What does the IP68 protection rating from moisture and dirt imply?

The Addra water meter has received a certificate from the Czech Metrology Institute confirming its maximum protection against moisture and dirt. Test results proved that the degree of protection of Addra water meters complies with the international standard IP68.

The smart meter from ADD Grup was tested by the Czech Metrology Institute specialists at a depth of 4 meters for 48 hours. IP68 protection indicates that the meter’s casing is completely resistant to dust, moisture, and other external influences.