Opinion ID: 1927907
Heading Depth: 1
Heading Rank: 25

Heading: Balance Lost Motion

Text: Move the blood alcohol pointer across the entire blood alcohol scale. Movement should be free and smooth. With ampoules in the instrument and the system balanced, place the blood alcohol pointer on 0.20. Using the balance wheel, with the balance light activated, rotate the balance wheel so that the pointer moves to 0.00 and then return to a position of balance. Lost motion on the blood alcohol pointer scale should read no more than plus or minus 0.005 of 0.20. Repeat the procedure moving the pointer from 0.20 to 0.40. Lost motion on the blood alcohol pointer scale should read no more than plus or minus 0.005 of 0.20. If these tests indicate the instrument's balance lost motion is within the acceptance tolerance described, record OK.