Dräger Alcotest 6820 GB / SCT User manual

i
Alcotest 6820 GB / SCT
Breath Alcohol Screening Device
with Datamanagement
Instructions for Use

Contents
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Contents
1 Illustrations and Screens . . . . . . . . . . . . . . . . . . . . . . . . . . .6
1.1 Illustrations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
1.2 Screens . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
2 Safety-related information . . . . . . . . . . . . . . . . . . . . . . . . . .8
3 Conventions used in this document . . . . . . . . . . . . . . . . . . .9
4 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
4.1 What’s in the box? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
4.2 Buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
4.3 Approvals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
4.4 Explanation symbols. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
5 Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
5.1 Intended use. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
5.2 First usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
5.3 Prerequisites. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
5.4 Preparation for use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
5.5 Performing the measurement . . . . . . . . . . . . . . . . . . . . . . .14
5.6 Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
5.7 Further measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
5.8 Refusing a test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
5.9 After sampling. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
6 Set up the device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
6.1 Switching the device on and off . . . . . . . . . . . . . . . . . . . . .18
6.2 Straps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
6.3 Batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
6.4 Mouthpieces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
7 Menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
7.1 Menu symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
7.2 Navigating in the menu. . . . . . . . . . . . . . . . . . . . . . . . . . . .21

Contents
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7.3 Leaving the sub menu or menu . . . . . . . . . . . . . . . . . . . . 21
8 Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
8.1 Mode settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
8.2 Changing the mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
9 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
10 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
10.1 Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
10.2 Accuracy check. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
10.3 Calibration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
10.4 Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
10.5 Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
11 Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
12 Order list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Illustrations and Screens
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1 Illustrations and Screens
1.1 Illustrations
The Illustrations help to visualise the tasks described in some sections.
00233765
Hand strap
Wrist strap
Attaching mouthpiece
Batteries
+
+

Illustrations and Screens
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1.2 Screens
Following overview shows some of the possible displays referring to
the describing section in this document.
Results
After sampling
00633765
ALERT FAIL 100
μg/100 ml
ZERO PASS 0
μg/100 ml
SKIP
Subject Ethnic
SKIP
Subject Ethnic
W1
White British
Menu
Back to menu
Check value:
35μg/100 ml
Gas Type:
Dry gas
Accuracy check
Next
Back to measurement
Last test
Set contrast
Last cal. date
Set mode
Accuracy check
Providing Refusal
REFUSAL?
YES
NO
Invalid results
Insufficent
Volume
OK
SKIP
Subject Ethnic
W1
OK
SKIP
Subject Ethnic
W1
OK

Safety-related information
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2 Safety-related information
Strictly follow the instructions for use.
Any use of the instrument and its accessories requires full
understanding and strict observation of these instructions.
The instrument is only to be used for the purposes specified
herein.
We recommend that a service contract be obtained with Dräger
Safety and that all repairs be carried out by them.
Liability for proper function or damage
The liability for the proper function of the instrument is irrevocably
transferred to the owner or operator to the extent that the instrument is
improperly serviced or repaired by personnel not employed or
authorized by Dräger Safety or if the instrument is used in a manner
not conforming to its intended use.
Dräger cannot be held responsible for damage caused by non-
compliance with the recommendations given above.
The warranty and liability provisions of the terms of sale and delivery
of Dräger are likewise not modified by the recommendations given
above.
Dräger Safety AG & Co. KGaA

Conventions used in this document
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3 Conventions used in this document
The following symbols are used in this document to provide and
highlight areas of the associated text that require a greater awareness
by the user. A definition of the meaning of each icon is as follows:
CAUTION
Indicates a potentially hazardous situation which, if not avoided, could
result in physical injury. It may also be used to alert against unsafe
practices.
NOTICE
Indicates a potentially hazardous situation which, if not avoided, could
result in damage to the product or environment.

Description
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4 Description
4.1 What’s in the box?
1 Dräger Alcotest 6820 measuring device (incl. 2 batteries)
2 Mouthpieces (3 pieces)
3 Wrist strap
1
3
2
00833765

Description
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4 LED (red, green, yellow)
5DOWN-/MENU-button
6 Charging/ communications socket
7OK button
8UP-button
9Display
10 Screw plug
00733765
58
4
7
9
10
6

Description
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4.2 Buttons
4.3 Approvals
The Dräger Alcotest 6820 fulfills the requirements of type-approval
procedures for breath alcohol screening devices used for law
enforcement in Great Britain.
4.4 Explanation symbols
The following table shows the function symbols.
For menu related symbols on page 19 section "Menu symbols".
Button Function
Switching on and off the device and confirming entries
or selected functions. In further text written OK.
Entering the menu and navigating down in the menu
and jump between digit positions. In further text written
DOWN or MENU.
Navigating up in the menu, jump between digit
positions. In further text written UP.
Symbol Meaning
Activated item
Actual screen (one of six)
OK
M

Use
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5Use
5.1 Intended use
Only for the detection of a person’s alcohol intoxication through
measurement of the breath alcohol concentration.
5.2 First usage
Before starting the measurement the device has to be set up.
Inserting batteries (on page 17 section "Inserting or replacing the
batteries")
Fitting strap (on page 16 section "Straps")
Mounting mouthpiece (on page 18 section "Mouthpieces")
5.3 Prerequisites
The ambient air must be free from alcohol and solvent vapours, e.g.
disinfectants.
5.3.1 Adequate breath sample
The test person should breath regularly and calmly before the
sample is taken.
Avoid breathing in and out quickly through the mouth.
The test person must be capable of exhaling the minimum breath
volume.
For a valid test the exhaling breath must constantly flow for at least
2 seconds (factory settings).
Before sampling the test person must breathe normally. Quick
inhaling and exhaling through the mouth must be avoided.
5.3.2 Waiting time after the last drink
Maintain a waiting period of at least 20 minutes after drinking
alcohol!
Rinsing the mouth with water or non-alcoholic drinks does not
reduce this waiting period!

Use
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Residual alcohol in the mouth or aromatic drinks (e.g. fruit juice),
mouth sprays containing alcohol as well as medicines can distort
the measurement.
5.4 Preparation for use
1. Make sure the batteries are inserted and charged.
2. Make sure to hold the device tightly and safe by using the wrist or
hand strap properly.
3. Switch on the device by pressing OK. (on page 16 section
"Switching the device on and off")
The mode is shown in the display for approx. 3 sec. It can be
changed in the menu. (on page 18 section "Menu")
Test Reason is shown in the display.
4. Press OK to continue.
5. Follow the displayed user defined screen dialogue and fill the
required input.
If the device is ready for measurement, READY is shown in the
display.
6. Insert a new mouth piece (on page 18 section "Mouthpieces").
An new mouth piece must be used for each test.
5.5 Performing the measurement
1. Make sure all prerequisites (on page 11 section "Prerequisites")
are met and all preparations (on page 12 section "Preparation for
use") are done.
2. Ask the test subject to blow evenly into the mouthpiece without
interruption.
A sufficient flow is indicated by a continuous tone and the green
lightning LED.
While the sample is taken the display shows: Blow.
When the sampling was successful the green light is going to
cease and the tone is going to stop.
The display shows: WAIT - Analyzing
If the test was successful the result is shown in the display.
If the test must to be performed again: Continue at 5.7 Further
measurement.

Use
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5.6 Results
After 5 to 25 seconds (depending on the instrument temperature and
the measured concentration) the measured value is shown in the
display and stored in the device (on page 5 section "Screens").
The presentation of the measured value depends on the pre-set mode.
It can be displayed by the following massages: ZERO, PASS, or the
value in a decimal presentation.
The test person has got an unobtrusive alcohol level.
It can be displayed the following massages: ALERT, FAIL, or the value
in a decimal presentation.
The test person has got an noticeable alcohol level.
Continue aton page 15 section "After sampling".
A sampling with low volume can cause an error. In this case the horn
sounds briefly, the red LED flashes and the display shows Insufficient
Volume (on page 5 section "Screens"). The exhalation breath during
the sampling is not to weak or not evenly enough.
Repeat the test (on page 11 section "Adequate breath sample").

Use
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5.7 Further measurement
1. To repeat a test or perform a new measurement (A new mouth
piece must be used for each test.) select Next Test.
2. Press OK.
During the sensors recovery time the display shows: WAIT.
3. Continue at 5.5 Performing the measurement.
5.8 Refusing a test
If the test person is unable or unwilling.
5.8.1 Providing REFUSAL
1. press UP to complete the test. The result is detected as
REFUSAL.
2. To proceed the result confirm with YES.
To cancel the result press NO.
5.8.2 To repeat the REFUSAL
1. press OK.
The instrument is ready in 4 seconds.

Use
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5.9 After sampling
Follow the user defined dialogue in the display and fill the required
input. Each input can be skipped. To Skip one press UP once or twice
and confirm by pressing OK. The measurement value will be saved
any way.
The following inputs are possible:
Subject (test person) Ethnic
1. Enter by pressing OK.
2. Choose ethnic by using the UP and DOWN buttons.
3. Confirm by pressing OK twice.
Officers Identity
1. Enter by pressing OK.
2. Set digits by using the UP and DOWN buttons.
To enter a 5 digit code use Blank for the first digit.
3. Confirm by pressing OK.
4. Confirm by pressing OK twice.
Location of Test
1. Enter by pressing OK.
2. Set digits by using the UP and DOWN buttons.
3. Confirm by pressing OK.
4. Confirm by pressing OK twice.
If the input is done successfully Data saved is shown in the display
and the option Next Test (on page 14 section "Further measurement")
or Switch off can be chosen.
1. Remove the mouthpiece by pushing it up. See on page 4 section
"Illustrations".
2. Dispose it in accordance with local regulations.

Set up the device
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6 Set up the device
6.1 Switching the device on and off
Switch on the device by pressing OK for approx. 2 sec.
The sensor is warming up and the following information is shown one
after the other in the display.
1. Dräger Alcotest 6820
2. Info screen with date, time, battery charging level, test number
and temperature
3. WAIT
4. Mode screen depending on the pre-set
5. Test Reason
The device can be use according the instruction (on page 12
section "Performing the measurement")
Switch off the device
Switch off during Test Reason status.
1. Enter by pressing OK.
2. Set Subject Age and Gender.
READY is displayed.
Now it’s possible to switch off the device by pressing OK for
approx. 4 sec.
The device will switch off automatically after 4 minutes without
using.
6.2 Straps
To have the right grip on the device two different straps can be
mounted. See on page 4 section "Illustrations".
6.2.1 Mounting the wrist strap
1. Undo the screw plug on the battery lid (e.g. using a coin) and
remove the battery lid.
2. Insert the eyelet in the opening and fix with the screws (2x).
3. Guide the fastening lug of wrist strap through the eye.

Set up the device
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4. Pull the lower part of the wrist strap through the strap.
5. Close the battery lid and tighten the screw plug.
6. Thread the wrist strap through the adjuster.
6.2.2 Mounting the hand strap
1. Undo the screws (2x) of the mouthpiece receptacle and remove
the mouthpiece receptacle.
2. Undo the screw plug on the back of the device (e. g. using a coin)
and remove the battery lid.
3. Insert the upper eyelet of the hand strap in the upper opening on
the device.
4. Place the mouth piece receptacle on the device and fix it with the
screws (2x).
5. Insert the bottom lug of the hand strap in the bottom opening on
the device and fix it with the screws (2x) of the hand strap.
6. Close the battery lid and tighten the screw plug.
6.3 Inserting or replacing the batteries
Inserting the batteries upon initial operation or changing/ charging if
the battery symbol, shown in the displays right upper corner,
indicates empty. See also on page 4 section "Illustrations"
CAUTION
Damage to the device! Do not charge alkaline batteries, as the device
may be damaged otherwise.
1. Undo the screw plug on the battery lid (e. g. using a coin) and
remove the battery lid.
2. Insert the batteries and make sure that the polarity is correct.
3. Close the battery lid and tighten the screw plug.

Menu
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Required batteries batteries:
2 x 1.5 V alkaline type (LR6, AA) or,
Dispose and caution for batteries on page 25 section "Disposal".
6.4 Mouthpieces
The device is supplied with 2 different mouthpiece receptacles. Three
mouth pieces are included the delivery.
To ordering new mouth pieces on page 28 section "Order list".
Attaching a mouthpiece
1. Open the packaging of mouth piece.
2. Remove the rear part of the packaging.
For reasons of hygiene, leave the front part around the mouth
contact area until the mouthpiece is firmly attached to the device.
With mouthpiece receptacle:
With the fluted markings (press-on surface) facing upwards, attach
the mouthpiece at an angle, push it upwards and press it into the
mouthpiece receptacle. The mouthpiece audibly snaps into place.
The mouthpiece can be used facing to the right or to the left.
3. Remove all packaging.
The mouth piece is now ready for measurement.
7Menu
The menu shows following entries (See on page 5 section "Screens"):
Last test: Shows the value of the last sampling.
Last cal. date
Only shows the date of the last calibration and accuracy check.
Set mode
Lists the available modes. The mode can be changed.
Set contrast
The contrast can be adjusted by using UP and DOWN.
Accuracy check
To perform an accuracy check.

Modes
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7.1 Menu symbols
7.2 Navigating in the menu
1. Switch on the device (on page 16 section "Switching the device on
and off").
2. Press MENU to enter the menu.
3. Navigate through the menu list by using UP and DOWN.
4. Select a menu entry by pressing OK.
7.3 Leaving the sub menu or menu
1. Navigate to the upper entry by pressing UP several times.
The upper entry can be Back to measurement or Back to menu
2. Choose the entry by pressing OK.
8Modes
The device is set up with 4 different modes, listed in the menu (on page
18 section "Menu").
The menu shows following entries: AIR, ROAD, MARINE, RAIL
Symbol Meaning
Return to next higher menu level
Back to measurement
Menu item with sub-menu
Open menu item
Menu item

Modes
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8.1 Mode settings
The following limits (factory setting) are activated:
8.1.1 Mode settings England and Wales
8.1.2 Mode settings Scotland
8.2 Changing the mode
1. Enter the menu (see on page 18 section "Menu").
2. Select Set mode.
3. Choose desired mode and confirm by pressing OK.
AIR ROAD MARINE RAIL
ZERO
<4 μg/100 mL <4 μg/100 mL <4 μg/100 mL <4 μg/100 mL
PASS
<9 μg/100 mL <31 μg/100 mL <31μg/100 mL <31 μg/100 mL
ALERT
- <35 μg/100 mL <35 μg/100 mL <35 μg/100 mL
FAIL
<9 μg/100 mL <36 μg/100 mL <36 μg/100 mL <36 μg/100 mL
AIR ROAD MARINE RAIL
ZERO
<4 μg/100 mL <4 μg/100 mL <4 μg/100 mL <4 μg/100 mL
PASS
<9 μg/100 mL <17 μg/100 mL <20 μg/100 mL <31 μg/100 mL
ALERT
- <23 μg/100 mL <26 μg/100 mL <36 μg/100 mL
FAIL
<9 μg/100 mL ≥ 23 μg/100 mL ≥ 26 μg/100 mL ≥ 36 μg/100 mL