Model A
2
O
®
Advanced Automated Osmometer User’s Guide
• Remove the cap from the system fluid bottle and insert the tubing
into a container of the cleaning solution.
• Prime the syringe and allow the solution to remain in the fluid
path for 30 minutes.
• After 30 minutes, remove the system fluid cap tubing from the
cleaning solution and wipe any cleaning solution from the outside
of the tubing.
• Insert the system fluid cap tubing into the system fluid bottle and
tighten the cap.
• Prime the system a minimum of 2 cycles using A
2
O System Fluid
(part no. 200222).
2. Sample Cooling Well
If cleaning is necessary, use isopropyl alcohol and a swab (part no.
202850) to remove any sample residue or condensation.
3. Waste Container
The waste container should be cleaned at least once a week to prevent
the growth of microorganisms. A 1% sodium hypochlorite solution
can be used as a cleaning agent.
Note: The waste container is autoclavable. Replace the biohazard
label on the bottle with a similar warning should the label
come loose during autoclaving.
4. Wash Station and Waste Fluid Lines
• Obtain the following materials:
• Plastic syringe (10mL minimum volume)
• 1/8-inch (3 mm) plastic tubing (silicone or Tygon)
• 1%
sodium hypochlorite
• Remove the cap from the waste bottle, making sure to leave it con-
nected to the waste tubing.
• Depress the plunger on the plastic syringe fully.
• Connect one end of the plastic tubing to the plastic syringe, and
the other end to the fitting on the underside of the waste bottle cap
(Figure 46).
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