ECOWITT HP2553, Operation Manual

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Note: Please make sure the battery is inserted correctly for its polarity as the
system needs its initial power from this backup battery to start up the
system before solar panel charges up the accumulator and supply system
power afterwards. when in high altitude area,during wintertime, sunshine
time is short, thus system needs to be powered from this backup battery,
we recommend Lithium batteries to be used for cold weather climates.
Please avoid alkaline batteries, especially when internal heater is to be
activated during cold and wet weather conditions as when heater activated,
the trapped heat inside will warm up internally, and alkaline batteries are
extremely susceptible to leakage when temperature is over certain limits.
So Alkaline batteries are forbidden to be used with this anemometer
when heater function is activated.
4.2.2 Mount ultrasonic anemometer assembly
4.2.2.1
Before you mount
Before installing your outdoor sensor in the permanent location, we
recommend operating the device for one week in a temporary location with
easy access. This will allow you to check out all of the functions, ensure
proper operation and familiarize you with the weather station performance.
4.2.2.2
Mounting
 You can attach a pole(not included) to a permanent structure and then
attach the sensor package to it (see Figure 8-12).
 The U-Bolts will accommodate a pole diameter of 1.25-2 inches (pole
not included).
1.Install the base on a pole (1.25inch~2inch) as Figure 8.