Filling a metal vessel of 100cc capacityat the bottom of which a special fine outlet is providedwith test specimenand measuring the time taken for all the specimen to flow out of the outletthe viscosity in stock can thereby be ascertained.
Inspection ítem
Observation on Method
Standard or
Allowance
Counterm easure for
trouble
1
External
View
Visual inspection
No Scratch on inner
surface
Renew
2
Body
Dimensions
Measure the orifice diameter with linear calipe1's (0.05 mm scale
measuring range O150 )
Orifice Die. 50.0
51.0
Change 01'
repa1r
3
Inner volume ofcup
Fill the cup with distilled water at
20 'c and flow down the distilled wate1' into a beaker of which weight
is known
Measu1'e the weight of this beake1'by a beaker
100:1::1ml
Change or
1'epan'
4
Flow'down speed
Measu1'e the flow'down time(second)
of standa1'd viscosity liquid at 20'C.
200.0cSt liquid makes continuous flow at 57.5:1:: 1.5 sec
to the lastand
100.OcSt liquid at
30.5 0.3 sec to the
last