PAS Systems International PAS V Instruction Manual
Also see for PAS V: Calibration manual
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12The PAS V readings should not be taken as an accurate indication of thestrength of the drink. However, with a little experience you should be able todistinguish between beer, wine, and spirits. Take the time to practice on variousdrinks and develop an operating style that avoids overloading the instrument.CAUTION! Be aware that certain citrus-based beverages, flavored waters, andsome Starbucks coffees have been reported to give a positive reaction whensampled with a Passive Alcohol Sensor.For Example: Citrus-Based beverages such as Mountain Dew, Mello Yello,Code Red, etc., may give positive readings. It’s not clear if these beverages arein fact fermenting and producing low levels of alcohol, or if certain ingredients arereacting chemically with the fuel cell in some way to provide a positive reading.To minimize confusion, always retest subjects (individuals) about 15minutes after an initial positive reading to verify true alcohol presence andnot the result of residual mouth alcohol from these types of beverages.However, individuals may “spike” these drinks to cover up their actualalcohol consumption. Wait 15 minutes and retest the subject (followingsampling instructions on page 7) to verify if they are abusing alcohol.Further, always conduct an “air blank” between samplings to ensure the fuel cellsensor is clear of any residual alcohol carried over from the prior sample. “AirBlanks” are done by simply activating the pump and processing a sample ofalcohol-free ambient air. Observe the display for approximately five to tenseconds after the sample pump has stopped. If no bars light up you mayassume the sensor is free of any carry-over and you may proceed with samplingthe next subject (individual).Secondary Investigative Light (On back of device)To use the Secondary Investigative Light, turn on the PAS V main Flashlightswitch. This will also turn on the Seconday Investigative light on the back of theflashlight body.Option1: Green Horizontal Gaze Nystagmus Test (HGN) LightThe HGN test is one of three field sobriety tests developed by the NationalHighway Traffic Safety Administration (NHTSA). For more information onadministering the HGN Test can be found at nhtsa.dot.govOption 2: Blue Ultraviolet (UV) LightHold the UV light several inches above any item or surface to illuminate any UV-sensitive object or residue.*CAUTION – Do NOT shine the Ultraviolet (UV) light directly into eyes. |
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