Introduction
XII
CBM-20A/20Alite
Preventing Static Electricity Accidents
The best way to prevent static electricity accidents is simply to prevent the occurrence and accumulation of
electrostatic charges.
CAUTION
• It is important to take multiple preventive measures simultaneously.
• If large amounts of flammable solvents are collected in a large container, implement
preventative measures 1, 2, and 3 below.
Preventive Measure 1
Use a metal container for the waste liquid, and ground the container.
This will ensure that the electrical charges of the container and liquid pass to the ground.
Accessories for this measure
(1) Grounding wire with clip Part No. S228-21353-91
(2) 18 Liter metal container Part No. S038-00044
(3) 4 Liter metal container Part No. S038-00043-01
CAUTION
• Be sure to ground the metal waste container properly.
If the grounding wire is not properly attached or connected to the ground, static electricity can build up
in the container.
• Some metal containers have surfaces that are laminated or oxidized, and therefore do
not conduct electricity. After grounding the metal container, use a tester to verify that
electricity is conducted to the ground.
• If the liquid to be drained into the waste container is virtually non-conductive (10
-10
S/
m or less), it will be necessary to add properly conductive, and therefore safe, liquid to
the tank.
This conductive liquid may be added to the waste container beforehand.
Connect clip to metal parts.
Reduce the opening
with a cap.
18 Liter metal can
(preferably plated)
Liquid's static will be conducted
through container to ground.
Connect to ground terminal or
other grounding point of the
instrument to ground metal
container.
Preventive Measures for Static
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