Turbidity Meters with infra-red light source <EN 1S07027) The compact AQUALYTIC® infrared turbidity meter AL250T-IR is designed to allow fast, precise on-site testing The unit measures the scattered light at an angle of 90°, The wide measuring range from 0.01-1100 TE/F = NTU = FNU makes the instrument suitable for various applications, ranging from drinking water to waste water. As infrared light Is used for measurement purposes, the unit can be used to test both coloured and colourless liquids The standards required for calibration of the unit are also supplied. A second adjustment mode allows alternative adjustment with user-defined turbidity standards. Turbidity standard set T-CAL Cleaning cloth for vials Formazln Stock Solution (4000 NTU), 100 ml Formazln Stock Solution (4000 NTU), 250 ml Measurement with infrared light Measurement of coloured liquids Easy handling 600 tests without battery change Technical data Measurement cycle photosensor amplifier in water proof sample chamber, infrared light polycarbonate membrane, splash proof Power supply 9 V power pack battery automatic switch-off nternal ring memory for Additional feature real time clock and date approx. 0.4 kg (base unit) Delivery Content AL250T-IR turbidity meter as described above, complete with 4 turbidity standards < 0.1, 20, 200 and 800 NTU, battery, vials, guarantee sheet, certificate of compliance. Instruction Regularly updated Information: www.aqualytic.de General Catalogue April 2012