Hangzhou Lohand Biological Technology Co., Ltd.  

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Product Name: Portable Turbidity Water Quality Testing Meter Model NO.: LH-Z2A Type: Turbidity Certification: ISO9001 Portable: Portable Appliance: Biochemistry, Laboratory Display: Digital Range: 0-200ntu Accuracy: 0.01/0.1/1.0ntu Calibration: 4-Point Calibration (Standard with Calibration Sol Zero Drift: ?