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KERN EHA 500-2 Operating Manual page 4

Precision balance
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5. Operation
Weighing:
Place the balance on a firm, level surface. Level balance with foot
screws until the air bubble of the water balance is in the prescribed
circle. Check levelling regularly
To switch-on, press the ON/OFF button, the maximum weight of the balance will be displayed for a
short time. After that the weight display appears, the balance is now ready for weighing.
If required, set to zero by using TARE button.
Place load on pan and read the weighing result.
Use the MODE button to switch over into the available weighing settings.
Taring:
Place the empty weighing container.
Press the TARE button, the zero display disappears.
Weigh the material, the net weight will be indicated.
When the balance is unloaded the saved taring value is displayed with negative sign.
To delete the stored tare value, remove load from weighing pan and press the TARE button.
Parts counting:
In weighing mode press the PCS button for 2 seconds, the balance changes into counting mode,
25 PCS will be displayed.
Press the MODE button to select the desired reference number of pieces (selectable options
include 25, 50, 75, 100)
While PCS is flashing, place a reference which corresponds to the selected number of pieces
Press PCS again
Remove reference.
If necessary, tare the empty balance container.
Place counted pieces on pan and read the quantity of pieces.
Use MODE button to return to the weighing mode.
6. Important Notes
Do not overload balance.
The occurrence of electromagnetic fields may result in major display deviations. Then change
location.
Avoid high air humidity, vapours and dust.
Do not bring the balance directly in contact with liquids.
Do not leave permanent load on the weighing pan.
Never operate balance in explosive environment. The serial version is not
explosion protected.
Check the balance regularly with external test weights.
Warranty claims will be voided when the housing is opened.
4
EHA-BA-e-1910

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