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HP1000 Weather Station
Designed by Mark Little
The HP 1000 Personal Weather Station is a popular model that is sold under many brand names. It has been around for quite a few years (at least since 2005) and over time, the internal design has changed. As a result, the examples given on this website may not be relevant to your version of the HP 1000.

As shown in the photo to the left, the weather station consists of three main electronic units. There is also a power supply which is not shown. Only the display unit uses the power supply, while the other two units are battery powered. The external unit (the large unit with the wind vane) recharges its battery using a solar panel, but the internal unit does not have a charging method and the batteries must be replaced (and recharged externally, if desired).
Weather Station
Click on then handbook to read the weather station instruction manual. In addition to instructions on how to set up the weather station, it provides instructions on how to install and use your weather station. It also provides some information on how and how often to calibrate your weather station to ensure that it remains accurate.

It should be noted that the manuals for the various versions of the HP1000 are slightly different, so this version of the manual may not exactly suit your model. Even so, it should be adequate for most things.
Operating in the Southern Hemisphere
The handbook to the right provides instructions on how to set up the weather station for the South Hemisphere (Australia, New Zealand, South America, Africa, etc.). This is necessary because the solar panel on the outside unit has to face North in the Southern Hemisphere to ensure that the battery in the external unit is adequately charged.

If this unit is to be mounted on something that moves, like a (house)boat, then it is pointless to orient the external head to North, as it will change as soon as the boat changes direction. In this case, it is
suggested that the external unit is oriented with the external units North South orientation matching the centreline of the boat, so that when the wind is coming directly across the bow, the weather station is reading 0°. This means that the wind direction will show you where the wind is coming from relative to your bow. The apparent wind direction and speed shown on the weather station is affected by the actual wind speed and direction, as well as the orientation of the boat and the direction it is facing.
If you are interested in the internal workings of the HP 1000, clicking the image to the left. As stated previously, there are many variants of the HP1000, so the information provided may not exactly match your model, but it should give an insight about its internal workings.