Specifications

@Adam Equipment Company 2006
8
• Press [Tare] again and wait for few seconds. Display will show
“CAL - - F”
• Place the suggested calibration mass on the pan gently (Take
ADK-20 for example). Allow a few seconds for stability.
• Press [Tare] again.
• It will show “CAL End” and then “20000.0” will be displayed.
• Remove the mass from the pan gently.
• Display will show “0.0”. The balance is now in the weighing mode.
• Note: if “CAL -no” is displayed during calibration, it means that the
calibration has failed.
• Check if the calibration mass is wrong. Try calibrating the balance
again using a correct calibration mass.
• If it is still a problem then check if the value displayed is much
more or less than the actual weight. If the difference is more than
2% of the calibration weight value, adjust the span potentiometer
as shown below.
• Remove the plastic plug on the right hand side of the balance.
There is a hole through which you will find an adjustable
potentiometer. Use a small screwdriver to adjust the value
displayed. To increase the value displayed, turn the screw on the
potentiometer clockwise. To decrease the value displayed, turn
the screw anti-clockwise.
• When the value displayed is approximately the actual weight,
press the [Cal] key to calibrate the balance again.
5.2 CALIBRATION CHECK
• To verify whether the balance is calibrated or not, place the
calibration mass on to the centre of the pan gently when “0.0” is
displayed.
• If the correct weight is displayed, it is calibrated correctly.
Remove the weight from the pan.
• If the value displayed is more or less than ± 0.1g from the