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Vario 2H


Vario 2H
Vario 2H

Variable sample divider

Purpose

Dividing samples of grain, seed and other granular products. Accurately dividing to the desired sample size in one operation. Copy sample option on some models.

Function description

The sample to be divided is poured through a hopper in the top of the divider. From the hopper the sample material glides through a rotating tube which passes a number of variable outlets leading the sample to sample trays. Sample material falling between the variable outlets, is guided out and away as surplus sample. The samples collected in the sample trays consists of a certain number of sub samples, the number of sub samples can be calculated by multiplying the number of rotations of the rotating tube (40 rpm) with the number of outlets. The accuracy of the dividing depends on the number of sub samples. To obtain the greatest accuracy, the time taken for dividing must never be less than 20 sec. With samples of less than 4 kg it is necessary to use an inlet hopper with a smaller outlet hole.

Example

Using a divider Vario 2H as shown on the principal drawing. 4 kg of sample should be divided into 2 samples of 1 kg each. I.e. one sample and one copy sample. The handle is moved to position 4 on the scale. The sample trays are placed in position. Check that the hopper is of the correct size, in this case no. 12. Start the divider by turning the switch on the front to position "drift". Pour the sample into the hopper and wait about 15 sec after the material has left the hopper. Stop the divider. Sample and copy sample are now ready for analysis or storing.

Typical use:

The sample dividers are often used together with our truck sampler RAKORAF, which is used for taking samples from all kinds of transport devices like trailors, lorries or waggons. Sample divider model 2H is used for this application. The sample divider is then started automatically when the reception box from the RAKORAF opens, and the sample drops into the hopper. Surplus sample material can automatically be transported out to a container. In laboratories variable dividers can be used for very precise dividing of different materials. Compared with the "riffle type" divider and the "boerner divider" a lot of labour time is saved. In addition to this the required sample size can be obtained both easily and accurately. The divider can as an option be delivered with an electronic scale for precise adjustment.

Technical Specification Vario 2H

No of samples

2

Material

Ratio

Rape

1:4-1:30

Grain

1:4-1:22

Peas

1:4-1:12

Flour

non applicable

Height

840 mm

Width

485 mm

Depth

492 mm

Weight

68 kg

 

Model 2H:

Sample divider for grain products, 2 samples that is sample + copy sample. Ideal for use with automatic systems with sample taker.

Specification:

Surface treatment epoxy painted or electro galvanised.
Motor 60 W, 230 V, 50 Hz.

Additional equipment (options):

Automatic control panel
Vibration feeder for samples < 1 kg.
Hoppers no 3,6 and 9.
Extension hopper 8 kg.
Sample tray in stainless. 2 or 3,5 litre.
Transport system for transport of surplus sample.

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