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Alco-Sensor® IV with Memory

The Alco-Sensor IV with Memory provides a simple, accurate and economical method of determining breath alcohol concentration, with the ability to store test results for easy retrieval.
Evidential grade breath test results are stored to the on-board memory for printing or a later transfer to a computer-based centralized database program (sold separately).


Features Include:

  • Intoximeter’s reliable, top-of-the-line fuel cell technology
  • Automated, software driven breath testing protocol
  • LED display, providing step-by-step instructions for fail-safe alcohol testing
  • Automatically samples deep lung breath
  • Standard three digit readout
  • Stores test records to memory
  • Capable of printing test results (with optional printer)
  • Mouthpiece release feature eliminates operator contact with a used mouthpiece
  • Easy operation, with mouthpiece powering the instrument “on” and “off”
ApprovalsNHTSAListed on the Conforming Products List for Evidential Breath Measurement Devices.
Analytical SystemElectrochemical Sensor (Fuel Cell)Select sensor, manufactured to Intoximeters exacting specifications for accuracy, repeatability and long life.
Measurement Range0.000 to 0.400 g/210LThe 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 a most units of measure are available upon request.
Accuracy and PrecisionHighly accurate and precise evidential grade resultsIntoximeters 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 SelectivityHighly specific for alcoholFuel Cell sensors are sought after for their specificity to alcohol.
Sampling MethodFlow, Volume, Breath DropInstruments 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 EnvironmentInstrument TemperatureThe temperature of the instrument must be at, or between, 10 and 40 degrees C.
Ambient TemperatureAs long as the instrument is at temperature, the instrument can be used at, or between, ambient temperatures of -20  to 70 degrees C.
Humidity10% to 100% relative humidity  (The instrument is not designed to be used under water.)
Ambient Pressure600 mbar to 1400 mbar; 450 mmHg [0 °C] to 1050 in mmHg [0 °C]


One-way check valve

Insert to power unit ON

Visual OutputDisplayRed, four character LED
Audio OutputBeeperAudible tone to support displayed messaging system.
Data StorageNumber of TestsDepending upon on-board memory type selected, the ASIV with Memory offers from 86 to 1,080 stored tests.
Power OptionsDisposable BatterySingle 9V alkaline battery
Rechargeable Battery9V rechargeable batteries – Optional
Case ConstructionMetal flake impregnated ABSRugged casing protects instrument and internal components.
Size, Shape and WeightDimensions5.5” x 3.5” x 1.5”
Weight11 oz  (311.8 grams)
Measurement TypesAutomatic Direct BreathAuto sampling of subjects’ deep lung breath samples.
Manual Direct BreathManual sampling option for subjects who cannot meet the minimum flow and volume requirements of the instrument.
OptionsPrintersSerial thermal and impact printer options exist for interface to the ASIVm.
SoftwareTotal Recall Software is available for downloading test data to a computer.


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