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Unfortunately it is very easy for a qualified technician to reverse the inlet and outlet couplings Intoxilyzer to wet-bath simulator.

It is very easy for a qualified technician to accidentally flood the sample chamber on an Intoxilyzer 5000 (or 5000C) or an 8000 (or...

The Intoxilyzer® 8000 depicted in this video was once a reliable evidentiary breath testing instrument in the United States. It is...

Many years ago I asked for timely disclosure/production of a representative bottle of the alcohol standard lot used during the breath...

Please carefully re-read what the Supreme Court of Canada said about "reliability" in R. v. St-Onge Lamoureux. Please think about and...

Many years ago Ontario defence lawyers cross-examined breath techs on "how much room there was" on the particular Intoxilyzer 5000C to...

Tip 41: Changing breath room ambient conditions can reduce "system calibration check" and "system blank test" reliability. Any...

If you served wine or beer at a pub in ancient Egypt the beverages were measured out using liquid volume instruments like these. Each...

Tip 25: Obtain a copy of the Guth Laboratories, Inc. wet-bath "Model 2100 Simulator Operation Manual" and study the "Model 2100-Block...

Does partial automation of error-checking in an approved instrument: specifically diagnostics tests, air blanks, cal. checks, and maximum...

Tip 37: Defence lawyers need to study the video - does the qualified technician take a random (unrelated to the matter before the Court)...

Purpose: To suggest that there is empirical evidence in the matter before the Court of change in response by the approved instrument at...

Tip 14: Whenever police purchase a new NIST mercury thermometer, the Canadian distributor provides them with a "Guth Laboratories, Inc....

Tip 38: One of the best ways to control wet-bath simulator alcohol standard continuity is to use alphanumeric police seals and record...

Tip 36: Some police detachments have been known to write the manufacturer name, lot number, name/badge of solution change officer,...

What is a Purge Fail on an Intoxilyzer 8000C ? What is a Purge File on an Intoxilyzer 5000C ? How does this phenomenon affect reliability...

What does "ambient fail" or "ambient failed" mean on an Intoxilyzer 8000C? Watch the following video and ask yourself why the ambient...

What does an air blank look like on an Intoxilyzer 8000 or 8000C? What is a blank test? What is a system blank test? What does 000 mean...

Tip 29: Obtain disclosure, of the full #duisimulator alcohol standard log, to search for anecdotal notes of difficulties experienced by...

This is the same Intoxilyzer® 64 with upgraded keyboard and (software) serial number depicted in the blog "Ambient Conditions Change...