Apera Instruments TDS20 Value TDS Meter, Pocket Tester, Waterproof, ±1% Accuracy, ±0.5˚C Temperature Sensor, Complete Kit

Easy Auto Calibration with buffer recognition; Auto Temp. Compensation (ATC) ensures accuracy in variant temperatures (0-50.0˚C); Accuracy: ±1% F.S, 0.5˚C; Range: 0-100.0 ppm, 0-1000 ppm, 0-10.0 ppt EASY Auto Calibration with auto buffer recognition; Auto Temp. Compensation (ATC) ensures accuracy in variant temperatures (0-50.0˚C) LARGE CLEAR LCD with DUAL Display of temp./ppt, and REMINDERS of completed calibrations and stable readings COMPLETE KIT with READY-TO-USE calibration solutions, batteries, and a lanyard in a portable carrying case up to 1000 hours' continuous operation time powered by AAA batteries