12
2. Before Using this unit
Requirements for Installation
WARNING!
22. Install the membrane filter firmly.
•
Install the membrane filter as follows:
•
Unless firm connection is made, water may leak from the threaded portion and may be mixed
into and contaminate the sampled pure water. Always ensure firm connection.
（
1
）
Take out two membrane filters and seal tape from among accessories of the main
body.
（
2
）
Pay attention to the direction of arrow mark on the membrane filter. Wind the
seal tape clockwise as viewed from the tape windind side two to three turns while
pulling the tape slightly. Remaining tape should be cut away.
（
3
）
Screw the membrane filter, with the seal tape applied side on the top side, while
taking care not to crush threads. Check for water leak during sampling of pure
water. If any, screw the membrane filter further.
