API ASTM Hydrometer Scale

2163A – 2166A – 2181 API ASTM Hydrometer Scale

The API Scale was selected in 1921 by the American Petroleum Institute (API), the U.S. Bureau of Mines, and the National Institute of Standards and Technology (NIST) as the standard hydrometer scale for petroleum products. The API Scale is based on the following formula:

 

 

 

 

The thermometer scale for OMSONS Hydrometers with Thermometers is located in the body. OMSONS ASTM Hydrometers Manufactured in accordance with specifications of ASTM. All instruments are for use as a primary reference standard with national & International.

$10,000.00

Description

2163A – 2166A – 2181  API ASTM Hydrometer Scale

Cat. No ASTM No. API Range Subdivision Length (mm)
2163A 21H 0 to 6° 0.1° 165
2164A 22H 5 to 11° 0.1° 165
2165A 23H 10 to 16° 0.1° 165
2166A 24H 15 to 21° 0.1° 165
2167 25H 20 to 26° 0.1° 165
2168 26H 25 to 31° 0.1° 165
2169 27H 30 to 36° 0.1° 165
2170 28H 35 to 41° 0.1° 165
2171 29H 40 to 46° 0.1° 165
2172 30H 45 to 51° 0.1° 165
2173 31H 50 to 56° 0.1° 165
2174 32H 55 to 61° 0.1° 165
2175 33H 60 to 66° 0.1° 165
2176 34H 65 to 71° 0.1° 165
2177 35H 70 to 76° 0.1° 165
2178 36H 75 to 81° 0.1° 165
2179 37H 80 to 86° 0.1° 165
2180 38H 85 to 91° 0.1° 165
2181 39H 90 to 96° 0.1° 165