Hach 5500SC SIO2, Valve Ctrl, 0-5000 ΜG/L SIO2 Range, 100-240 VAC Power, 2X 4-20MA Out

The Hach 5500SC SIO2 is a continuous online analyzer designed for silica measurement, operating on a colorimetric principle and typically measuring concentrations within a range of 0-5000 ΜG/L SIO2. The system is powered by a 100-240 VAC (+/-10%), 50/60 HZ supply, with a maximum current draw of 8.3A. Output capabilities include alarm relays rated at 250 VAC, 5.0A MAX, and accessory outputs rated at 100-240 VAC, 5.0A MAX. For data transmission, it features two isolated 0/4-20 MA analog outputs and supports MODBUS RS485 digital communication. The unit is housed in a NEMA 4X / IP66 rated enclosure, suitable for operating temperatures ranging from 5 to 45 °C and relative humidity between 5% and 95% non-condensing.