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BAC Instruments and SAS in Ontario

Guth 2100 Simulator

Manufactured by: Guth Industries

Used by: Most Ontario police use a Guth 2100 simulator with their approved instruments.

External Link to Manufacturer

External Link to Local Distributor

Uses a digital thermometer. The calibration of this thermometer needs to be checked on a regular basis against a NIST traceable mercury thermometer. If regular maintenance is not conducted, there is a danger that the simulator will not reliably maintain a temperature of 34.0 +-.2C.

Link to Blog Respecting this Guth 2100 #duisimulator

For an example of an older 104D simulator that has not been properly maintained and calibration checked please see the following YouTube videos.


Please see www.impaired-driving.com for more recent information on approved instruments and accessory equipment used in Ontario, Canada.

Warning: This is NOT a government web site.  







This site is designed to encourage fair professional discussion among police officers,  lawyers, toxicologists, and judges respecting the appropriate use of these instruments. Please report any inappropriate or unfair comments forthwith to biss@lawyers.ca.
Intoxilyzer®  is a registered trademark of CMI, Inc. The Intoxilyzer® 5000C is an "approved instrument" in Canada.
Breathalyzer® is a registered trademark of Draeger Safety, Inc., Breathalyzer Division. The owner of the trademark is Robert F. Borkenstein and Draeger Safety, Inc. has leased the exclusive rights of use from him. The Breathalyzer® 900 and Breathalyzer® 900A are "approved instruments" in Canada.
Alcotest® is a registered trademark of Draeger Safety, Inc. The Alcotest® 7410 GLC is an "approved screening device" in Canada.


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  WARNING: All information contained herein is provided for the purpose of providing basic information only and should not be construed as formal legal advice. The authors disclaim any and all liability resulting from reliance upon such information. You are strongly encouraged to seek professional legal advice before relying upon any of the information contained herein. Legal advice should be sought directly from a properly retained lawyer or attorney.

Warning: This is NOT a government web site.