Labconco Logic+ A2, Technical Manual

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4. Lower the sash until the skirt frame rests on the inside of the glass and remains
in place. A tall stand may be used to support the opposite end of the DIM if
desired.
5. If a sash alarm occurs, press [OK/MUTE] .
6. Install a blocking plate on either side of the DIM, and tape them securely on all
four sides. All air should enter through the DIM, seal gaps around blocking
plates completely.
7. Turn on the DIM, set it to read airflow volume continuously.
8. Take 5 readings over a 1 minute period. Average the results.
9. Compare results with
column “Inflow Volume Range” based on Type and model
shown in Table 10-7.
10. If the Inflow Volume is not within the acceptance criteria range, adjust the
biosafety cabinet according to Adjusting the Blower Speed and/or Adjusting the
Internal Damper found in Section 9: Calibration .