ThermoFisher Scientific HERASAFE 2025, Руководство по эксплуатации

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HERAsafe 2025 50161258 | 53
Preparation |
Chapter 7
Sitting posture during work:
Figure 16 Sitting Posture
To prevent risks to health, a height-adjustable working chair with an adjustable seat back
should be used during extended work periods at the safety cabinet.
A
When the forearm rests on the armrest, is should be in an almost horizontal position.
B When the thigh is in a horizontal position, the angle between thigh and lower
leg should exceed 90°.
To ensure a compensation between floor and sitting height, a footrest (DIN 4556) should
be used. The minimal effective surface of the footrest should be 45 x 35 cm.
C The slope should be adjustable within a range of 5° to 15°.
D The adjustable height should extend to a minimum of 11 cm above the floor.
After finishing an operation:

Remove samples from the sample chamber and store them properly.

Clean and disinfect the sample chamber surfaces, including the workplate and the
drain pan. Clean and disinfect all accessories.