Apera Instruments AI213 Value Series TDS20 Waterproof TDS Pocket Tester kit, Accuracy: ±1% F.S, 2-Point Auto. Calibration auspowers_batchone High mechanical strength

High mechanical strength

Cotton Swabs(10)

The styluses feature with soft tips

Provides universal connection

Apera Instruments AI213 Value Series TDS20 Waterproof TDS Pocket Tester kit, Accuracy: ±1% F.S, 2-Point Auto. Calibration auspowers_batchone High mechanical strengthApera 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