Benchmark rating on External detection units
In the past, some external detectors have either been very difficult to set up, or poor performance has been blamed on bad installation. Usually, the two factors have some bearing on each other. If a detector is difficult to set up then the chances are that a few will be installed incorrectly.
The detectors were installed in a large yard, All of the systems were tested simultaneously, and all were mounted as per the manufacturers specifications. cable runs were of a similar lengh.
    PRODUCT                                  OVERALL RATING
Optex HX40Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 8/10
Takex MS12FEÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 8.2/10
Texecom prestige External TDÂ Â Â Â Â 8.5/10
Risco Group WatchOut Dt       8/10
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All testing done by Benchmark magazine