Division:
51 I 77
During operation, with the high-voltage power supply
unit switched on, the connecting cable must not be
removed from the power supply unit. This generally
results in damage to the power supply unit. Before
dismantling a discharge bar, switch off the high-voltage
power supply unit and interrupt the supply voltage. To
prevent accidental removal of the high-voltage plug, the cable should always be
secured with the appropriate locking device.
When removing or inserting the plug, never touch it by the metal contacts or
the red insulation on the cable. Otherwise, the discharge electrode and/or high-
voltage power supply unit may be damaged permanently.
Installation and commissioning
The installation and initial commissioning of the discharge electrode and high-voltage power
supply units is carried out by or under the guidance of the manufacturer's qualified
personnel. For this purpose, the manufacturer will provide installation instructions on
request.
The discharge system consists of the following components:
1. Bar-shaped discharge electrodes with a larger number of electrode tips for large-scale
discharge in the safety weighing enclosures.
2. Spot discharge electrodes with a discharge tip for the targeted discharge of statically
charged powders or vessels, spatulas and other surfaces.
3. High-voltage power supply unit for generating the necessary high voltage
Figure 19 - Unloading bar mounted above the front flap of an ST1-900
Figure 20 - Point electrode mounted on the right side wall of an ST1-900
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