HOBO RX3000 Remote Monitoring Station Manual
22
Fault
Code #
Description
Action to Take
Removing Smart Sensors
). Also check
that the smart sensor cables are ok.
132
Analog
Excitation
Bus Fault
Check the analog sensor connection
and the excitation settings for the
sensor in HOBOlink.
Battery Information
The station uses one rechargeable 4 volt, 10Ah, sealed lead-
acid battery. Use the AC adapter (AC-U30), solar panel (SOLAR-
xW), or external DC power cable (CABLE-RX-PWR) with your
own charging device to keep the battery charged. If using a
solar panel, the quality and quantity of solar light can affect
whether the battery is sufficiently charged to last through the
night and cloudy periods. Without a charging device connected,
expected battery life varies based on the ambient temperature
where the station is deployed, the logging or sampling interval,
frequency of connections to HOBOlink, the number of channels
that are active, excitation in analog modules, the number of
tripped alarms, and other factors. Deployments in extremely
cold or hot temperatures, a logging interval faster than 1
minute, or a sampling interval faster than 15 seconds can
impact battery life. Estimates are not guaranteed due to
uncertainties in initial battery conditions and operating
environment.
Use the following table as a guideline for estimating how long
the station will run using a fully charged battery and no source
of external power. For these examples, the station has up to 10
smart sensors installed and no excitation enabled for the
analog sensor module.
Connection Interval
Logging Interval
Typical Run Time
10 minutes
1 minute
20 days
1 hour
15 minutes
50 days
6+ hour
30 minutes
75 days
All communications will stop if the battery voltage drops below
3.9 V. The station will stop logging if the battery voltage drops
below 3.6 V. If the station has stopped logging due to low
battery voltage, plug in an AC adapter, solar panel, or external
power source to recharge it. It may take several minutes for the
station to power back up; the lower the remaining voltage, the
longer it will take for power to return. Also note that it will take
longer for power to return with a solar panel than with an AC
adapter. If the charging device is not recharging a dead battery,
Important:
Due to the self-discharge characteristics of this type
of battery, it is imperative that you charge the battery for at
least 12 hours every six months at minimum, even if you are
not actively using the station. Otherwise, permanent loss of
battery capacity may occur.
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