Labconco CApture 3420000 Manual de usuario

CApture™ Portable

Fuming Systems

Models

3420000

3420020

3420022

3420024

Labconco Corporation reserves the right to make periodic design changes without obligation to

notify any person or entity of such change.

Returned or Damaged Goods

Do not return goods without the prior authorization from Labconco. Unauthorized returns will not

be accepted. If your shipment was damaged in transit, you must file a claim directly with the

freight carrier. Labconco Corporation and its dealers are not responsible for shipping damages.

The United States Interstate Commerce Commission rules require that claims be filed with the

delivery carrier within fifteen (15) days of delivery.

Limitation of Liability

The disposal and/or emission of substances used in connection with this equipment may be

governed by various federal, state, or local regulations. All users of this equipment are required

to become familiar with any regulations that apply in the user’s area concerning the dumping of

waste materials in or upon water, land, or air and to comply with such regulations. Labconco

Corporation is held harmless with respect to user’s compliance with such regulations.

Contacting Labconco Corporation

If you have questions that are not addressed in this manual, or if you need technical assistance,

contact Labconco’s Customer Service Department or Labconco’s Product Service Department at

1-800-821-5525 or 1-816-333-8811, between the hours of 7:30 a.m. and 5:30 p.m., Central

Standard Time.

Part #3421500, Rev. C

ECO L627

Warranty

Labconco Corporation provides a warranty to the original buyer for the repair or replacement

of parts and reasonable labor as a result of normal and proper use of the equipment with

compatible chemicals. Broken glassware and maintenance items, such as filters, gaskets, light

bulbs, finishes and lubrication are not warranted. Excluded from warranty are products with

improper installation, erratic electrical or utility supply, unauthorized repair and products used

with incompatible chemicals.

The warranty for CApture™ Portable Fuming Systems will expire one year from date of

installation or two years from date of shipment from Labconco, whichever is sooner. Warranty

is non-transferable and only applies to the owner (organization) of record.

Buyer is exclusively responsible for the set-up, installation, verification, decontamination or

calibration of equipment. This limited warranty covers parts and labor, but not transportation

and insurance charges. If the failure is determined to be covered under this warranty, the

dealer or Labconco Corporation will authorize repair or replacement of all defective parts to

restore the unit to operation. Repairs may be completed by 3rd party service agents approved

by Labconco Corporation. Labconco Corporation reserves the rights to limit this warranty

based on a service agent’s travel, working hours, the site’s entry restrictions and unobstructed

access to serviceable components of the product.

Under no circumstances shall Labconco Corporation be liable for indirect, consequential, or

special damages of any kind. This warranty is exclusive and in lieu of all other warranties

whether oral, or implied.

TABLE OF CONTENTS

CHAPTER 1: INTRODUCTION 1

CHAPTER 2: PREREQUISITES 2

Supplies Required 2

Exhaust Requirements 2

Electrical Requirements 3

CHAPTER 3: THEORY OF OPERATION AND SAFETY

PRECAUTIONS 4

CA Polymerization 4

Generation of CA Fumes Through Controlled Heating 5

Clear Chamber 5

Two Stage Filter System 5

Blower 6

Safety Precautions 6-8

CHAPTER 4: USING THE SYSTEM 9

Unpacking the System 9

Transporting the System 10

Component Identification 11

Hints for Handling CA 12

Preparing the System for Operation 13

Set Up 13

Heater Adjustment 15

Fuming Procedure 16

Adjusting Humidity Levels in the CApture 16

CHAPTER 5: MAINTAINING THE SYSTEM 19

Routine Maintenance Schedule 19

Service Operations 20

Filter Replacement 20

Resetting the Circuit Breaker 21

CHAPTER 6: TROUBLESHOOTING 22

APPENDIX A: COMPONENTS 23

APPENDIX B: DIMENSIONS 24

APPENDIX C: SPECIFICATIONS 25

APPENDIX D: ACCESSORIES 26

Product Service 1-800-522-7658

Chapter 1:

Introduction

Congratulations on the purchase of a Labconco CApture Portable Fuming

System. The CApture is unique, offering a self-contained, portable system

for developing latent fingerprints using the cyanoacrylate (CA) fuming

method. CApture has a solid state heater control, exhaust fan, and an

internal two stage filter to remove CA fumes at the end of the development

process.

The Portable Fuming System offers many unique features to enhance

performance and flexibility. To take full advantage of them, please

acquaint yourself with this manual and keep it handy for future reference.

Because of its uniqueness, even if you are familiar using the CA fuming

method, please review both Chapter 3: Theory of Operation and Safety

Precautions and Chapter 4: Using the System; which describe the

CApture’s features so that you can use it efficiently.

This manual and other technical information is available in PDF

format at our website: www.labconco.com.

Product Service 1-800-522-7658

Chapter 2:

Prerequisites

Carefully read this chapter to learn:

Supplies required.

Electrical power requirements.

Exhaust requirements.

Supplies Required

Before you use the Fuming System, you need get the following items:

1 bottle of CA glue (the capacity of the filter is approximately

2 ounces (57gm))

Note: For best results, do not use CA with thickening or gap filling

formulations.

A supply of aluminum heating pans, in addition to the 10 shipped

with the unit. A bag of 250 pans is available as Labconco part

number 34252002.

A supply of Rain-X

or Rain Block

to treat the clear chamber before

use.

Exhaust Requirements

If you intend to connect the system to the optional Exhaust Connection Kit,

first examine the location to ensure that the exhaust duct can be directed

either out of the immediate area (through a partially opened window), or

into a chemical fume hood. For further information about the CApture’s

exhaust system requirements, please refer to Appendix D: Accessories.

Note: For best results, do not add any additional exhaust duct to that

already supplied in the exhaust connection kit. Additional lengths of duct

Rain-X is a registered trademark of Sopus Products.

Rain Block is a trademark of Value Smart Products, Inc.

Chapter 2: Prerequisites

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will reduce the exhaust flow out of the chamber, possibly resulting in

incomplete venting of the CA fumes.

Electrical Requirements

The system models have the following electrical requirements:

Model #

Requirements

3420000

115 VAC, 60 Hz, 1 Amp

34200-20, -22, -24

230 VAC, 50/60 Hz, 0.5 Amp

Note: An outlet with a circuit breaker rated at 10 amps for 115 volt

models (5 amps for 230 volt models) should be located as close as

possible to the system. Power cords supplied with the print system

are 3 meters (10 feet) long.

Note: The system can be operated on an inverter, converting 12 Volts

DC to the appropriate AC voltage. The inverter should have an output

rating of at least 100 Watts, and protected against current overload

for proper operation.

Table 2-1

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Chapter 3:

Theory of Operation and Safety

Precautions

The CApture operates using the following principles:

CA polymerization.

Generation of CA fumes through controlled heating.

Removal of CA droplets and fumes by a two stage filter.

The major components in the system are:

The clear chamber

The controller and heater.

The two stage filter.

The blower to force air through the system.

CA Polymerization

Cyanoacrylate is the generic name for fast-acting adhesives such as

methyl 2-cyanoacrylate or ethyl-2-cyanoacrylate. CA adhesives are

sometimes known as "instant glues." CA is an acrylic resin which rapidly

polymerizes in the presence of water (specifically hydroxide ions), forming

long, strong chains, joining the bonded surfaces together. CA is a

tenacious adhesive, particularly when used to bond non-porous materials

or those that contain minute traces of water. It is also very good at

bonding body tissue, and this can be a bothersome (or even dangerous)

side effect during everyday use.

Cyanoacrylate is used as a forensic tool to capture latent fingerprints on

non-porous surfaces such as glass, plastic, etc. The cyanoacrylate fuming

method (often called the super glue method) heats the CA to produce

fumes which react with amino acids, fatty acids, and proteins in the latent

fingerprint and the moisture in the air to produce a visible, sticky white

polymer (polycyanoacrylate) on the fingerprint ridges. The ridges can then

be recorded. The developed fingerprints are, on most surfaces (except on

Chapter 3: Theory of Operation & Safety Precautions

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white plastic or similar), visible to the naked eye. The reaction must be

monitored to ensure that it is not allowed to continue for too long. If it runs

unchecked, the latent fingerprints can overdevelop and the chemical

images of the ridges will slowly grow wider until they overlap, obscuring

vital detail.

Generation of CA Fumes Through Controlled

Heating

CA adhesives have a boiling point of approximately 120°F (50°C). With

increasing heat, cyanoacrylate decomposition products begin to appear at

temperatures above 250°F (121°C), and when the temperature exceeds

400°F (204°C), hydrogen cyanide can be produced. It is therefore critical

to maintain a consistent, controlled heat throughout the development

process.

The CApture Print System uses a heater, controlled by a digital controller.

The user-programmed controller maintains the set temperature between

the minimum of 120°F (50°C) and maximum of 350°F (177°C). A redundant

safety switch limits the heater temperature to a maximum of 350°F (177°C),

in the event of a controller malfunction.

Clear Chamber

The clear chamber is made out of durable, shatter-resistant

polycarbonate. It protects the heater/filter module when the unit is being

transported, and allows an unobstructed view of the evidence during the

fuming process. While the clear chamber is resistant to many chemicals, it

is not resistant to CA fumes, and it MUST be treated with either Rain-X®or

Rain BlockTM glass water repellent. Labconco has tested these two

treatments, and found they protect the clear chamber from CA fumes for

up to 20 uses, if properly applied, and the treatment is not disturbed.

Always follow the treatment manufacturer’s instructions when applying the

treatment. Labconco has not tested any other brands of glass treatment

chemicals, and cannot recommend their usage.

Two Stage Filter System

CA droplets and fumes are removed from the air in the clear chamber by a

two stage filtration system. The first stage of the filter cartridge is a

polyester loft particulate filter, having a Minimum Efficiency Reporting

Value (MERV) of 11, meaning it removes 65-79% of particles 1.0-3.0

microns in size, and more than 85% of particles 3.0-10 microns in size.

The second stage of the filter is specially prepared granular activated

carbon (GAC) that adsorbs any gaseous CA as the air flows through the

carbon bed. See Appendix A for replacement part numbers. Using the

recommended amount of CA for proper development, the filter should last

for a minimum of 100 fuming cycles (about 2 oz, or 57ml) before

replacement.

Chapter 3: Theory of Operation & Safety Precautions

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Blower

The blower assembly pulls air out of the clear chamber, through the filter,

and then exhausts it out of the system.

Safety Precautions

Always wear appropriate personnel protective equipment (PPE), such as

protective eyewear and gloves when handling CA, its byproducts or

residue.

CA fumes irritate sensitive membranes in the eyes, nose and throat. They

are immediately polymerized by the moisture in the membranes and

become inert. These risks can be minimized by using CA in well ventilated

areas.

About 5% of the population can become sensitized to CA fumes after

repeated exposure, resulting in flu-like symptoms. It may also act as a skin

irritant and may cause an allergic skin reaction. On rare occasions

inhalation may trigger asthma.

Applying cyanoacrylate to materials made of cotton or wool (such as

cotton swabs, cotton balls, and certain yarns or fabrics) results in a

powerful, rapid exothermic reaction. The heat released may cause minor

burns, and if enough cyanoacrylate is used, the reaction is capable of

igniting the cotton product, as well as releasing irritating vapor in the form

of white smoke. Material Safety Data Sheets for cyanoacrylate instruct

users not to wear cotton or wool clothing, especially cotton gloves, when

applying or handling cyanoacrylates.

Recommended solvents for removing polycyanoacrylate residue from the

metallic surfaces of the Fuming System include:

Acetone - Commonly found in nail polish remover.

Nitromethane

Dimethyl sulfoxide

Gamma-butyrolactone –Effective and has low toxicity.

NEVER use these chemicals to remove CA or its residue from the eyes or

sensitive mucous membranes. Seek medical attention if needed. NEVER

use these chemicals to remove CA or its residue from the clear chamber,

as they will damage the plastic.

Ensure that the system is connected to electrical service in accordance

with local and national electrical codes. Failure to do so may create a fire

or electrical hazard. Do not remove or service any electrical components

without first disconnecting the unit from electrical service.

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