Safety; Intended Use; Personnel Qualification - Stahl 9170/21-30-10 Betriebsanleitung

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Safety

The device has been manufactured to the state of the art while observing recognised
safety-related rules. When using the device, it is nevertheless possible for hazards to occur
to life and limb of the user or third parties or for the device, environment or material assets to
be compromised.
 Use the device only
- if it is not damaged
- as intended, while remaining aware of safety and dangers
- in accordance with these operating instructions.
3.1

Intended Use

This device monitors the electrostatic grounding of metallic objects. It automatically detects
defective or broken potential equalisation connections in the system. This guarantees that an
electrostatic charge remains at a safe level and that there is no explosion hazard caused by
an uncontrolled discharge of this energy.
The device is approved for operation in hazardous areas of Zone 2 and in safe areas.
"Intended use" includes complying with these operating instructions and the other applicable
documents, e.g. the data sheet.
All other uses are only intended after being approved by R. STAHL.
3.2

Personnel Qualification

Qualified specialist personnel are required to perform the activities described in these
operating instructions. This primarily applies to work in the following areas:
• Product selection, project engineering
• Mounting/dismounting the device
• Installation
• Commissioning
• Maintenance, repair, cleaning
Specialists who perform these tasks must have a level of knowledge that meets applicable
national standards and regulations.
Additional knowledge is required for tasks in hazardous areas! R. STAHL recommends
having a level of knowledge equal to that described in the following standards:
• IEC/EN 60079-14 (Electrical installations design, selection and erection)
• IEC/EN 60079-17 (Inspection and maintenance of electrical installations)
• IEC/EN 60079-19 (Equipment repair, overhaul and reclamation)
202806 / 9170614310
2020-08-31·BA00·III·en·03
Switching repeater – Leakage monitor
Type 9170/21-30-10
Safety
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