Petroleum hydrometers are used to determine the density of petroleum products in the departments of transportation,aviation,petroleum production and oil refinery.our factory also produces hydrometers according to the specifications of ASTM Series.

1.set of 6 hydrometers for petroleum
Model No.	Range(0.650-1.010£©	subdivision	Total length
1041-1	0.650-0.710£¬0.710-0.770¡­	0.0005	400+/-10mm
2.set of 6 hydrometers for petroleum(with thermometer)
Model No.	Range(0.650-1.010£©	subdivision	Total length
1041-2	0.650-0.710£¬0.710-0.770¡­	0.0005	430+/-10mm
3. set of 5 hydrometers for petroleum
Model No.	Range(0.650-1.070£©	subdivision	Total length
1042-1	0.670-0.750£¬0.750-0.830¡­	0.001	310+/-10mm
4. set of 5 hydrometers for petroleum
Model No.	Range(0.650-1.070£©	subdivision	Total length
1042-2	0.670-0.750£¬0.750-0.830¡­	0.001	310+/-10mm
5.model SY-2 set of 6 hydrometers for petroleum
Model No.	Range(0.650-1.010£©	subdivision	Total length
1052	0.650-0.710£¬0.710-0.770¡­	0.001	190+/-10mm
6. model SY-1 set of 9 hydrometers for petroleum
Model No.	Range(0.650-1.010£©	subdivision	Total length
1054	0.650-0.690£¬0.690-0.730¡­	0.0005	290+/-10mm
7.second grade standard densitometers for petroleum
Model No.	Range(0.650-1.010£©	subdivision	Total length
1056	0.650-0.690£¬0.690-0.730¡­	0.0005	350+/-10mm
8.set of 8 hydrometers for coking use
Model No.	Range(0.830-1.310£©	subdivision	Total length
1061	0.830-0.890£¬0.890-0.950¡­	0.001	200+/-10mm
9. model SY-5 set of 10 hydrometers for petroleum
Model No.	Range(0.650-1.010£©	subdivision	Total length
	600-650£¬650-700¡­	0.5	330+/-10mm