Tester Misuratore di PH Digitale con Calibrazione a 3 Punti 4.00/6.86/9.18pH con Liuqid
4.00/6.86/9.18pH with Liuqid. Manually record 99 pieces of data, and shut down after one hour of inactivity. After one hour of inactivity. 0.0~14.00ph large range, high precision probe accuracy ±0.02ph.