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Alco-Sensor IV

If you live in BC and have been charged with an IRP or DUI, don’t just accept the charges. If you have funds to contest the ICBC Supt. Review, CONTACT US WITHOUT DELAY. The Approved Blood Alcohol Screening Device is a very technical instrument, and many issues can arise in its administration and calibration. An excerpt from the equipment manual below demonstrates the necessity for consistent regulation and calibration and the potential for erroneous readings if not properly maintained. Let us represent your case and ensure that the equipment used to register your DUI / IRP was properly calibrate and functioning appropriately.

ACCURACY CHECK AND CALIBRATION PROCEDURE FOR THE ALCO-SENSOR IV New Alco-Sensor IV’s should be checked for accuracy once a week for the first month, and once a month thereafter. Programs which use the Alco-Sensor IV very frequently, or who must meet rigorous quality control regulations, may require a more frequent accuracy check interval.

A. ACCURACY CHECK

1. Insert a clean mouthpiece to start the test procedure.

2. Most instruments will run a blank automatically. A few instruments will require the operator to press the MANUAL button to run the blank. A few instruments will also prompt the operator to press the Set button after the blank.

3. Make a note of the Target value of the Mini Alcohol Can, Alcohol Gas Tank, or simulator, and deliver a sample of the alcohol to the Alco-Sensor IV.

Note: Intoximeters does not recommend using the Mini Alcohol Can to perform accuracy cheeks or adjustments on the Alco-Sensor IV. The Mini Alcohol Can should be used only for non-evidential testing.

Connect the Mini Alcohol can, valve, mouthpiece, and Alco-Sensor IV as follows. Remove the clear plastic tubing from the top of the Mini Alcohol can. With a light back and forth twisting motion, attach valve to the stem on the top of the Mini Alcohol can. Insert a clean mouthpiece into the Alco-Sensor IV. Insert the small plastic tubing on the valve into the end of the mouthpiece that is in the Alco-Sensor IV.

When the Alco-Sensor IV flashes TEST, depress the valve on Mini Alcohol can for 4 seconds. On the 3rd second of the 4-second count, press the MANUAL button. The Alco-Sensor IV will sample the gas at this time. It is important to press the MANUAL button while the gas is still flowing.

4. Note the reading on the Alco-Sensor IV. Press the SET button. You can recall the reading at any time before you remove the mouthpiece by pressing the RECALL button.

5. If the reading is +/- .010 of the target value on Mini Alcohol Can the unit is considered within calibration limits and no further action is necessary. If the reading is not within limits, the Calibration Procedure should be performed.

B. IF USING SIMULATOR:

1. Prepare the simulator according to manufacturer’s instructions. Be sure the temperature is at 34 degrees Celsius. Make a positive connection between the output of the simulator and the mouthpiece of the instrument.

2. Blow steadily through the Simulator for about 6 seconds.

3. Press MANUAL button on the 4th second, while continuing to blow through the Simulator.

4. Note the reading on the Alco-Sensor IV. Press the SET button. You can redisplay the reading at any time by pressing the RECALL button before removing the mouthpiece.

5. If the reading is +/- .005 of the target value of the Simulator, the unit is considered within calibration limits and no further action is necessary. If not within limits, the Calibration Procedure should be performed.

Example: Target value of Simulator is .100. Acceptable limit is .100 +/- .005, or any reading between .095 and .105. An accuracy check shows an Alco-Sensor IV reading of .106. This is not within acceptable limits, so Calibration Procedure is necessary