DeFelsko PosiTector SST Bedienungsanleitung Seite 6

d) Inject half of the water into the patch. Then, use the syringe to
withdraw trapped air.
e) Remove the needle, point it upwards and expel the air.
f) Re-insert the needle and inject the remaining water into the patch.
Step 3: Begin Test (applies to both patch styles)
a) Once the water is injected into either patch, press the (+) button to
start the test timer.
TIP:
After starting the test timer, the operator can select Power Off from
the Gage menu to conserve battery life. The test timer will continue to
run and the elapsed test time will be displayed when the Gage is
powered-up.
b) Without removing the needle/dispensing tip from the patch, use
the syringe to repeatedly withdraw and inject the water. ISO 8502-
6 recommends this process be completed at least four times and
that the test time be agreed between interested parties.
c) After the desired amount of time has elapsed, withdraw the
solution from the patch.
d) To complete the measurement, completely fill the PosiTector SST
probe's test cell with the solution from the patch. Wait until the
measurement stabilizes (up to 5 seconds), then press the (+)
button to save the temperature (T
solution. Δ , the difference between the
and the 1 background reading, is displayed.
) and conductivity ( 2) of the
2
soluble salt reading
2
5