EUTECH INSTRUMENTS CYBERSCAN DO 1500 DO METER Instrukcja Obsługi Pobierz pdf (Strona 42)

Instruction Manual DO 300

9.3 Membrane/O-ring Replacement (Optional Procedure)

It is recommended only experienced service personnel can perform this procedure.

This procedure is OPTIONAL

, and should only be performed if you have new membrane and

O-ring. You are also required to have a membrane installation tool. These items are available

as optional accessories in the Accessories section.

1. Pull off the probe guard. See figure on right.

2. Unscrew the membrane cap from the probe.

3. Hold the probe under hot running water and brush

away the white oxide on the cylindrical anode with a

stiff plastic brush – do not use metal cleaning

material.

4. If the cathode has any deposits, remove them with a

light scouring powder. Do not polish the cathode.

5. Using the installation tool, unscrew and remove the

membrane lock from the membrane cap. See Figure

36.

6. Remove the membrane and O-ring. Discard both.

7. Rinse the membrane cap and membrane lock in tap

water.

8. Install a new O-ring inside the membrane cap.

9. Install a new membrane. Make sure the membrane

covers the O-ring all around its circumference. See

Figure 37.

NOTE: Membrane replacements available from Oakton

Instruments only.

Figure 35: Positioning of O-ring

& membrane

1 2 ... 37 38 39 40 41 42 43 44 45 46 47 ... 59 60

Brak uwag

EUTECH INSTRUMENTS CYBERSCAN DO 1500 DO METER Instrukcja Obsługi Strona 42