IP Ratings

IP Ratings - What do they mean?

This page explains the meaning and use of an IP Rating. These ratings have been used in the product specifications on the instrumentation side of our website.

First Number

Meaning

Second Number

Meaning

Refers to protection against solids

 

Refers to protection against liquids

 

0

No protection

0

No protection

1

Protected against solid objects over 50mm (e.g. accidental touch by the hand)

1

Protected against water falling vertically

2

Protected against solid objects over 12mm (e.g. accidental touch by the finger)

2

Protected against direct sprays from up to 15 degrees from vertical

3

Protected against solid objects over 2.5mm (e.g tools, wires)

3

Protected against direct sprays up to 60 degrees from vertical

4

Protected against solid objects over 1mm (e.g. small wires)

4

Protected against sprays from all directions. Limited ingress permitted.

5

Protected against dust – limited ingress (no harmful deposit)

5

Protected against low pressure jets of water from all directions. Limited ingress permitted.

6

Totally protected against all dust

6

Protected against strong jets of water. Limited ingress permitted. E.g. acceptable for use on shipdecks.

 

 

7

Protected against temporary affects of immersion between 15cm and 1m, for 30 minutes.

 

 

8

Protected against long periods of immersion under pressure.