Stephen BissDec 8, 20226 minWhat is Differential Voltage Monitoring (DVM) ?Many years ago Ontario defence lawyers cross-examined breath techs on "how much room there was" on the particular Intoxilyzer 5000C to...
Stephen BissNov 30, 20228 minReliability: Ambient ConditionsTip 41: Changing breath room ambient conditions can reduce "system calibration check" and "system blank test" reliability. Any...
Stephen BissSep 26, 20222 minWhat is Purge Fail on an Intoxilyzer ?What is a Purge Fail on an Intoxilyzer 8000C ? What is a Purge File on an Intoxilyzer 5000C ? How does this phenomenon affect reliability...
Stephen BissSep 13, 20221 minWhat is an Ambient Fail on an Intoxilyzer 8000C?What does "ambient fail" or "ambient failed" mean on an Intoxilyzer 8000C? Watch the following video and ask yourself why the ambient...