ZDRS-2120 Accurates ‰SALT/TDS/CF Digital Tester WR（3 in 1）
Range: SALT: 0.0-100.0 ‰ Salt, TDS: 0-9990ppm, CF:0--100,
Resolution: ± 0.1‰; 10ppm (mg/l); 1 CF,
Accuracy: ±2% F.S. ±2% F.S; ±2% F.S.
Temp.℃: 5 - 50°C ( 41 - 122°F ) / ATC
Calibration: One-point at 1382 ppm;
Features: The data maintains automatically . Automatic switch-off function: After 5- 8 minutes without pushing
Display: 3½ LCD with illumination
Battery Life: DC 9V ;
