Routine Instrument Maintenance; Check Procedure With Test Arm Set To 20; Check Procedure With Test Arm Set To 60 - Keeler D-Kat R Gebrauchsanweisung

D-KAT Tonometer by KEELER

12. ROUTINE INSTRUMENT MAINTENANCE

12.1 CHECK PROCEDURE WITH TEST ARM SET TO 20

Position 19.5
Turn the drum in the direction of the arrow until the LED display reads 19.5.
Then continue to rotate the drum slowly until the measurement arm moves forward. Check to
ensure the display reads between 19.5 and 20.5.
Position 20.5
Turn the drum in the direction of the arrow until the LED display reads 20.5.
Then continue to rotate the drum slowly until the measurement arm moves backwards. Check
to ensure the display reads between 19.5 and 20.5

12.2 CHECK PROCEDURE WITH TEST ARM SET TO 60

Check 59.0 limit
Turn the drum in the direction of the arrow until the LED display reads 59.0.
Then continue to rotate the drum slowly until the measurement arm moves forward. Check to
ensure the display reads between 59.0 and 61.0.
Check 61.0 limit
Turn the drum in the direction of the arrow until the LED display reads 61.0.
Then continue to rotate the drum slowly until the measurement arm moves backwards. Check
to ensure the display reads between 59.0 and 61.0.
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