The WTW VisoTurb® 900-P is a digital IDS turbidity sensor for field measurement, using the nephelometric (90°) infrared method per ISO 7027. Its self-cleaning wiper and robust design keep readings stable in demanding field conditions.

Auto-recognized as an IDS sensor with stored calibration data. Adds turbidity measurement to the WTW Multi 3620 / 3630 IDS portable meters. Part number 600700.