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Created
in two-tone plastic, for some reason these pictures
and others I've seen don't do justice to how sturdy
the unit really is. That large black and yellow label
gives an immediate clue that something here is likely
to cause some pretty serious harm if its abused. Fortunately
it's just the laser sight which, with an output rated
at under 1mW (630-670nm) gets the job done without
being ridiculously over-powerful. Make no mistake
about it though, it'll still cause temporary flash
blindness or worse if you're stupid or careless enough
to try lighting up your retina with it.
The
MT4 comes with a "Caution" label rather
than a "Danger" label which means it's equipped
with the less damaging helium-neon laser rather than
the cheaper, more powerful and generally less safe
diode laser often found in novelty laser pointers.
The
back of the MT4 features a fairly large backlit LCD
which displays the measured temperature in either
Celsius or Fahrenheit, while from the front you can
make out the red trigger used to activate temperature
sensing, and dual apertures.
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Front
View
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Rear
View
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The
upper of the two apertures is for the laser sight
while the lower one is used for taking the actual
temperature measurement. At a distance of six inches
away it measure a one inch diameter spot from the
source. This extrapolates as you'd expect whereby
at twelve inches away the spot increases to two inches
across while at twenty four inches it is four inches
across and so on.
Most
measurements you'd need to take on the PC would tend
to be close-quarter measurements making the increasing
spot size pretty much irrelevant but a tighter sampling
area would be one thing I'd improve if I could.
The
MT4's hand grip hinges open to reveal the battery
compartment and a small selector switch that allows
you to select temperature readouts in Celsius or Fahrenheit
depending which you prefer.
The
MT4 takes a regular 9v 6LR-61 battery.
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Battery
Compartment
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Celsius/Fahrenheit
Selector
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