#manufacturersspecifications

Reliability - Calibration is a Curve

Tip 50: When an "approved instrument" is calibrated at the factory, the manufacturer doesn't simply adjust the electronics in the...

Annual Inspections Done Without Reference to Manufacturer's Specifications

This is a sample cross-examination of an Ontario CFS scientist on the procedure used to perform an initial factory calibration (or a...

Police No Longer Follow ATC Best Practices Respecting Tolerance

Purpose of this sample cross-examination: To demonstrate that when the particular instrument was first placed into service, the tolerance...

Heater Response Time on Guth 2100

Purpose: To further challenge the Crown's suggestion that the anomalous low cal. checks that occurred in this breath truck were not...

Use of Wet-bath Simulator in Winter Cold Temperatures

Purpose: To cross-examine a CFS scientist on use of Guth 2100 wet-bath simulator under Canadian cold operating conditions To build a case...

Wet-bath Simulators Manufacturer Specs

Purpose: To obtain an admission from a CFS scientist that expectation of ATC Best Practices Recommendation is for annual inspection of...

Being Intolerant Depends on Humans not the Machine

Purpose: To challenge the Crown's assertion that the AI will automatically shut down if anything is out of tolerance or ATC or...

Distorted Concept of "Accuracy", "Precision", and "Reliability"

Purpose: To remind the Court of the concept of "reliability" used by the SCC in St-Onge. To educate the Court as to the definitions of...

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