Guth Laboratories 12V500 DUPLEX Manuel utilisateur
GUTH LABORATORIES, INC.
Wet Simulator
Model 12V500
OPERATOR’S MANUAL
www.guthlabs.com
“DUPLEX”
U.S. PATENT NO. 7,895,878; 8,667,829
CANADIAN PATENT NO. 2684266
GUTH LABORATORIES, INC.
©2015 Guth Laboratories, Inc./all rights reserved
INTRODUCTION
The Guth Model 12V500 Alcohol Breath Simulator is a State-of-the-Art, electroni-
cally temperature controlled, water-alcohol instrument for the purpose of providing
a precise calibration standard for testing or calibration of alcohol breath analyzers.
The Model 12V500 is the rst simulator of its kind to incorporate dual temperature
probes to independently control and monitor the temperature of the solution. The
temperature of the water-alcohol solution placed in the simulator is maintained at
34° C ± .05° C or better. The inlet and outlet port pathways have been designed to
be an integral part of the one piece heated aluminium top housing thus allowing
uniform heating and reduction of condensation. The new LCD graphics display has
a temperature resolution of .01° C and will display simulator status to the user in
the form of messages and status codes. As with all Guth products the 12V500 has
been engineered using the highest quality components to give reliable, accurate and
trouble free operation.
CERTIFIED SIMULATOR SOLUTION STANDARD
PLEASE NOTE: It is imperative your Simulator Solution be of the highest quality in
ordertoacquirethescienticandlegalstandardsofacceptance.
To establish a precise and accurate calibration standard when using a Guth Simulator,
GUTH LABORATORIES, INC. recommends using Guth Certied Simulator Solu-
tion. Guth Laboratories, Inc., a pioneer and leader in the science of alcohol breath
testing, has provided Certied Simulator Solution to state, municipal, and local law
enforcement agencies for many years.
************
All Guth Certied Simulator Solutions are traceable to NIST (National Institute of
Standards and Technology).
************
Guth Certied Simulator Solutions are prepared in standard concentrations of .02%,
.04%, .05%, .08%, .10%, .15%, .20%, and .30%. Other special concentrations are
available upon request. Please contact Guth Laboratories, Inc. for availability and
pricing:
Toll Free: (800) 233-2338 Fax: (717) 564-2555
or visit our web site at: www.guthlabs.com
STORAGE: Store Simulator Solution in a cool location. Do not place
solution in a freezer.
- DO NOT REFRIGERATE SIMULATOR
1
COMPONENTS & FUNCTIONS
1. TOP HOUSING - The top housing incorporates all the important features
of the simulator. The housing is heated and controlled by use of a head space
heater (U.S. Patent # 8,667,829).
2. LCD DISPLAY - The display indicates the temperature of the solution with
a resolution of .01° C. It also serves to give feedback to the user during use by
displaying status messages. The display is back lighted to allow easy viewing in
all lighting conditions.
3. TEMPERATURE PROBE - The temperature probe consists of two separate
ultra-stable precision thermistor beads. One thermistor bead is used to control
the temperature of the solution at 34° C ± .05° C and the other independently
monitors the temperature of the solution. In the event of either probe failing a
status message is generated on the display.
4. HEATING ELEMENT - The heater element is used to heat the solution to
34° C. It is electronically protected from overheating if the simulator would be
turned on without solution in the container. In the event of a heater failure a
status message will be generated on the display.
5. BAFFLE PLATE - The bafe plate prevents excess solution from entering
the head space or outlet port during a test.
6. AGITATOR - The agitator designed by Guth Laboratories, Inc. stirs the solu-
tion to help maintain a uniform temperature. If the motor fails a status message
will be displayed on the screen.
7. DISPERSION TUBE - A unique dispersion tube disperses the delivery air
uniformly throughout the solution. Tube may be disassembled for cleaning.
8. GLASS CONTAINER - The glass container holds the solution and creates
an airtight seal with the top housing. There is a mark on the container indicating
the solution level at 500 ml ± 5% (#9, Page 3).
10. U.H.C. (Uniform Headspace Conditioner) - To ensure all tests performed
by the Guth Model 12V500 are precise and accurate, an eight (8) blade radial
fan is designed and included in the headspace area. The headspace area is heat-
ed by an imbedded controlled heater. The radial fan provides uniform headspace
heating and the efuent at a constant concentration. Patent Pending.
2
MODEL 12V500
(Front View)
3
GUTH LABORATORIES, INC.
7. DISPERSION TUBE
4. HEATING
ELEMENT
9. SOLUTION
LEVEL
MARK
500 ml ± 5%
8. LABORATORY
GLASS
CONTAINER
5. BAFFLE
PLATE
6. GUTH
AGITATOR
3. DUAL ULTRA-STABLE
PRECISION
THERMISTOR BEADS
1. TOP HOUSING
NONMAGNETIC/EPOXY POWDER COAT
INTERNAL MANIFOLD DESIGN
2. BACKLIT
LCD GRAPHICS
DISPLAY
MODEL 12V500
(Rear View)
11. INPUT POWER JACK - The power jack serves as the input connector for
the external power supply. The 12V500 can be run from the included desktop
switching power supply or any 12VDC source capable of supplying 8 amps.
12. RS-232 COMMUNICATION PORT -The RS-232 port allows the simula-
tor to be interfaced with breath analyzers that support serial communications.
4
11. INPUT
POWER
JACK
(12VDC @ 8 amps)
12. RS-232
COMMUNICATIONS
PORT
10. U.H.C.
(Uniform Headspace
Conditioner)
MODEL 12V500
(Top View)
13. POWER SWITCH - The power switch is used to turn the simulator ON/
OFF. It also functions as a RESET switch.
14. CALIBRATION PORT - The calibration port allows the temperature of the
solution to be measured with an external digital or mercury thermometer.
15. FEMALE INPUT CONNECTOR - The standard input connector is a
1/8” ow female SureLoc that allows for easy and secure hook up to various air
delivery methods. (Customized tting options available)
16. MALE OUTPUT CONNECTOR - The standard output connector is a
1/8” ow male SureLoc that allows for easy and secure hook up for delivering
the calibration sample to various breath analyzers. (Customized tting options
available) 5
15. 1/8”FLOW
FEMALE
INPUT
CONNECTOR
16. 1/8” FLOW
MALE OUTPUT
CONNECTOR -
TO
BREATH ANALYZER
14. CALIBRATION
PORT
13. POWER
SWITCH
MODEL 12V500
POWER SUPPLY
17. POWER SUPPLY - The included UL listed desktop switching power
supply is capable of accepting an input from 100 - 240 VAC and providing an
output of 12 VDC at 8.33 amps.
18. POWER OUTPUT CONNECTOR - The output connector supplies power
to the 12V500. This connector plugs into the power jack on the rear of the
simulator.
19. IEC60320-C14 - Accepts the female connector (IEC 60320-C13) for con-
necting the AC power cord to the power supply.
20. AC Power Cord - Used to connect the power supply to the AC power
source.
20a. NEMA5-15P - Plugs into wall socket or receptacle.
20b. IEC60320-C13 - Plugs into the male inlet (IEC 60320-C14) for
connecting the AC power cord to the power supply.
*OnlyusedinNorthAmerica.
17. External Switching
Power Supply
20a. AC PLUG,
NEMA 5-15P*
19. IEC60320-C14,
Male
Inlet
20b. IEC 60320-C13,
Female
Connector
18. Power
Output Connector
(12VDC @ 8.33 A)
20. AC Power
Cord
6
OPERATING INSTRUCTIONS
1. Unscrew the glass container from the simulator top housing. Pour 500 ml
of Certied Simulator Solution into the container. The Guth laboratory glass
container has a 500 ml ± 5% ll mark.
2.Reassemble the simulator with the glass container. Be sure the container is
properly seated to the top housing. DO NOT OVERTIGHTEN. To check that
the system is airtight cover the outlet port while blowing into the input port. If
back pressure is evident and very few air bubbles are observed emanating from
the dispersion tube the system is airtight.
3. Insert output connector from external power supply to input power jack of
simulator. Insert AC power cord into power supply. Plug power supply into
wall outlet.
4. Turn the power ON. The simulator will beep and the screen shown in gure
1 will be displayed.
5. After approximately 5 seconds the display will change to the screen shown
in gure 2. During this time the simulator will perform an internal diagnostic
check.
6. Figure 3 will be displayed during the warm up cycle. The snow ake icon
indicates that the simulator is still cold and is not ready for use. The temperature
of the solution is displayed in the upper right hand corner of the screen. The
bottom right hand corner shows the status of the top housing temperature.
V1.01
FIGURE 1
FIGURE 2
FIGURE 3
7
7. The solution temperature will increase until the set point of 34.00° C has been
attained. When the set point for the top housing is reached the status bar will no
longer blink and will be completely lled to the right (Figure 4).
8. After both set points have been reached there will be a period of approxi-
mately 1 minute before the ready screen will be displayed (Figure 5).
FIGURE 4
FIGURE 5
8
9. The simulator will beep indicating that it is ready. It is normal for the simula-
tor to display temperatures in the range of 33.95° C to 34.05° C.
10. Follow the operators manual provided by the manufacturer of the breath
analyzer being used for detailed instructions on how to connect and use the
simulator to perform a calibration or accuracy check. See diagram on next page
for basic hookup and operation.
When manually operating the simulator, take a deep breath and blow
into the mouthpiece rmly and steadily for a 4 to 7 second duration. The blow-
ing technique should imitate a person providing a breath sample into the breath
test analyzer.
Rather than manually blowing into the simulator, the following alterna-
tive means also fulll the requirement of providing air through the tubing at-
tached to the simulator: the breath analyzers internal pump, a simulator bellows
pump, a pump-powered air source, or an atomizer. Several precision models of
pumps are available for purchase through Guth Laboratories, Inc.
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