Operating Instructions - Canadian Life Science
Contents
1. QLA QUALITY LAB ACCESSORIES Operating Instructions WOBMET MI Wobble Meter for Hanson and Distek Installation Temporarily raise the drive head to it s highest position Adjust the movable foot so that the assembly fits firmly in the dissolution vessels Install the wobble meter assembly into the Dissolution vessel Retract the dial indicator tip and lower the drive head so that the indicator tip will rest on the shaft about 2mm above the basket or paddle blade Operation ls 2 om 4 Set the dissolution tester speed to 25 RPM and start rotation Observe the dial indicator travel as the shaft rotates Rotate the dial bezel so that the zero reading Coincides with either the maximum clockwise or counter clockwise displacement The Actual Wobble is the dial indicator reading Repeat the process for each shaft position Pass fail Criteria USP 711 Requires paddle and basket shafts to rotate smoothly and without significant Wobble In order to insure shaft Wobble is not significant Quality Lab Accessories recommends a maximum Allowable reading of 50 mm 20 in This value is also recommended in the Handbook of Dissolution Testing by William A Hanson Quality Lab Accessories 38 Forest Avenue Bridgewater NJ 08807 Ph 908 685 7500 Fx 908 526 4151 hE
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