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...
Feature : Compact Design With Large,Easy-to-read Markings,Ideal Salinity Range Clearly Identified In Green For Added Convenience,Can Be Permanently Installed Inside The Tank For Continuous Readings,Or Used As A Portable Measuring Device When Necessary,For