Monitoring Volumes; Testing Instructions (Sop); Leak Test Of The Pd Tip; Calibration - BRAND HandyStep touch Operating Manual

18 Monitoring volumes

18.1 Testing instructions (SOP)

https://www.brand.de/sop

18.2 Leak test of the PD tip

a.
Insert a new PD tip.
ð
The PD-Tip is recognized automatically or, in the case of compatible dispenser tips, select the
volume size.
b.
Change the volume to be dispensed.
c.
Fill the PD-Tip.
d.
Immerse the PD-Tip into the test liquid. Aspirate liquid at a steady rate. Hold the device down
vertically for approx. 10 s: If a drop forms, then follow the instructions in the following table.
Tip is not recognized
Tip drips

19 Calibration

If the leak test (see Monitoring volumes, p. 99) has been successfully completed, a gravimetric mea-
surement can determine if the device is within the limits defined by ISO 8655. The test method re-
quired for this is described in the testing instructions (SOP).
HandyStep® touch, HandyStep® touch S 997486
For additional information Calibration, see Calibra-
tion, p. 99.
No coding or coding dam-
aged or tip not inserted cor-
rectly
Tip leaky
18 Monitoring volumes
Insert a new tip or reinsert,
select the volume size
Insert a new tip
Operating manual
99