• Monitech, NC | Calibration Solution Tracking

    Monitech, NC | Calibration Solution Tracking

  • Calibration Requirements 

    North Carolina 2011 Standard:

    A Calibration accuracy test of the BAIID shall be performed at each service appointment; if the BAIID is not within plus or minus(+/-) 0.005g/ 210L of the stated alcohol concentration using a reference sample which is within plus or minus (+/-) 0.005g/ 210L of its predicted value as stated in its packaging, the Service Provider shall recalibrate the BAIID to bring it within the required variance or replace the BAIID immediately.

     

    Process:

    Monitech uses a .050 reference, meaning your North Carolina acceptable calibration value should be within +/­- .005 of .050.

    Acceptable Range: .045 to .055, anything outside of this range is not in compliance with North Carolina's 2011 Standards.

    • If you cannot recalibrate the BAIID to bring it within the required variance of .045 to .055, the unit must be replaced
    • Remember if the QT Device does not calibrate within 5 blows, contact your District Manager to obtain an override code to replace the device.
  • Procedure

    • Remove the jar from the simulator by unscrewing it from the top header
    • Pour the 500ml of certified solution into the jar
    • Reattach the jar to the top header
    • Confirm tubing and moisture trap are clear of any blockages or dirt. Clean or replace if necessary.
    • Confirm input and output components are clear of any blockages
    • Turn Power ON
    • When applicable, attach hoses to proper location on simulator
    • Allow the solution to heat 34 deg C. This will require approximately 7 minutes.

    • Recommended usage in temperature below 88 degrees Fahrenheit
    • Keep Simulator out of exposed weather conditions like direct sunlight or extreme cold areas.
    • If the instrument is to be used in a manual mode, blow (or use electric pump) through the inlet tube for 10-15 seconds, not attached to the breath tester, to allow the headspace temperature to equilibrate with the solution temperature.
    • Connect the simulator output to the breath tester. Blow (or electric pump) a second breath through the simulator {6-8 seconds). A proper breath tester should register an equivalent percent BAC within established specifications.
    • Do not exceed over 40 blows per bottle of solution
      • If the QT Device does not calibrate within 5 blows, contact your District Manager to obtain an override code to replace the device.
    • Tum Power OFF
    • Pour solution out {every night)
    • Clean

     

  • Preventative Maintenance

    Monitech requires the equipment to be inspected and temperature verified once a year by a supervisor. Please contact your immediate supervisor to have this done.

  • Best Practices 

    The following best practices must be followed when using a wet bath simulator

    •  Make certain the simulator has reached 34°C before use.
      • Device longevity and accuracy will be compromised if solution temperature is not properly controlled. Testing with a solution below 34°C will result in a device that is overly sensitive to alcohol and will record higher readings than the actual BrAC. Conversely, testing with a solution above 34°C will result in an under-sensitive device and record lower readings than the actual BrAC.                                       ·
    • Make certain that the simulator is leak-free by periodically covering the outlet with a fingertip and blowing through the simulator input. Multiple air bubbles or excessive condensation near the lid of the simulator, or audible air escaping indicates a leak. Tighten the top of the simulator, replace the top gasket, or look for a cracked top should leakage be discovered.
    • If the tubing inside the simulator becomes restricted, the interlock may abort flow due to too little pressure exiting the simulator. In this case, the internal tubing should be cleaned and inspected or replaced.
    • The output tubing of the simulator should be no longer than 2" and should terminate in a moisture trap. If the moisture trap becomes filled with condensation, it must be replaced immediately. Conducting repeated tests may also cause condensation to form at the top of the simulator. Swirling the simulator container will allow this condensation to mix into the alcohol solution.
    • When a simulator is not in use, take the input and output tubes and connect them in a "closed loop" fashion. A barbed fitting may be used to connect the open ends to each other, or the tubes may be "clamped off' individually.
    • NEVER open the simulator top and expose the heating element with the power on.
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  • Acknowledgement of Calibration Requirements

  • Monitech mandates that your service center alcohol calibration solution to be replaced at the start of business each and every day or after 40 calibration blows, whichever occurs first. 

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    Instructions:
    Please fill out the information below that is defined on each bottle label.

    1. Expiration Date
    2. Lot Number
    3. Solution Usage Tracking
    4. You must add the clients DL# for each test and select the result of that test.
    5. This form will max out at 40 usages.

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  • Enter in the client's drivers license number and the calibration results

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