Water, dust, and impact protection ratings (IPX and IP)

Degree of protection against water (IPX)

Rating	Degree of Water protection
IPX0	no water protection
IPX1	protection from dripping water (1mm per minute, in normal operating position (10min test time))
IPX2	protection from dripping water (3mm per minute, at four positions of 15 ° tilt from operating position (test time 4 × 2.5 min))
IPX3	protection from splashing water (water spraying at 60° angle and 10 litres per minute for at least 5 minutes)
IPX4	protection from splashing water (water spraying on the device from all angles at a pressure of 50-150 kN/m2 with a rate of 10 litres per minute for at least 5 minutes)
IPX5	protection against jets of water (water from a 6.3 mm nozzle from all angles at a flow rate of 12.5 litres per minute and a pressure of 30 kN/m2 for 3 minutes from a distance of 3 meters)
IPX6	vigorously against jets of water (water from 12.5mm nozzle pointing from all angles at a flow rate of 100 litres per minute and a pressure of 100 kN/m2 for 3 minutes from a distance of 3 meters)
IPX7	protection against immersion in water (for 30 minutes at a depth of 1 metre)
IPX8	protection against continuous immersion in water (under conditions specified by the manufacturer)

Degree of protection	Impact protection	Anti-intrusion protection
IP0X	without protection	without protection
IP1X	palms	with a diameter greater than 50 mm
IP2X	finger	with a diameter greater than 12.5 mm
IP3X	instrument	with a diameter greater than 2.5 mm
IP4X	by wire	with a diameter greater than 1 mm
IP5X	any object	dust partially
IP6X	any object	dust completely