HOME > Density, Temperature and Time Measurement > Hydrometers > ASTM E100 Hydrometers, API gravity 51H-60H ASTM E100 Hydrometers, API gravity 51H-60H API gravity 51H-60H Nominal range 12° API/0.1 Thermometer scale: 0-150/2,0 °F with red filling liquid in the body Temp. 60 °F Range mm Code -1-11 51 H 380 BOE 3061 9-21 52 H 380 BOE 3062 19-31 53 H 380 BOE 3063 29-41 54 H 380 BOE 3064 39-51 55 H 380 BOE 3065 49-61 56 H 380 BOE 3066 59-71 57 H 380 BOE 3067 69-81 58 H 380 BOE 3068 79-91 59 H 380 BOE 3069 89-101 60 H 380 BOE 3070 Catalogue Download BOECO Catalogue our entire assortment Density, Temperature and Time Measurement Hydrometers