prepASH Operating Instructions
Precisa
Ref01.i
12
1
2
3
4
Touch button (1) to enter the user interface for drying
and ashing (see section
5
"Software: First Steps" on
page 13).
Button (2) takes you to service mode for the device.
Button (3) takes you to the formatting page.
Settings can be defined on-screen via button (4).
Access authorization is required for service mode and
for the screen settings.
4.5 Gravimetric
calibration
Before use, the balance must be adjusted according to acceleration of the earth specific to the place
of use. It is recommended to calibrate the balance regularly. The procedure is described in the section
marked 12.1 Balance Calibration page 35
4.6 Gas
Adjustment
The gas flow must be regulated after adjustment of pressure. This procedure is described in chapter
12.2 Gas adjustment and hood control page 36
4.7 Mechanical
calibration
Mechanical adjustment is made at the factory. The lifting and turning movements of the turntable are
tested by the technician installing the device.
4.8 Inserting
the
turn-table
Carefully place the sample plate on the rotary axis.
NOTE
The small hole in the sample plate must lie to the
left of the balance pan (refer to figure on the
right).
The ashing device is now ready to be used.
