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The RBT IV consists of an Alco-Sensor® IV and a programmed Microprocessor Printer which prompts the step-by-step test sequence, prints a hard copy of the result and stores test information to memory.


The standard RBT IV will request the entry of subject and/or operator information prior to performing a test and then will produce a hard copy result documenting the collected data along with pertinent test result information. Specific test protocols are available, off the shelf, including DOT, NRC and Law Enforcement protocols. Custom protocols in a variety of languages can also be designed upon request with three or four digit results.

Analytical System Utilizes an Intoximeters electrochemical fuel cell sensor which generates an electrical response that is proportional to the Breath Alcohol Concentration in the provided, fixed volume sample. The fuel cell sensor is highly selective for alcohol. It does not respond to acetone or other substances found in the human breath after a fifteen minute deprivation period.
Measurement Types Direct Test / Manual Sample
Direct Test / Automatic Sample
Measurement Range .000 to .400 g/210L (custom ranges and units of measure are available)
Accuracy and Precision Meets the NHTSA model specifications for Evidential Breath Test Devices
Environmental Limitations Instrument is designed to be used and has a proven track record in almost any environment that an operator could expose breath alcohol testing instruments to. Instrument operates in a wide range of temperatures, ambient humidity, and atmospheric pressures.
Mouthpiece Direct Sample – Intoximeters designed one-way mouthpiece provides both a means to turn the instrument on without damaging the on switch mechanism and provides a tested and proven mouthpiece that produces accurate and repeatable results with minimal backdraw.
Visual Output
Highly visible red, four character LED display on ASIV and backlit two line sixteen character LCD display on RBT printer
Audio Output
Audible tone to support visual messaging
Data Storage 900 tests (depending upon number of data fields collected)
Print Capable The RBT IV has its own custom printer/microprocessor for printing and storing test data
Power Options Disposable Batteries – Single 9V alkaline battery in ASIV
Power for Printer – Rechargeable 12V DC battery for RBT (trickle charger included)
Wall Current – Optional power adapter for stationary use (without 12V battery)
Case Construction Instrument – Metal fiber impregnated, impact resistant ABS plastic to protect the instrument from rough handling and provide radio frequency shielding.
Printer case is made of ABS plastic.
Carrying case – Nylon, water resistant softcase is provided in standard package.
Physical Instrument Dimensions – 5.5″ x 3.5″ x 1.5″
Instrument Weight (with batteries) – .69 lbs.
Standard Carrying Case Dimensions – 16″ x 6″ x 14″
Standard Carrying Case Weight (loaded) – 7.25 lbs.
Approvals NHTSA (US DOT) EBT, Inquire for list of approved US states or certifications in countries outside of the USA. CE Mark
Standard Package Includes RBTIV Printer/Microprocessor
Printed Manual
100 Mouthpieces
Instrument Options
IntoxNet Data Management System
RBTIV Serial Adapter
Training Intoximeters offers in person training and has a variety of training tools available to help a user cascade training to their own operators. Contact our training department for more information (see Training section of our website at www.intox.com/training).


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