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RECORD KEEPING  

 
 

Each organization/company that employs PAS V units should assign a staff member to 
be  responsible  for  care  and  maintenance.    A  log  should  be  established  to  record  the 
checking,  calibration  and  maintenance  activities  on  each  unit.  Testers  using  the  units 
should be required to report any problems with the units to the PAS V staff member who 
should record the problems in the log.  If a unit is dropped or is damaged in some other 
way  this  should  be  entered  in  the  log  so  that  the  information  can  be  forwarded  to  the 
manufacturer along with the unit for repair. The log will record the life history of the units 
and should be carefully maintained since it may be subpoenaed if the use of the PAS V 
is challenged.     
 
To ensure that there is a record that these sensitivity checks have been conducted on a 
monthly  basis,  it  is  necessary  to  establish  a  log  with  a  record  for  each  of  the  PAS  V 
units employed by the Company or Department. An example of such a record is shown 
below.     

 

PAS V LOGBOOK 

 
 

Date 

Unit # 

Returned 

Problem 

Reported 

Checked By 

Action Taken 

Date 

Returned to 

Manufacturer 

Date 

Returned to 

Field 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 
The  example  shown  provides  a  means  for  recording  any  reports  from  Testers  of 
problems  with  the  PAS  V  units  or  any  unusual  occurrences  such  as  dropping  the 
flashlight  onto  the  pavement.    The  log  also  provides  a  brief  description  of  the  action 
taken  to  overcome  the  problem  or  to  examine  the  unit  for  damage  as  a  result  of  a 
tester's report.  The log will note instances in which the PAS V has been returned to the 
manufacturer  for  service  and  when  it  was  received  and  checked  upon  its  return.    The 
log  should  also  contain  a  notation  recording  each  month's  sensitivity  check  and  the 
outcome  of  that  check  and  also  a  calibration  adjustment  if  such  an  adjustment  was 
necessary.     
 
In  addition  to  monthly  sensitivity  checks,  PAS  V  units  should  be  checked  if  they  have 
received  an  unusual  stress  such  as being  dropped  on  the  pavement.    If  a PAS V  unit 
has  been  sent  to  the  manufacturer  and  returned  following  repair,  a  check  should  be 
made  to  ensure  that  the  calibration  was  not  affected  by  the  handling  during  shipping.  
Also, perform periodic functional checks with known sources of alcohol to be certain all 
functions (e.g., pump) are performing.    
 
 
 
 

Summary of Contents for PAS V

Page 1: ...Passive Alcohol Sensor CALIBRATION MANUAL PAS Systems International Inc 215 Southport Dr Suite 400 Morrisville NC 27560 www pasintl com Copyright 2015 by PAS Systems International Inc All Rights Rese...

Page 2: ......

Page 3: ...Bath Solution optional 2 Operating the Alcohol Wet Bath Simulator 3 Readying the PAS V 5 PAS V Sensitivity Checking 6 PAS V Calibration 7 Dry Gas Method Equipment Checklist for Dry Gas Sensitivity Che...

Page 4: ...ece that connects the outlet of the wet bath simulator to the intake port of the PAS V Available from PAS Systems A NHTSA approved Wet Bath Simulator 500 milliliters of 005 ethanol alcohol solution To...

Page 5: ...volumetric flask and fill the flask up with distilled water This completes your mixture of stock solution You may keep your stock solution in a refrigerator for mixing calibration solution as necessar...

Page 6: ...jar from the simulator by unscrewing it from the top assembly Caution DO NOT remove Top Assembly and expose the heating element to open air with power turned ON This will result in damage to the heati...

Page 7: ...hts come on after observing for 15 20 seconds the air blank check is OK d If however one or more of the indicator lights come on again this clearance process should be repeated If after two attempts t...

Page 8: ...sampling began 6 Disconnect the Calibration Assembly and observe the bar graph display All but one of the bars should light up There should be two green four yellow and two of the three red bars lit 1...

Page 9: ...activate the Sensor Control Button on the PAS V 6 Look for the green sensor light and the yellow pump PMP light and listen for the sound of the air pump that should come on immediately after the Sens...

Page 10: ...ct the inlet outlet ports of the PAS V to make sure that they are not clogged 3 Conduct an air blank a Turn on the flashlight and wait a minimum of 1 2 minutes for initialization process to complete b...

Page 11: ...r blanks should be made away from the test room to see whether the unit gives a zero reading when removed from the test area 5 Once the air blank has been performed with a satisfactory result the PASV...

Page 12: ...d light up There should be two green four yellow and two of the three red bars lit 15 20 seconds from the time the pump stops 9 Record the number of red bars that light up this should be two Repeat th...

Page 13: ...ough the opening and into the calibration adjustment pot screw Turn the calibration adjustment all the way up counter clockwise The adjustment is free to rotate approximately 270 Take care not to use...

Page 14: ...Problem Reported Checked By Action Taken Date Returned to Manufacturer Date Returned to Field The example shown provides a means for recording any reports from Testers of problems with the PAS V units...

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Page 16: ...PAS Systems International Inc 215 Southport Dr Suite 400 Morrisville NC 27560 www pasintl com 800 660 SNIF 540 372 3431 Printed 10 15...

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