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Alco-Sensor FST® Alcohol Breathaliser




The Alco-Sensor FST (ASFST) provides precise, accurate, repeatable results on direct breath sample testing.


The instrument is also designed to offer a simple passive testing procedure for quick screening of a large number of subjects and the capability of measuring the headspace over a solution to identify alcohol in a suspected open container.


While the Alco-Sensor FST is designed to withstand field use in a policing environment, it is also designed to offer intuitive, simple operating procedures and have sample collection requirements that minimize risk to the operator.



Unique Features.


The Alco-Sensor FST was designed with operator safety in mind. Unlike other instruments available in the market, the symmetric design and rear facing display of the ASFST allows an operator to remain in control of the subject, view the instrument display, monitor the surrounding environment and divert the subject’s breath so that they are not directly in the breath stream during the sample collection process.

The Alco-Sensor FST also offers advantages in low light operations such as a backlit LCD display, an illuminated mouthpiece guide, a “lever and snap” mouthpiece insertion and optional multi-color backlit display messaging to warn of important test conditions.




Calibrations of these products are now done by us in our laboratory, with traceable certification, in conjunction with and approved by the manufacturers.




We are in the process of having the above product approved by the SABS, upon the request of the Johannesburg Metropolitan Police Department (JMPD).

The Alco-Sensor FST®, made by Intoximeters is Hand Held and Portable, is ideal for fast detection of alcohol in breath, and can be used by Industry and Law Enforcement Officers.

Alco-Sensor FST®

Alcohol Breath Tester

T + M ®

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Alco-Sensor FST® (947KB)

Intoximeter Alco-Sensor FST® Alcohol Breath Tester

We would be very pleased to see you at our offices and show room at the address given above. Please use the maps supplied on our Contact Us page, or call us for directions, should you not be using our GPS Co-Ordinates supplied. It will be our pleasure to assist with your unique requirements.

We trust that your visit will be an enjoyable one.         T+M® For Good Measure.

Please Note: This is not our complete range, so please contact us for further information on any product that you require, which is not seen on our site. You can call us on +27 (011) 683 4365 or email us by clicking here.

Copyright  © 2009—2019 Test and Measurement  Instruments C.C.   |  All rights reserved

Intoximeters Alco-Sensor FST®

T.M.I.T+M Products

T + M ®


Intoximeter Alco-Sensor FST® Alcohol Breath Tester


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Ph:           +27 (011) 683 4365

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Physical   Address:              

3 Angelica Ave,

Glenvista, Johannesburg, 2091



Postal Address:

P.O. Box 1416,


Johannesburg, 2135,


011 683 4365
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Lodestar Electronics MSR Electronics T+M VERYTEK range of test and meaurement instrumentsRohde and ShwarzMegger Test Instruments and Equipment, Megger South Africa, Megger SA.Extech Test and Measuring InstrumentsHurleyIR Military Night Thermal Cameras and GimbalsIntoximeters Breath Alcohol Testers



Listed on the Conforming Products List for Evidential Breath Measurement Devices. 

Analytical System

Electrochemical Sensor (Fuel Cell)

Select sensor, manufactured to Intoximeters exacting specifications for accuracy, repeatability and long life. 

Measurement Range 

0.000 to 0.440 g/210L

The off the shelf instrument is designed to offer a range of results that our customers commonly encounter when performing breath alcohol testing.  Custom ranges, and results reported in most units of measure are available upon request. 

Accuracy and Precision 

Highly accurate and precise evidential grade results 

Intoximeters fuel cell based instruments set the industry standard for accuracy and precision.  These precise and linear devices offer consistent output that results in evidentiary grade analysis. 

Sensor Selectivity 

Highly specific for alcohol

Fuel Cell sensors are sought after for their specificity to alcohol.

Sampling Method

Flow, Volume, Breath Drop

Instruments running the standard software require a consistent flow, a minimum volume and then a drop in flow before sampling a deep lung breath.  Alternate sample capture algorithms are available in customized programs. 

Testing Environment 

Instrument Temperature 

The temperature of the instrument must be at, or between, 0 and 40 degrees C.


Ambient Temperature 

As long as the instrument is at temperature, the instrument can be used at, or between, ambient temperatures of -20  to 70 degrees C.



10% to 100% relative humidity  (The instrument is not designed to be used under water.) 


Ambient Pressure 

600 mbar to 1400 mbar; 450 mmHg [0 °C] to 1050 in mmHg [0 °C] 


Direct Testing

Single chamber with air flow diversion away from the operator.  Mounts easily by "lever and snap" insertion in the lighted mouthpiece channel.


Passive Testing

Passive cup permits automatic or manual collection of breath as subject blows towards the cup. Cup snaps onto the two ports in the mouthpiece channel.


Drink Sniffer

Drink sniffer attachment facilitates testing of the headspace over an open container for the presence of alcohol.  Sniffer snaps onto the two ports in the mouthpiece channel.

Visual Output


Backlit graphic LCD with optional multi-color display messaging to warn of important test conditions.

Audio Output 


Audible tone to support displayed messaging system. 

Data Storage 

Number of Tests 

Last test record

Power Options 

Disposable Battery

2 x 1.5V AA alkaline batteries


Rechargeable Battery  

2 x AA rechargeable batteries - Optional 

Case Construction

ABS / Polycarbonate Rubber

Rubber grip and display bezel provided with each instrument

Size, Shape and Weight 


4.75” x 2.75” x 1.75” 



7.5 oz  (212 grams) 

Measurement Types 

Automatic Direct Breath 

Auto sampling of subjects' deep lung breath samples. 


Manual Direct Breath

Manual sampling option for subjects who cannot meet the minimum flow and volume requirements of the instrument. 


Passive Testing

Manual or Automatic sampling capabilities for passive alcohol detection


Headspace Sampling

Capabile of measuring the headspace over a liquid to determine if alcohol might be present in the solution



Capable of requiring passcode access to instrument operations


Multi-Colour Background 

Optional multi-color display background to warn the user of important test conditions