Julixing Instruments

Julixing Instruments

 
Julixing Instruments

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Explanation Of IP Ratings Per IEC 60529

IP rating comprises of a two-digit number e.g. IP54 where the

  • first digit represents the ingress of dust as detailed in the top table below
  • second digit represents the degree of protection against water as detailed in the bottom table below

Table Detailing The Protection Against The Ingress Of Dust

IP Level
Protected against object size...
Effective against
0
No protection against contact and ingress of objects
1
>50 mm
Any large surface of the body, such as the back of a hand, but no protection against deliberate contact with a body part
2
>12.5 mm
Fingers or similar objects
3
>2.5 mm
Tools, thick wires, etc.
4
>1 mm
Most wires, screws, etc.
5
Dust protected
Ingress of dust is not entirely prevented, but it must not enter in sufficient quantity to interfere with the satisfactory operation of the equipment; complete protection against contact
6
Dust tight
No ingress of dust; complete protection against contact

Table Detailing The Protection Against Water

Level
Protected against...
Testing for
0
Not protected
1
Dripping water
Dripping water (vertically falling drops) shall have no harmful effect.
2
Dripping water when tilted up to 15°
Vertically dripping water shall have no harmful effect when the enclosure is tilted at an angle up to 15° from its normal position.
3
Spraying water
Water falling as a spray at any angle up to 60° from the vertical shall have no harmful effect.
4
Splashing water
Water splashing against the enclosure from any direction shall have no harmful effect.
5
Water jets
Water projected by a nozzle (6.3mm) against enclosure from any direction shall have no harmful effects.
6
Powerful water jets
Water projected in powerful jets (12.5mm nozzle) against the enclosure from any direction shall have no harmful effects.
7
Immersion up to 1 m
Ingress of water in harmful quantity shall not be possible when the enclosure is immersed in water under defined conditions of pressure and time (up to 1 m of submersion).
8
Immersion beyond 1 m
The equipment is suitable for continuous immersion in water under conditions which shall be specified by the manufacturer. Normally, this will mean that the equipment is hermetically sealed. However, with certain types of equipment, it can mean that water can enter but only in such a manner that it produces no harmful effects.

    Standard:       IEC 61032 IEC 60061 IEC 60335 IEC 60529 IEC 60068 IEC 60695 VDE 0620 UL AS/NZS3112
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