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TWO WAY RADIO TRENDS & NEWS

IP Ratings - Simply Explained

IP Ratings Explained Simply

We understand that IP Ratings can be a little confusing to understand, which is why we decided to write a blog post explaining all about what IP Ratings are and how to interpret them.  We have done this simply without all the technical jargon.

The IP (Ingress Protection) rating is an international standard for measuring an electronic device’s levels of protection from foreign contact e.g. dirt, water, tools etc.  This rating aims to provide users with more detail than just vague terms such as waterproof, which could mean anything.

To obtain its IP rating, the electronic device must undergo certified, independent testing.

How to interpret an IP Rating

The first digit in the two-digit IP Rating indicates the level of protection against solid objects, including dust. The second digit indicates how resistant a device is to water. The lower the number, the less resistant the device is to a foreign object.

Different types of IP Rating explained

First Digit: SOLIDS

Level Object size protected against Effective against
0 Not protected No protection against contact and ingress of objects
1 >50mm Any large surface of the body, such as the back of the hand, but no protection against deliberate contact with a body part.
2 >12.5mm Fingers or similar objects.
3 >2.5mm Tools, thick wires, etc.
4 >1 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.

Source: DSMT (2015)

 

Second Digit: LIQUIDS

Level Moisture level protected against Effective against
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 1m 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 1m 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.

Source: DSMT (2015)

Two-way radio examples of IP Ratings

         icom ic f2000 1 copyhytera ph785

Icom IC-F1000 & Hytera PD785

IP Rating 67

Dust tight and can be immersed in water for up to 1m within a specified time limit

 

        PD505 1

Hytera PD505

IP Rating 54

Dust protected and can be splashed with water

motorola dp4400

Motorola DP4400

IP Rating 57

Dust protected and can be immersed in water for up to 1m within a specified time limit

 

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