Nedap SmartFlow / Installation manual
Version 00.001 / September 2020 / EN
25
Dairy Farming
4.2.2 Milk test
The milk test is the ICAR certified calibration method.
Conditions
• The milk that must be collected must flow through the SmartFlow before it is collected by a milking bucket.
• Weigh the collected milk with a calibrated ICAR approved weighing scale. See the ICAR documentation for
more information.
• Collect the milk from at least 8 cows per milking place. If strange or extreme milkings are found in the
collected milkings, collect the milkings from more cows.
Procedure
Use the Excel spreadsheet Calibration sheet - milk test SmartFlow_V2020_2.xlsx for this test.
1. Use one milking bucket per milking place and mark the bucket.
When you don't have enough milking buckets for all milking places, make sure you use the same bucket
for one milking place.
2. Wet all milking buckets, and empty them.
3. Weigh each empty milking bucket and fill in the weight of the buckets in the cell of row A Empty bucket (kg)
of the calibration sheet.
4. Place the milking buckets on the milking places. Make sure the milk first flows through the SmartFlow before
it is collected in the bucket.
5. Milk the first cow.
6. When the milking session of the first cow is finished, check the milk yield on the milking point controller of
the first cow and fill in this weight in the cell of row B
1
MPC (kg) of the calibration sheet.
7. Weigh the milking bucket with the collected milk, and fill in this weight in a cell of row C
1
Bucket (kg) of the
calibration sheet.
8. Empty the milking bucket completely.
9. Place the milking bucket back on the same milking place to collect the milk of the next cow.
10. Repeat steps 3 - 8 for all cows.
The calibration sheet calculates the correction factor automatically when at least 8 valid milkings are
entered. Outliers are excluded for calculation. The number of valid milkings is shown in row Nr of valid
milkings. The row Assignment shows if the correction factor can be used or if additional milkings are
needed.
11. Go to the next step Calibration (page 25).
Calibration
In the calibration sheet, in the row Correction factor, a new correction value is calculated. Fill in this value in
Nedap Velos via Settings > Milking > Smartflow numbers.
4.2.3 Statistic test
All of the following conditions must be met to enable the use of this test. When not all conditions can be met,
this test cannot be used.
Conditions
• Only milk from milk sessions that completely end up in the bulk tank counts (when the bulk tank is emptied
during a milk session, that milk session cannot be included in the test).
• The weights measured by the bulk tank must be weighed by a calibrated measuring instrument.
• Only milk from the parlor with SmartFlows ends up in the bulk tank.
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