... 0, 0/4000 NTU 0/10.00 0/100.0 0/1,000 0/10,000 mg ... , 0/4000 NTU 0/10.00 0/100.0 0/1,000 0/10,000 mg ... empty cell, too high external lightDual filter softwareVarious output options ApplicationDrinking waterWater treatmentBottling industrySpecifications TurbidityMeasuring range0/4.000 ... of inputResolution0.05% of scaleOutputAnalog output:0~20 mA, 4~20MaDigital output:Serial Interface RS-232, RFCalibration1 ...