Storage; Maintenance; Calibration; Figure 3 Pipette Stand - OHAUS ACROSS PRO AO-2 Manual Del Usuario

Storage

ACROSS P is a precision instrument and should be treated with the level
RO
of care appropriate for laboratory instrumentation. A stand is available to
hold ACROSS P
RO
Figure 3. Pipette stand

Maintenance

1. Selecting optimized volume ranges, setting the volume by rotating the
operating button, do not rotate the operating button outside the volume
range of the pipette.
2. Tips need to be changed with different samples.
3. Pre-rinse the new tip before aspirating the liquid by filling and emptying
the tip for three to five times.
4. To avoid contamination, do not rest the pipette on its side horizontally
especially with the tip attached.
5. For convenience and safety always keep the pipette vertically on its
hanger when not in use.

Calibration

Each ACROSS P
RO
gravimetrically before shipment using distilled water and an analytical
balance. The test room shall have a constant (±0.5℃) temperature. Water
temperature is stabilized at 21.5±1℃. Use an analytical balance with a
readability of 0.1mgs or 0.001mgs.
8
securely when not in use.
is factory calibrated and carefully checked