Digital Automatic Tap Density Test Apparatus, Model: VTAP/MATIC-II is designed to hold two cylinders, capacity: 100 ml & 250 ml. The mechanism provides simultaneously rotating and tapping motion to the cylinders for packing the sample under test, evenly and uniformly. The equipment meets the requirements of USP Standards suitable for Method-I & Method-II.

The user-friendly microprocessor based circuitry enables to select two different modes of testing tap density. In USP-I or USP-II mode, the numbers of taps are fixed and they can be set accordingly. The other is user mode in which, the user can select the number of taps as per requirement. The apparatus will run on the selected mode and at the end of the test, it will calculate and display the percentage difference between tapped volume and tapped density, compressibility index and Housner ratio automatically.

Provision is made in the apparatus to accept an 80-column centronic parallel port printer for printing the results. Thus, a hard copy of test report can be obtained for each test. The menu appearing on the 4 line LCD screen gives almost all instructions on the screen, eliminating the need to refer the instruction manual while working.

Instruments with only USP Method-l or Method-II specifications and non-digital junior models are also available.