© 2020 Valeport Ltd
0660881c - fastCTD Profiler
Page 24
8.1. Changing Batteries
Changing batteries in the fastCTD (F) is simple process, which may be completed in under a minute.
All data is saved in non-volatile Flash memory, so data is secure during the battery change
process.
The system clock does require battery power in order to maintain the current date and time
settings, but the instrument is fitted with a capacitor system to maintain a supply to the clock for a
period of not less than 20 minutes after the removal of the battery. This should be more than
sufficient to allow the battery to be changed. In the event that clock settings are lost during
battery change, or after an extended period of storage with no battery fitted, then please use
DataLog X2 or the # codes defined to reset the clock.
·
Disconnect any external connections, including
the switch plug, from the instrument’s SubConn
connector.
·
Loosen the Acetal lock ring at the top of the
instrument housing – this should be achievable
by hand.
·
Pull the logger pack from the top of the
instrument.
·
Replace the single D cell in the instrument;
note that the cell should be inserted with the
positive end upwards. Although it is possible to
insert the battery incorrectly.
·
Check the o-ring on the logger pack for
damage and debris. Clean it and smear lightly
with silicon grease.
·
Replace the logger pack, rotating slowly until
the location pins align. Push the logger pack
home.
·
Replace the Acetal lock ring – hand tight is
sufficient.
for planned periods of extended storage, the battery should be removed from the instrument
to prevent accidental leakage