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AZA 0862 PLUMMET BALANCE
Description
Conventionally particle size distribution analysis is carried out using pipette and
hydrometer methods. Whereas in hydrometer method it is possible to determine
particle sizes in the range 75microns, the method involves computation and it is
time consuming. The pipette method can be used for determining only the
percentage of specific sizes less than 0.02, 0.006 and 0.002mm as a percentage
of total soil sample.
The plummet balance method to determine sub sieve particle size for the entire
range is very rapid and only manipulation of height of the balance, so that plummet
sinks to the right depth is required.
The percentage of soil in suspension is directly indicated by a pointer over a
graduated scale.
A vertical rod is mounted on a sturdy base having leveling screws.
A pointer with steel pivots turns is jewel bearing an moves over a graduated scale.
Scale graduations are market 0-100% x 2%
To the other end of the pointer a plummet is hanged. Rack and pinion arrangement is provided on the vertical rod for
adjusting the height. Supplied with a chart showing relationship between âKâ and temperature of suspension of
soils of varying specific gravity from 2.4 to 2.8 to help in solving stroke’s equation. Supplied complete with one
Perspex plummet one measuring jar and one rider weight for zero adjustment and rider weight for adjusting the
pointer to 100%.