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Technical Note
Swab Dryer (3-3600)
The Lightning® Powder Swab Dryer was designed to provide a contaminant-free environment for drying swabs. It was also designed to draw a gentle flow of air around the swabs to remove moisture that may cause bacteria growth during storage. The Swab Dryer is constructed of sturdy Lexan and has a latched access door which leads to a drying compartment. There is a 20-swab capacity drying rack built in.
The Swab Dryer has two particulate filters, one on the door and the other at the rear exhaust port (see photos). Both filters are made of spun plastic fibers and can be removed and cleansed with a standard laboratory cleanser. To remove filter pads from panel in order to clean, gently squeeze the sides of the filter and pull. To re-install a clean filter, place filter in cover and simply snap back into place.
Upon receipt of Swab Dryer:
It is recommended that the Swab Dryer and rack be cleaned prior to use. DO NOT immerse the Swab Dryer into water. This will cause an electrical failure and may cause injury. Simply wipe the surfaces with a soft cloth and laboratory cleanser and rinse with clean water and a clean soft cloth. Do not use abrasives to clean.
Operation:
When drying multiple swabs use a marker or adhesive letters/numbers to mark and identify the grid positions to help eliminate confusion. Place swabs in the rack, then place rack in the dryer and close the door. Turn on the fan and run until swabs are dry. Drying swabs may vary in time, depending on the content. Keep a chart to help determine the optimal dry time for the different contaminants on the swabs. A timer is included to assist you with drying time. When swabs are dry, turn off fan and remove the rack from the dryer, then remove swabs and packages according to your department's evidence handling guidelines.
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Introduction
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The goal of latent print examiners and technicians is to discover and
collect latent prints by various means. The ultimate goal is
to identify those latent prints to the person responsible
for the criminal act and prosecute them to the fullest
extent of the law. Some of these means to develop latent
prints include processing evidence and other surfaces using
powders, chemicals and lighting techniques. The purpose of
this booklet is to provide a resource of information about
latent print processing techniques. This booklet does not
contain every process available and does not claim to be all
inclusive of all variations of processes. The information
has been collected from various sources.
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Caution
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This booklet
contains descriptions of processes utilizing chemicals or
combinations of chemicals which may be hazardous to the
user's health. It is strongly recommended that proper
precautions be taken when using hazardous chemicals or
combinations thereof. Safety equipment needed may include
fume hoods, gloves, protective clothing, safety goggles,
splash shields or respirators. It may be necessary to store
these chemicals in specific containers or cabinets. It is
the user's responsibility to know and use the proper and
adequate safety equipment required the various chemicals
listed.
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Disclaimer
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Lightning Powder
Company, Inc. assumes no responsibility for the use or
misuse of any of the chemicals, procedures, methods of ideas
described herein resulting in injury and/or damage to
persons or property.
Copyright © 2005 Lightning Powder Company,
Inc.
The material contained in and displayed by this Web site may be reproduced
with acknowledgment of its source.
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