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Accuracy Check - ASIII
1) Attach a clean dry mouthpiece. Check temperature of the Alco-Sensor III by depressing the READ and
SET buttons at the same time. Be certain that the instrument temperature is between 15°C and 36°C. RELEASE
READ button, SET button should remain depressed. (Note: The firmware version and revision designation will be displayed following the instrument temperature).
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Temperature window display
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2) Depress and release the READ button, .000 should be seen in the dim mode and then in the bright display mode before continuing on with the test procedure..
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READ button depressed
ASIII displays .000
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3) If .000 is not seen in the bright mode within 6 to 8 seconds, depress SET button and recheck in one minute. (Follow Step 2 again. The unit must display .000 for 5 to 10 seconds before proceeding with the Accuracy Check).
4) Depress SET button on Alco-Sensor III.
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SET
Button Pressed
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5) Follow instructions on the dry gas standard to mount the regulator
if it has not already been installed.
6) If this is the first test from the dry gas standard today, purge
regulator by depressing button/valve on regulator for approximately 3 to 4
seconds.
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