Eureka Environmental's Manta2 - 316 SS Turbidity sensor has a self-cleaning wiper that is user programable up to 5 wipes to remove biological growth or debris.
Features:
Accurate up to 3000 NTU's
ISO 7027 Compliant
Integrated Wiper (Default 1 Wipe)
Specifications:
Turbidity
Range
0 to 3000 NTU's
Accuracy
< 1% of reading to 100 NTU < 3% of reading to 400 NTU < 5% of reading over 400 NTU