Stephen BissDec 28, 20222 minReliability: Aging - Losing MemoryThe Intoxilyzer® 8000 depicted in this video was once a reliable evidentiary breath testing instrument in the United States. It is...
Stephen BissDec 21, 20226 minContinuity of Alcohol Standard Solution: Keep from FreezingMany years ago I asked for timely disclosure/production of a representative bottle of the alcohol standard lot used during the breath...
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 BissNov 18, 20223 minStudy the Block Diagram in the Wet-Bath Simulator Manufacturer's ManualTip 25: Obtain a copy of the Guth Laboratories, Inc. wet-bath "Model 2100 Simulator Operation Manual" and study the "Model 2100-Block...