TPS WP-81, Manual, Page: 23 / 51

Page 23
8.4 Instrument Serial Number
In case the serial number that is fitted to the rear of the WP-81 is
removed or becomes illegible, it is also available on the WP-81 display.

The serial number is displayed at turn-
on, for example…
WP81 V6.0 S1234
Con TDS Sal pH
o
C
where S1234 is the serial number.

The serial number is display when recalling the GLP information
(section 8.1).

The serial number is included on the print-out of GLP information
(section 8.3).
8.5 Additional GLP Features
Another GLP requirement is to record the date and time of every reading.
The
WP-81 does this for you when readings are recorded either with the
Notepad function (section 9) or the Automatic Logging function (section
10).