Time-Lapse Package
Revision E
The University of Alaska very generously offered to test one system at low temperatures in their facilities. The system worked all the
way down to the lowest tested temperature, -60C. However, at –40C and below, some pictures were missing from the sequence.
Some of the pictures were dark, others half light / half dark, suggesting that the mechanical items in the camera, the shutter and the
mirror assemblies may have been sticking at times, or otherwise slowed. The timing never varied, suggesting that all of the
electronics worked at all temperatures.
Subsequent to the low temp testing, we operated the very same system at high temperatures in our facilities. We cycled the
temperature from room temperature up to a maximum of +80C, performing several cycles over several days, and never found any
issues. All pictures were taken, and the timing remained perfect for the duration of the tests.
We are compelled however to say that the excellent performance of our test system does not mean that we guarantee operation of all
or any particular system to these temperature extremes. Note that the results above were using the K110D camera, but we anticipate
excellent performance from the K200D as well.
Enclosure
We use a very strong molded fiberglass housing. Gaskets make the
unit airtight and water tight, and stainless steel hardware further
eliminate any concern for corrosion. The door is hinged, and quickly
removable. The housing is a perfect size to accommodate digital
cameras, including many SLRs. Unlike plastic units, you can
successfully paint this enclosure if you want to camouflage it in the
field.
Triangular headed plastic screws, and a matching key are used to
‘lock’ the door. While not completely theft-proof, we’ve found that
even with tools, it’s awfully difficult to open the door without the key!
Some customers have purchased the housing alone, to package their
own equipment.
We can provide the enclosure with door locks and a key, for $150.03.
Mount Assembly
Thick aluminum brackets were developed for mounting the housing and attaching the solar panel. The brackets can be attached to the
housing in horizontal or vertical orientation for flexibility. We also include a 'ball head' mount for the brackets, which can be quickly
adjusted for direction and tilt. If you need these components to retrofit a housing, the price is $87.50.
The brackets can be used with ‘U-Bolts’ to directly attach the housing to a standard size chain link fence pipe (up to 1.67” diameter
pipe). You can get fence post pipe and U-bolts at most any hardware supply (i.e. Home Depot). You will find that the housing can
be attached to larger sizes of pipe with minimal modification to the brackets.
Harbortronics Inc 7 10/7/2008
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