A&D A & D Analytical Balance GH-120/GH-200/GH-300/GH-202/GH-252 - Manual (Page 9)

7
2.1.
Installing the Balance
Install the balance as follows:
1 Consider the section "3. Precautions " for installing
your balance. Place the balance on a firm
weighing table.
2 Assemble the "Dust Plate", "Breeze Break Ring"
(or "Fine range breeze break ring") "Pan support",
and "Weighing Pan" on your balance. There is a
reference illustration on the previous page.
3 Adjust the level of the balance using the
leveling feet. Ground the balance chassis
for discharging static electricity if you have a
static problem.
4 Please confirm that the adapter type is correct for
your local voltage and power receptacle type.
5 Connect the AC adapter to the balance. Warm up
the balance for at least one hour with nothing on
the weighing pan.
6 Calibrate the balance before use. Refer to "8.
Calibration".
3. Precautions
3.1.
Before Use
To ensure that you get the most from your balance, please try to follow these conditions as
closely as possible.
Please confirm that the AC adapter type is correct for your local voltage and receptacle type.
Ensure a stable power source when using the AC adapter.
The best operating temperature is about 20°C / 68°F at about 50% Relative Humidity.
The weighing room should be free of dust.
The weighing table should be solid and free from vibration, drafts (such as frequently
opening doors or windows) and as level as possible.
Corners of rooms are best as they are less prone to vibration.
Do not install the balance near a heater or air conditioner.
Do not install the balance in direct sunlight.
Do not use the balance near other equipment which produces magnetic fields.
Adjust the level of the balance using the leveling feet.
Please warm-up the balance for at least one hour. Plug-in the AC adapter as usual.
Calibrate the balance before using and after moving it to another location.
Do not place or use the balance where there is flammable or corrosive gas present.
Leveling feet
Bubble spirit level
Connect the
AC adapter