiplied by 2. Internal Revenue Specification Proof Scales. Suitable for Certification.

Manufacturer: Home Brew Ohio Brand: Home Brew Ohio Model: RH-MUSC-GSG6 Color: Multi

Proof And Tralle hydrometer with 12" glass test jar with distiller's active dry yeast (1 lb).

Manufacturer: Vee Gee Scientific Inc. Brand: Bellwether

HYDROMETER, BAUME, BELLWETHER®, STANDARD TEMPERATURE 60F, ACCURACY IS ± ONE SUBDIVISION, BAUME RANGE: 0 -70, LENGTH: 310mm, SUBDIVISION: 1

Manufacturer: Thermco Brand: THERMCO

THERMCO ASTM/API COMBINED W/SPIRIT FILLED THERMOMETER IN BODY HYDROMETERS - 0/150F - 380mm ASTM 53HL -TRMC

Manufacturer: Thermco Products Inc. Brand: THERMCO Model: GW054HM

These are high precision hydrometers calibrated to the highest standard that exceeds the exacting ASTM standards. Made from the finest materials available; the glass is free from imperfections, has the suitable thermal properties for the entire temperature range that would be subjected and resists any reactions from chemical agents. Each hydrometer has been calibrated against NIST standards and furnished with a NIST traceable certificate.

Manufacturer: Koehler Brand: Koehler Model: 251-000-55HL

For density, relative density (specific gravity) or API gravity determination of crude petroleum, liquid petroleum products and mixtures of petroleum and non-petroleum products.

Manufacturer: H-B INSTRUMENT/BEL-ART PRODUCTS Brand: H-B Instrument Company Model: 829867

Individually packaged with a multi-language Statement of accuracy temperature of standardization 60°f/60°f metal ballast individually serialized.

Manufacturer: Chase Instrument Brand: Chase Instrument Model: 1992

Models through C25 require a cylinder 340 x 38 mm diameter and approximately 250 mL of liquid for submersion. Models through F20 require a cylinder 150 mm deep x 25 mm i.d. and approximately 50 mL of liquid for submersion.