Hydrometer Jar (IS 2720, Part-IV, 1985, section 5.2.1.2): It will be transparent glass with uniform thickness and base size. It will have a mark of 1000 ml capacity with 7 cm dia at a height of 330 mm_+5 mm. Over all height of the cylinder will be about 400 mm without spout  more...
There will be no abrupt changes in the cross section of the hydrometer, that will hinder cleaning or drying or permit air bubble to be trapped. The graduation of hydrometer will be on the basis of liquid having a surface tension of 55 dynes/cm. The graduation lines will be at intmore...
Soil Hydrometer Seamless, symmetrical stem and bulb do not vary in diameter. One-piece ballast is secured to lower part of the body. Guaranteed calibration accuracy eliminates errors due to variable dilution. H-4242 uses ASTM 151 H scale, graduated to read specific grmore...
Zeal Hydrometers are precision instruments manufactured from the highest quality glass tubing especially selected to to be free from stain and other defects. Precisely poised with steel shot sealed in a special wax ensures correct alignment. Scales have clearly marked figures andmore...