UV Sensor UV737S for SITA 400 DS and Pallas 750, article 3821-1206. OEM reference: UV737S. Fits: SITA 400 DS, SITA Pallas 750. The UV intensity sensor measures the irradiance reaching the chamber wall and drives the low-UV alarm. Sensors drift in service and are checked or replaced at the validation interval of the plant. Sensors to DVGW / OENORM practice use a standardised measuring window and holder. SITA HDPE series data: high-density polyethylene chamber for seawater and corrosive liquids, 1-980 m3/h, low-pressure high-efficiency or amalgam lamps with 9,000-16,000 h lamp life, 6 bar. Spare part for UV disinfection systems of S.I.T.A. srl, Genoa, Italy, which builds low-pressure, amalgam and medium-pressure UV units for drinking water, food and beverage, aquaculture, swimming pool, marine and wastewater duty (series AL, LCD / Rack LCD, AM, IT, 440, HDPE, SBT, SMP, SSD, TOC, GR and Pool).