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The Coleman Vacu-Print™ Long
Chamber is used for processing large evidence, such as, rifles
and bats, or if larger quantities of evidence must be developed. It is 48"
long and has a 7 3/8" inside diameter. It comes with a plexiglass stand. The
Pump/Motor is 1/3 horsepower with 3 CFM vacuum. The same pump/motor will
operate either chamber. It is possible to purchase both chambers and only
one pump/motor. Store each piece away in a closet or cupboard until needed.
To use the vacuum system with either
the table top or long chamber, place several items inside. They may touch
the sides of the chamber and each other. Cut a small strip from a Hard
Evidence™ pouch and tape it to the inside of the chamber or put five to ten
drops of liquid glue in a small dish and place it inside the chamber.
Evacuate the chamber and allow the items to fume under vacuum for about
twenty minutes. When finished, the evidence will not have a thick layer of
white powder residue, although the latent prints are "locked on" the item.
Allow them to remain in the air for about ten minutes before processing them
with powders or chemicals.
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