GARDCO EZ Zahn Cup

GARDCO EZ Zhan cups are machined rather than drilled, ensuring exact centering of perfectly round orifices of proper length, and a correct symmetrical efflux stream. EZ Cup support rods are offset from cup sides and secured below the cup rim, eliminating errors caused by drainage from support surfaces. EZ Zhan cups meet and exceed ASTM D4212 and ASTM D-816 Calibration oils used to standardize EZ Cups meet ISO-9002, and are certified to NIST-traceable standards. EZ Cup numbers 1 - 5 available.
All GARDCO EZ Zhan cups come with conversion table. (10th\'s of seconds to centistokes)