HANNA instruments is a world leading manufacturer of analytical instrumentation. Through the years, they have been to be able to supply customers around the world with practical affordable solutions for their testing needs. They believe in controlling the quality of the products from their inception to delivery. For this reason, they manufacture all the products they bring to the market including, meters, electrodes, chemical reagents and buffer solutions.
BlackStone's positive displacement solenoid driven pumps use a minimum number of moving parts, therefore reducing the chance of mechanical failure. Part wear and oiling associated with motor driven pumps (ball-bearings, gear drives and cams) are not a concern with these pumps.
The BL983318 is a compact, panel mounted, process controller for measuring total dissolved solids (TDS) of a process stream. The device features a large LCD with protective cover. Users may choose from automatic or manual dosing modes.
The HI 718 CheckerHC portable handheld colorimeter features a resolution of 01 ppm and accuracy of ±01 ppm ±5% of reading This Checker HC uses a modification of the DPD method used for residual chlorine