Koehler Density, Relative Density (Specific Gravity), or API Gravity - Hydrometers and Thermohydrometers

Density, Relative Density (Specific Gravity), or API Gravity - Hydrometers and Thermohydrometers

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ASTM Hydrometers and Thermohydrometers For density, relative density (specific gravity) or API gravity determination of crude petroleum, liquid petroleum products and mixtures of petroleum and non-petroleum products. For density of LPG and light hydrocarbons refer toK26150. Calibrated hydrometers and thermohydrometers are available fromKoehler with an ISO/IEC 17025 and ANSI/NCSL Z-540-1 Report of Calibration. When inquiring about calibrated hydrometers and thermohydrometers, please refer to the catalog number for the corresponding hydrometer or thermohydrometer and replace the middle three zeros in the catalog number with 004. Example: 251-000-01H API Gravity Hydrometer would be 251-004-01H Certified API Gravity Hydrometer. Specifications Conforming to the specifications of: ASTM E100 Applicable Test Method Standards ASTM D287, D1298, D6074, D6158; API MPMS Chapter 9.1; IP 160; ISO 3675; DIN 51757

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API Gravity Hydrometers Standard temperature 60°F, subdivisions 0.1° API, length 330mm Catalog Number ASTM Hydrometer No. Nominal API GravityRange, deg. 251-000-01H 1H –1 to +11 251-000-02H 2H 9 to 21 251-000-03H 3H 19 to 31 251-000-04H 4H 29 to 41 251-000-05H 5H 39 to 51 251-000-06H 6H 49 to 61 251-000-07H 7H 59 to 71 251-000-08H 8H 69 to 81 251-000-09H 9H 79 to 91 251-000-10H 10H 89 to 101 Specific Gravity Hydrometers Standard temperature 60/60°F, subdivisions 0.0005, length 330mm Catalog Number ASTM Hydrometer No. Nominal Specific Gravity Range 251-000-82H 82H 0.650 to 0.700 251-000-83H 83H 0.700 to 0.750 251-000-84H 84H 0.750 to 0.800 251-000-85H 85H 0.800 to 0.850 251-000-86H 86H 0.850 to 0.900 251-000-87H 87H 0.900 to 0.950 251-000-88H 88H 0.950 to 1.000 251-000-89H 89H 1.000 to 1.050 251-000-90H 90H 1.050 to 1.100

	API Gravity Hydrometers Standard temperature 60°F, subdivisions, 0.1° API, length 330mm Catalog Number ASTM Hydrometer No. Nominal API Gravity Range, deg. 251-000-21H 21H 0 to 6 251-000-22H 22H 5 to 11 251-000-23H 23H 10 to 16 251-000-24H 24H 15 to 21 251-000-25H 25H 20 to 26 251-000-26H 26H 25 to 31 251-000-27H 27H 30 to 36 251-000-28H 28H 35 to 41 251-000-29H 29H 40 to 46 251-000-30H 30H 45 to 51 251-000-31H 31H 50 to 56 251-000-32H 32H 55 to 61 251-000-33H 33H 60 to 66 251-000-34H 34H 65 to 71 251-000-35H 35H 70 to 76 251-000-36H 36H 75 to 81 251-000-37H 37H 80 to 86 251-000-38H 38H 85 to 91 251-000-39H 39H 90 to 96 251-000-40H 40H 95 to 101
	API Gravity Thermohydrometers - Thermometer in Body Standard temperature 60°F, subdivisions 0.1° API, length 380mm, thermometer scale °F 0-150 (designation L), 30 to 180 (designation M), 60 to 220 (designation H) Catalog Number ASTM Thermohydrometer No. Nominal API Gravity Range, deg. 251-000-51HH 51HH –1 to 11 251-000-51HL 51HL –1 to 11 251-000-52HH 52HH 9 to 21 251-000-52HL 52HL 9 to 21 251-000-53HM 53HM 19 to 31 251-000-53HL 53HL 19 to 31 251-000-54HM 54HM 29 to 41 251-000-54HL 54HL 29 to 41 251-000-55HL 55HL 39 to 51 251-000-56HL 56HL 49 to 61 251-000-57HL 57HL 59 to 71 251-000-58HL 58HL 69 to 81 251-000-59HL 59HL 79 to 91 251-000-60HL 60HL 89 to 101
	API Gravity Thermohydrometers Thermometer in Stem Standard temperature 60°F, subdivisions 0.1° API, length 380mm, temperature scale °F 30-220 Catalog Number ASTM Thermohydrometer No. Nominal API Gravity Range, deg. 251-000-71H 71H –1 to 11 251-000-72H 72H 9 to 21 251-000-73H 73H 19 to 31 251-000-74H 74H 29 to 41
	Specific Gravity Hydrometers Standard temperature 60/60°F, subdivisions 0.001 length 260mm Catalog Number ASTM Hydrometer No. Nominal Specific Gravity Range 251-000-102H 102H 0.650 to 0.700 251-000-103H 103H 0.700 to 0.750 251-000-104H 104H 0.750 to 0.800 251-000-105H 105H 0.800 to 0.850 251-000-106H 106H 0.850 to 0.900 251-000-107H 107H 0.900 to 0.950 251-000-108H 108H 0.950 to 1.000 251-000-125H 125H 1.000 to 1.050 251-000-126H 126H 1.050 to 1.100 251-000-127H 127H 1.100 to 1.150 251-000-128H 128H 1.150 to 1.200 251-000-129H 129H 1.200 to 1.250 251-000-130H 130H 1.250 to 1.300 251-000-131H 131H 1.300 to 1.350 251-000-132H 132H 1.350 to 1.400 251-000-133H 133H 1.400 to 1.450 251-000-134H 134H 1.450 to 1.500 251-000-135H 135H 1.500 to 1.550 251-000-136H 136H 1.550 to 1.600 251-000-137H 137H 1.600 to 1.650 251-000-138H 138H 1.650 to 1.700 251-000-139H 139H 1.700 to 1.750 251-000-140H 140H 1.750 to 1.800 251-000-141H 141H 1.800 to 1.850
	ASTM Metric Thermohydrometers Standard temperature 15°C, subdivisions 0.5kg/m3, length 380mm, thermometer scale °C: –20 to +65 (designation L), 0 to 85 (designation M), 20 to 105 (designation H) Catalog Number ASTM Thermohydrometer No. Density, Range kg/m3 251-000-300HL 300HL 600 to 650 251-000-301HL 301HL 650 to 700 251-000-302HL 302HL 700 to 750 251-000-302HM 302HM 700 to 750 251-000-303HL 303HL 750 to 800 251-000-303HM 303HM 750 to 800 251-000-304HL 304HL 800 to 850 251-000-304HM 304HM 800 to 850 251-000-305HL 305HL 850 to 900 251-000-305HM 305HM 850 to 900 251-000-306HL 306HL 900 to 950 251-000-306HM 306HM 900 to 950 251-000-307HL 307HL 950 to 1000 251-000-307HH 307HH 950 to 1000 251-000-308HH 308HH 1000 to 1050 251-000-308HL 308HL 1000 to 1050 251-000-309HH 309HH 1050 to 1100 251-000-309HL 309HL 1050 to 1100

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