Instruction manual

9-4 EASYpure II RF Thermo Scientific

Section 9

Maintenance and Servicing

Membrane Switch Lead

Remove Front Cover

and Screws

Remove Top

Cover and Screws

Meter Board

Display Board

Disconnect Cell

Lead From Here

Disconnect Membrane

Switch Lead From Here

EMI Filter

EMI/RFI

Suppression Filter

(one loop around filter)

Cell

Bushing

O-ring

Figure 9-1. Disconnecting the Resistivity Cell

7. Disconnect the cell lead from the meter board, remove the EMI/RFI

suppression filter and gently pull the cable out of the EASYpure II RF

frame. Note orientation.

8. Unscrew and remove the cell.

Caution The cell electrodes are etched to improve wetting characteristics.

Do not mechanically abrade or damage this surface (i.e. do not clean with

a wire brush, sandpaper, etc.).

Do not immerse the entire cell assembly in cleaning solution, only the

electrode portion.

Cleaning Resistivity Cell

(continued)