APPLICATION NOTE NO. 34 Revised March 2008
Instructions for Use of Conductivity Cell Filling and Storage Device PN 50087 and 50087.1
This application note provides instructions for use of
PN 50087 / 50087.1 syringe and tubing assembly in
rinsing, cleaning, and storing conductivity sensors.
The tubing assembly consists of a length of 6.35 mm
(1/4 inch) I.D. tube connected by a plastic reducing union
to a short piece of 11.1 mm (7/16 inch) I.D. tube. Refer to
Application Note 2D: Instructions for Care and Cleaning
of Conductivity Cells for information on water and
solutions recommended for use.
• SBE 9plus, 19plus V2, 25, and 49 are shipped with
PN 50087.
• SBE 16plus V2 and 16plus-IM V2 are shipped with
PN 50087.1, which includes the parts in 50087, plus
hose barbs to replace the anti-foulant cap on the
instrument. The hose barbs allow for connection of
the tubing for cleaning and storing, as described
below.
Note: This procedure can also be used with the SBE 16,
16plus, 16plus-IM, 19, and 19plus, which are no longer in
production.
Procedure for Use
1. To fill the conductivity cell, draw about 40-60 cc of
solution into the syringe.
2. Connect the plastic tubing to the TC duct intake on the
temperature sensor [Figure 1] (or to the open end of
the conductivity cell on systems without the
TC duct [Figure 2]), and inject solution into the cell
and pump plumbing.
• CTDs with a TC duct or hose barb fitting -
remove the plastic reducing union and connect
the smaller diameter tubing directly to the
TC duct / fitting.
• CTDs without a TC duct or hose barb fitting
(older instruments) - leave the reducing union and
large diameter tubing attached and carefully
connect the tubing directly to the end of the glass
conductivity cell [Figure 2].
3. (If applicable) Loop the rubber band around a bar on
the CTD cage and back over the top of the syringe to
secure the apparatus for storage.
REMOVE THE SYRINGE AND TUBING ASSEMBLY BEFORE DEPLOYMENT!
Sea-Bird Electronics, Inc.
1808 136th Place NE
Bellevue, WA 98005
US
Phone: (425) 643-9866
Fax: (425) 643-9954
E-mail: seabird@seabird.com
Web: www.seabird.com
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