Reliability: Ambient Conditions
Tip 41: Changing breath room ambient conditions can reduce "system calibration check" and "system blank test" reliability. Any...
top of page
duimetrology.com
905-273-3322 or 1-877-273-3322
Search
Stephen Biss
- Nov 18, 2022
- 3 min
Study the Block Diagram in the Wet-Bath Simulator Manufacturer's Manual
Tip 25: Obtain a copy of the Guth Laboratories, Inc. wet-bath "Model 2100 Simulator Operation Manual" and study the "Model 2100-Block...
7 views0 comments
Stephen Biss
- Nov 10, 2022
- 2 min
Calibration Check on Periodic Inspection of Wet-bath Simulator
Tip 27: Does the Inspector use a traceable reference thermometer, that is accurate and precise, to at least two decimal places, to...
6 views0 comments
Stephen Biss
- Nov 3, 2022
- 3 min
Continuity of Alcohol Standard: CalGuard Feature
Tip 40: Some police services take the position that they don't need to use seals between the simulator housing and the jar. Failure to...
3 views0 comments
Stephen Biss
- Oct 26, 2022
- 2 min
Continuity: Write on Empty Bottle
Tip 35: The simplest method of communicating the last change date of the alcohol standard solution placed into the wet-bath simulator is...
4 views0 comments
Stephen Biss
- Oct 15, 2022
- 4 min
Continuity: From the Box
Tip 37: Defence lawyers need to study the video - does the qualified technician take a random (unrelated to the matter before the Court)...
9 views0 comments
Stephen Biss
- Oct 6, 2022
- 1 min
Certificate of Calibration of a NIST mercury thermometer
Tip 14: Whenever police purchase a new NIST mercury thermometer, the Canadian distributor provides them with a "Guth Laboratories, Inc....
5 views0 comments
Stephen Biss
- Oct 3, 2022
- 2 min
Continuity: Use of a Seal
Tip 38: One of the best ways to control wet-bath simulator alcohol standard continuity is to use alphanumeric police seals and record...
8 views0 comments
Stephen Biss
- Sep 30, 2022
- 1 min
Continuity: Whiteboard or blackboard method
Tip 36: Some police detachments have been known to write the manufacturer name, lot number, name/badge of solution change officer,...
14 views0 comments
Stephen Biss
- Sep 16, 2022
- 2 min
Appendix E: Location & Anecdotal Notes in Log
Tip 30: The CFS 8000C Training Aid of 2013 at page 191 of 238, Appendix "E" recommends that the Alcohol Standard Log, updated by the...
1 view0 comments
Stephen Biss
- Sep 2, 2022
- 2 min
Reliability: Cal Checks in the Context of Earlier & Later Ambient Fails
Tip 47: A calibration check using a wet-bath simulator containing alcohol standard is not reliable if information is missing about air...
8 views0 comments
Stephen Biss
- Aug 31, 2022
- 2 min
Reliability: Disabling Ambient Fail Exception, Making Alcohol Disappear
Tip 45: Study the breath room video and learn everything you can about the breath room and detachment. Watch for: Has the qualified...
9 views0 comments
Stephen Biss
- Aug 28, 2022
- 5 min
Reliability: Air Blanks "System Blank Test"
Tip 43: A properly functioning approved instrument air blank system (including the instrument itself, the ambient environment around the...
9 views0 comments
Stephen Biss
- Aug 18, 2022
- 2 min
Ambient Interferents Compromise Reliability of Control Tests
Tip 48: The reliability of control tests using the alcohol standard in a wet-bath #duisimulator may be compromised by the presence in the...
15 views0 comments
Stephen Biss
- Jul 15, 2022
- 2 min
Continuity: Outgoing = Incoming Seal Numbers
Tip 39: The key to usefulness of alphanumeric seals on a #duisimulator is whether or not the incoming seal number on the subsequent...
3 views0 comments
Stephen Biss
- Jun 24, 2022
- 1 min
Are police officers tempted to record 34.00 without actually checking the simulator thermometer?
Tip 21: A CFS scientist has acknowledged police sometimes are tempted to record 34.0. Evidence of a CFS scientist, Dr. L, April 10, 2013,...
11 views0 comments
Stephen Biss
- May 28, 2022
- 4 min
Continuity of the Alcohol Standard
Tip 34: The use of an alcohol standard during evidentiary breath testing in Canada was not mentioned in the Criminal Code as a condition...
9 views0 comments
Stephen Biss
- May 6, 2022
- 2 min
Location is Everything
Tip 31: Location is everything when it comes to a #duisimulator in Ontario. The CFS Training Aid recommends that the alcohol standard be...
8 views0 comments
Stephen Biss
- Apr 30, 2022
- 3 min
Know the Simulator Probes
Tip 24: Knowledge of #duisimulator probes assists understanding of function & malfunction of thermistor, heater, and thermometer(s). Many...
6 views0 comments
Stephen Biss
- Apr 19, 2022
- 1 min
Chips & Cracks in the Simulator Jar
Tip 28: Make inquiries about chips or cracks in the simulator jar. Use a FOI application, Stinchcombe, O'Connor, or cross-examine to make...
37 views0 comments
bottom of page