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The following is an instrument used in the course of BAC or drug screening or analysis in Ontario, Canada.
Mercury Thermometer
Made By:
Guth Industries
This NIST traceable mercury thermometer is used by all Ontario police services, except the OPP. The OPP use traceable electronic digital reference thermometers.
Police should use a NIST traceable mercury thermometer on a regular basis to check the reliability of the digital display on a Guth 2100 or other digital wet-bath simulator.
It can be difficult to read a mercury thermometer. It is easy to make a mistake unless you look very carefully. However, it is not safe to assume that a digital thermometer is more accurate or reliable than a mercury thermometer.
What happens if you add a NIST traceable mercury thermometer to a Guth 104D simulator? This simulator has not been maintained recently. It needs re-calibration. Although the digital display always reads 34.0C (once the simulator is warmed up) the mercury thermometer reads 34.3C.
Intoxilyzer® is a registered trademark of CMI, Inc. The Intoxilyzer®5000C and the Intoxilyzer®8000C are each 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® and DrugTest® are registered trademarks of Draeger Safety, Inc. The Alcotest® 6810 and 7410 GLC are each an "approved screening device" in Canada. The DrugTest® 5000 is "approved drug screening equipment" in Canada.