A&D AD-4212D-33, Instruction Manual

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11
3. PRECAUTIONS
To get the optimum performance from the balance and acquire accurate weighing data, note the
following:
3.1. Before Use
 Install the weighing unit in an environment where the temperature and humidity are not
excessive. The best operating temperature is about 20°C / 68°F at about 50% relative
humidity.
 Install the weighing unit where it is not exposed to direct sunlight and it is not affected by
heaters or air conditioners.
 Install the weighing unit where it is free of dust.
 Install the weighing unit away from equipment which produces magnetic fields.
 Install the weighing unit in a stable place avoiding vibration and shock. Corners of rooms on
the first floor are best, as they are less prone to vibration.

Ensure a stable power source when using the AC adapter.
 Connect the power to the balance using the AC adapter at least one hour before use, but in
the case of the AD-4212D-33/32, four hours are required. It is recommended to connecting
the power to the balance.
 Calibrate the balance before use or after having moved it to another location.
In addition, calibrate it periodically to maintain the accuracy.
Caution
Do not install the balance where flammable or corrosive gas is present.