Apera Instruments AI213 Value Series TDS20 Waterproof TDS Pocket Tester kit, Accuracy: ±1% F.S, 2-Point Auto. Calibration workwarehouse Mode of operation: Simple or

Mode of operation: Simple or semi- duplex

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Apera Instruments AI213 Value Series TDS20 Waterproof TDS Pocket Tester kit, Accuracy: ±1% F.S, 2-Point Auto. Calibration workwarehouse Mode of operation: Simple orApera Instruments AI213 Value Series TDS20 Waterproof TDS Pocket Tester kit, Accuracy: 1% F. S, 2 Point Auto. Calibration Apera Instruments TDS20 Pocket TDS Tester Kit is built for professional TDS measurement of general water soliutions, including tap water, agriculture, aquaculture, pools& spas, education, environmental monitoring, etc. Range: 0 100. 0 ppm, 0 1000 ppm, 0 10. 0 ppt (10,000 ppm), Accuracy: 1% F. S. 1 2 points auto. calibration, 0 to