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ASTM 82H – 125H

Our hydrometers are produced in the United States by outstanding manufacturers known for quality craftsmanship and accuracy of reading. Manufactured strictly in accordance with all applicable ASTM specifications, these ASTM hydrometers have become the industry standard for close, accurate readings. All instruments in this series are available with our NIST Traceable certification, and as such serve as primary reference standards in many governmental and private laboratories.

ASTM API Thermo-Hydrometers

These hydrometers are fabricated with a thermometer in the lower body for convenience to the user. For any particular API gravity range, three temperature ranges are available, coded as follows: L=Low 0/150F, M=Medium 30/180F, H=High 60/220F. The units listed below are the most popular. Variations are available on special request.

ASTM API Specific Gravity Series Hydrometers

Specific gravity @ 60/60F (relative density) hydrometers as specified in ASTM E-100

ASTM API Thermo-Hydrometers With Thermometer In Stem

The 30/220F thermometer with the scale in the stem is useful for testing of heavy oils where dark color prevents reading the thermometer in the body of a conventional thermo-hydrometer.

Uncalibrated
ASTM Cat No Range, SG Div Length
82H 40082H .650 to .700 .0005 330mm
83H 40083H .700 to .750 .0005 330mm
84H 40084H .750 to .800 .0005 330mm
85H 40085H .800 to .850 .0005 330mm
86H 40086H .850 to .900 .0005 330mm
87H 40087H .900 to .950 .0005 330mm
88H 40088H .950 to 1.000 .0005 330mm
89H 40089H 1.000 to 1.050 .0005 330mm
90H 40090H 1.050 to 1.100 .0005 330mm
Calibrated (as specified by ASTM)
ASTM Cat No Range, SG Div Length Certified at
82H 40082H-C .650 to .700 .0005 330mm 3 test points
83H 40083H-C .700 to .750 .0005 330mm 3 test points
84H 40084H-C .750 to .800 .0005 330mm 3 test points
85H 40085H-C .800 to .850 .0005 330mm 3 test points
86H 40086H-C .850 to .900 .0005 330mm 3 test points
87H 40087H-C .900 to .950 .0005 330mm 3 test points
88H 40088H-C .950 to 1.000 .0005 330mm 3 test points
89H 40089H-C 1.000 to 1.050 .0005 330mm 3 test points
90H 40090H-C 1.050 to 1.100 .0005 330mm 3 test points

ASTM LPG (Liquified Petroleum Gas) Thermo-hydrometer

For testing of LPG and LNG (Liquified Natural Gas) in accordance with ASTM Method D-1657 Graduated in specific gravity @60/60F (relative density)

Uncalibrated
ASTM Cat No Range,SG Div Temp range F Div Length
101H 40101H .500 to .650 SG .001 30 to 90F 1 355mm
Calibrated (at the practical limit of our equipment)
ASTM Cat No Range,SG Div Temp range F Div Length Certified at
101H 40101H-C .500 to .650 SG .001 30 to 90F 1 355mm .650 & .620 Specific Gravity

ASTM Specific Gravity Series Hydrometers

Specific gravity @ 60/60F (relative density) hydrometers as specified in ASTM E-100

Uncalibrated
ASTM Cat No Range, Specific Gravity Div Length Certified at
102H 40102H .650 to .700 0.001 260mm
103H 40103H .700 to .750 0.001 260mm
104H 40104H .750 to .800 0.001 260mm
105H 40105H .800 to .850 0.001 260mm
106H 40106H .850 to .900 0.001 260mm
107H 40107H .900 to .950 0.001 260mm
108H 40108H .950 to 1.000 0.001 260mm
111H 40111H 1.000 to 1.050 0.0005 330mm
112H 40112H 1.050 to 1.100 0.0005 330mm
113H 40113H 1.100 to 1.150 0.0005 330mm
114H 40114H 1.150 to 1.200 0.0005 330mm
115H 40115H 1.200 to 1.250 0.0005 330mm
116H 40116H 1.250 to 1.300 0.0005 330mm
117H 40117H 1.300 to 1.350 0.0005 330mm
118H 40118H 1.350 to 1.400 0.0005 330mm
119H 40119H 1.400 to 1.450 0.0005 330mm
120H 40120H 1.450 to 1.500 0.0005 330mm
125H 40125H 1.000 to 1.050 0.001 260mm
Calibrated (as specified by ASTM)
ASTM Cat No Range, Specific Gravity Div Length Certified at
102H 40102H-C .650 to .700 0.001 260mm 3 test points
103H 40103H-C .700 to .750 0.001 260mm 3 test points
104H 40104H-C .750 to .800 0.001 260mm 3 test points
105H 40105H-C .800 to .850 0.001 260mm 3 test points
106H 40106H-C .850 to .900 0.001 260mm 3 test points
107H 40107H-C .900 to .950 0.001 260mm 3 test points
108H 40108H-C .950 to 1.000 0.001 260mm 3 test points
111H 40111H-C 1.000 to 1.050 0.0005 330mm 3 test points
112H 40112H-C 1.050 to 1.100 0.0005 330mm 3 test points
113H 40113H-C 1.100 to 1.150 0.0005 330mm 3 test points
114H 40114H-C 1.150 to 1.200 0.0005 330mm 3 test points
115H 40115H-C 1.200 to 1.250 0.0005 330mm 3 test points
116H 40116H-C 1.250 to 1.300 0.0005 330mm 3 test points
117H 40117H-C 1.300 to 1.350 0.0005 330mm 3 test points
118H 40118H-C 1.350 to 1.400 0.0005 330mm 3 test points
119H 40119H-C 1.400 to 1.450 0.0005 330mm 3 test points
120H 40120H-C 1.450 to 1.500 0.0005 330mm 3 test points
125H 40125H-C 1.000 to 1.050 0.001 260mm 3 test points

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