Static Electricity Precautions
XIII
CBM-20A/20Alite
Preventive Measure 2
Cover the spaces between the tubing and the sides of the inlet and outlet openings of the waste container
with caps or other protective covering. This will prevent any sparks generated outside the container from
getting inside.
Accessories for this measure
Caps for 18 liter or 4 liter containers (with three covering 3 mm diameter openings)
Part No. S228-21354-91
Preventive Measure 3
Keep electrostatically charged objects, including the human body, away from the waste liquid container.
To prevent electrostatic charging of the human body, take the following precautions:
• Wear anti-static clothing and shoes.
• Ground the human body with anti-static wrist straps. (For safety, the wrist strap should be connected to
the ground using an intervening resistor of about 1 M.)
• Spread anti-static matting or the like on the floor, to make the floor conductive.
CAUTION
• Persons who have not taken anti-static precautions should touch some grounded
metal object before coming near the waste liquid container, in order to drain static
charges.
Preventive Measure 4
Use tubing with an inner diameter of at least 2 mm for drain lines with high flow rates.
CAUTION
• Periodically check the tubing connections for leaks.
Air bubbles in liquid can multiply the electrostatic charge by a factor of 20, 30 or more.
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