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Website Help Center
Are Photoelectric Sensors that can be used in locations subject to water available?
Using models that provide an IP67 degree of protection is recommended.
Explanation:
Items with an IP67 degree of protection satisfy the level of protection defined by IEC standard 60529 as shown in the following figures.
| Level | Degree of protection | Test method | |
| IP67 | Protection against immersion in water
 |
Water will not penetrate the item if it is immersed in water at the specified pressure and for the specified time. | Immersion to a depth of 1 m for 30 min.
 |
Typical models that provide IP67 protection are E3Z Series Photoelectric Sensors, E3S-A/B Series, and E32 Series.
For details, refer to Sensors Catalog. Be sure, however, to heed the following precautions.
1.Malfunction may occur if there is water on the lens surface. (Through-beam Sensors and Retroreflective Sensors may incorrectly detect light interruption. Diffuse-reflective Sensors may incorrectly detect light incidence, and the sensing distance will decrease.)
2.Photoelectric Sensors cannot be used if the case or lens is immersed in oil. E3S-C Series with IP67g protection (oil-resistant construction) is recommended for use in locations subject to oil.