FRITSCH LABORETTE 27 - Manual (Page 20)

6.1.3 Setting up the "LABORETTE 24" sample feeder
n Place the feeder with V channel onto the stand such that the rubber
feet are located in the recesses (1) of the base plate provided for
them.
n Adjust the height of the stand (4) such that the feeder is located just
a few millimetres over the funnel and can be swung horizontally in
and out. To do this, release the stand by loosening the bolt (3).
n Position the feeder and the stand so that the material stream is fed
into the centre of the funnel (2).
n Adjust the quantity of material flowing from the funnel into the feed
channel by adjusting the height of the funnel on the support column
(5).
n Connect the control device (6)
6.2 Dividing solid materials
Start feeding the material only when the rotary cone
sample divider is switched on!
n Hinge the funnel holder (8) upwards
n Place the lid (7) on the dividing head.
n Insert the funnel in position A (for solid materials).
n Switch the rotary cone sample divider on.
(Final rotational speed of 100 rpm after approx. 10 seconds)
n Manual feed:
– Feed the sample slowly and evenly into the funnel.
n Material feed using the "LABORETTE 24" vibratory feeder:
– Fill sample into the funnel of the feeder
– Adjust the feed rate (speed of material flow) on the control
device (6).
Using the device
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