5.1004.8641.0 B
2-8 Specifications
Parameter
Unit
Specifications Rationale
Manganese (Mn
2+
, Mn
3+
) mg/l
<0.05
Cadmium (Cd
2+
) mg/l
<0.003
Physical
Hardness (Ca
2+
, Mg
2+
) °dH
6-9
Closer to 6 is better. Above 9
causes boiler and Pura to silt
Acidity (H
+
)
pH
6.5-8.5
>7.5 is acceptable in combination
with Chloride <250. Higher levels
of chloride or lower pH levels will
increase the occurrence of
corrosion of stainless steel
Conductivity @20°C
µS/cm
100-500
Conductivity is used to detect
availability of cleaning detergent
Oxygen (O
2
) mg/l
>2
Bacterial properties
Colony count 22°C
cfu/ml
<100
(sum of bacteria types: IRB*, SRB*,
SLYM*, HAB*, APB*)
Coliform bacteria #/100ml
<1
*IRB: Iron Related Bacteria.
*SRB: Sulfate Reducing Bacteria.
*SLYM: Slime Forming Bacteria.
*HAB: Heterofe Aerobe Bacteria.
*APB: Acid Producing Bacteria.
Lely Industries N.V. is not liable for, and does not cover under warranty, any damage or harm due to the
use of water (inside or outside) of the robots not meeting the Lely specifications.
2.2.2.2 Water Consumption
The table below shows the water consumption of each robot unit, based on:
• 170 milkings per day.
• 3 cluster cleanings per day.
• 32 l (8.5 gal) of hot water per cluster cleaning.
Water consumption for each RU
Cluster cleaning
60 l (15.9 gal)
• Pre-rinse.
12 l (3.2 gal)
in n o vato rs in agriculture
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