PORTABLE TURBIDITY METER We Gaby Instruments is the manufacturer And supplier of Turbidity Meter in Coimbatore, Kerala, Tirupur, Pollachi, Erode, Salem, Chennai, Karur, Banglore, Idukki, Cochin, Trishur, Ernakulam, Trivandrum, Madurai, Tirunelveli Principle 90°The scattered light Measuring van (NTU) 0-200 The minimum value (NTU) 0.1 Calibration point - Error value ±6%(±2%F.S) Zero drift ±0.5%F.S Size and weight 210*75*70MM& 0.5KG Power supply Dc 1.5 V * 5 AA alkaline batteries, AC 220 V / 50 hz/DC7.5 V / 0.2 A power adapter, Automatic shutdown, ac/dc.