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2
Safety
2.1 Safety aspects of the 977 Tank Side Indicator
Do not use the instrument for anything else than its intended purpose.
The housing of the 977 Tank Side Indicator is dust-tight and protected against water jets.
The 977 Tank Side Indicator is supplied by the level gauge and is certified as intrinsically safe:
• II 2 G Ex ib IIB T4 Gb; according to KEMA 03ATEX1467, certified by KEMA Netherlands
• Ex ib IIB T4 Gb, acc IECEx KEM 10.0069, certified by KEMA Netherlands
• Class I, Division 1, Groups C and D T4; Job Identification No. 3004639, by Factory Mutual, USA.
2.2 Personal safety
The technician must have basic technical skills to be able to safely commission the equipment. When the
977 Tank Side Indicator is installed in a hazardous area, the technician must work in accordance with (local)
requirements for electrical equipment in hazardous areas.
In hazardous areas it is compulsory to use personal protection and safety gear such as:
hard hat, fire-resistive overall, safety shoes, safety glasses and working gloves.
Avoid possible generation of static electricity. Use non-sparking tools and explosion-proof testers.
Do not open the cover of the instrument while power is still connected.
Make sure no dangerous quantities of combustible gas mixtures are present in the working area.
Never start working before the work permit has been signed by all parties.
2.3 Safety conventions
"Warnings", "Cautions", and "Notes" have been used throughout this manual to bring special matters to the
immediate attention of the reader.
• A Warning concerns danger to the safety of the technician or user;
• A Caution draws attention to an action which may damage the equipment;
• A Note points out a statement deserving more emphasis than the general text, but not requiring a
"Warning" or a "Caution".
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Instruction manual 977 Tank Side Indicator
Warning
Warning
Safety
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