LION SD-400 Instruction Manual
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lion alcolmeter®SD-400
User Handbook: General
Issue 7 [RM40977]
Copyright 2012, Lion Laboratories Limited
lion alcolmeter®SD-400 User Handbook [v7]
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lion alcolmeter®SD-400 User Handbook [v7]
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lion alcolmeter®SD-400 User Handbook [v7]
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CONTENTS
1. Introduction........................................................................... 5
2. Principle of Operation…………………………………………. 6
3. Instrument Features….......................................................... 7
4. Subject Breath Test……….................................................... 10
5. Using the SD-400 with a Printer........................................... 14
6. Instrument Power Supply Systems...................................... 16
7. Clock and Calendar……………………………………………...18
8. Do’s and Don’ts...................................................................... 19
9. Calibration Checks and Adjustment…………….……..……..21
9A. Background……………………….……………….….…………. 21
9B. AlcoCal®Alcohol Standards……………………..…………….. 21
9C. Calibration Checking……………………………………………. 24
9D. Calibration Adjustment………………………………………….. 26
Appendix I: Warning and Error Messages…………………….30
Appendix 2: Technical Details……………………………………31
Appendix 3: Alcohol Concentration Units……………………..34
Appendix 4: Lion Contact Information………………………….36
lion alcolmeter®SD-400 User Handbook [v7]
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PLEASE!
Read this Handbook carefully, BEFORE using
the instrument for the first time.
lion alcolmeter®SD-400 User Handbook [v7]
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1: Introduction
The lion alcolmeter®SD-400 is a hand-held, breath alcohol
analyser for use in traffic law enforcement, medical and industrial
safety applications. The instrument is easy-to-use, and allows a
complete breath test to be completed in about one minute.
The standard instrument version has a 500-test memory. This
records the date, time and result of each test, from where it can be
downloaded to a PC using software available from Lion.
This handbook is written for the lion alcolmeter®SD-400 as it is
most commonly used. However, because many of its operating
functions are configurable, it is not possible to cover all the
permutations of method operation in this handbook. Information on
the use of these additional features is available from Lion.
This handbook explains the following aspects of the instrument, so
please read it carefully:
basic principles of operation
how to run a breath test
interpretation of results
calibration checking
calibration adjustment
care and basic maintenance
lion alcolmeter®SD-400 User Handbook [v7]
2: Principle of Operation
The lion alcolmeter®SD-400 uses an electrochemical fuel cell
sensor to measure the concentration of alcohol vapour in the
subject’s expired breath; a measured amount of which is drawn from
the mouthpiece into the fuel cell by means of the sampling system.
In the fuel cell a voltage is generated in proportion to the breath
alcohol concentration: it is therefore amplified and displayed in
terms of the subject’s alcohol level.
The breath sampling system is factory-set to sample deep-lung air; it
is the breath from the bottom of the lungs that truly reflects the
amount of alcohol in the body.
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lion alcolmeter®SD-400 User Handbook [v7]
3. Instrument Features
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Please note the following user features of the instrument:
1 On/Off Switch 6 Spigot Mouthpiece
2 Indicator Lights 7 Function Switches
3 Display 8 Communications Port
4 Beeper 9 Power supply Unit
5 Sampling Port 10 Dongle Electronic key
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4
5
2
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2
4
10
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lion alcolmeter®SD-400 User Handbook [v7]
On/Off Switch (I-0)
Press once to switch on, press again to switch off. Use of the
On/Off switch is inhibited to prevent switch-off during a breath test.
Indicator Lights
WAIT the system is not ready to sample;
probably because the sensor is not
clear of alcohol from the last test.
READY the instrument is ready to sample.
FLOW the subject is blowing hard enough.
ANALYSING a sample has been taken: its alcohol
content is being measured.
Digital Display
Shows the subject’s alcohol level, time and date, the battery
condition, and error messages. It is illuminated for use at night.
Beeper
Gives audible messages of certain events and conditions.
Sampling Port
The entrance to the fuel cell and
breath flow sensor. This port must
NOT become blocked or restricted.
Spigot Mouthpiece
A new mouthpiece is fitted to the sampling port for
each breath test. This disposable item is individually
and hygienically wrapped.
A NEW mouthpiece MUST be used for each complete breath test: but
NOT essentially for repeated blows by a subject in the same test
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lion alcolmeter®SD-400 User Handbook [v7]
The Four Function Switches
These have various uses, as stated in this handbook. From the left,
they are referred to as B, C, and D(the On/Off switch is A).
Communications Port
This allows access to certain software routines (such as calibration
adjustment), when the Dongle key is fitted. If the instrument is used
with a printer, the printer cable is connected here. This port is also
used for transferring stored breath test data to a PC.
Power Supply
This is located on the back of the instrument and fitted with either 5
disposable alkaline batteries (AA) - the PSU; or the rechargeable
power unit the RPU. To remove from the main case, press and hold
down the release button on the main case, then pull down.
Dongle Electronic Key
A security key which is fitted to the
communications port so as to access
certain software routines, such as for
instrument calibration adjustment.
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