RFL100 batteries
Main batteries
RFL100 data logger is powered by 2 AA size primary (non-rechargeable) batteries with 1.5 V
nominal voltage. Starting the data logger always requires that compatible batteries with
sucient voltage are in place, even if external power is supplied through the service port.
When replacing batteries, always use new batteries, not partially discharged ones. Minimum
battery voltage for operation is 2.15 V in series.
Compatible battery types are:
• 1.5 V alkaline batteries, designation IEC-LR6, ANSI 15A. Standard choice for most humidity
and temperature measurement applications.
• 1.5 V lithium batteries, designation IEC-FR14505 (FR6), ANSI 15-LF. Typically higher
capacity and better in cold temperatures. Recommended for CO
2
measurement as lithium
batteries provide a longer battery backup time if external power becomes unavailable.
Do not use batteries with a nominal voltage higher than 1.5 V.CAUTION!
Use of rechargeable batteries is not recommended. RFL100 will not charge
batteries even if the service port is connected to a power supply.
Clock battery
RFL100 also has a separate 3 V lithium battery (type CR1/3N button cell) to keep the real-time
clock powered when the device is switched o. This battery is good for 10 years, and should
only be replaced if the data logger display shows the low clock battery error code Err 200.
Error codes
Table 3 RFL100 error codes
Error code Cause Recommended action
Err 100 User parameter bank checksum failure. Power cycle the data logger. If the error
persists, contact Vaisala.
Err 101 Factory parameter bank checksum
failure.
Err 102 Real-time clock of the data logger has
lost accurate time.
Restore the wireless connection to an
AP10 access point. RFL100 will
synchronize its clock with the time from
the access point.
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ENGLISH
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