1.LCD shows both pH & temp.. 2. with external pH electrode, easy to use. 3.Water proof 4.High accuracy.

Features:

Data hold function for freezing the desired value.

Supplied with pH 4.01, pH 6.86, pH9.18 buffer.

Microcomputer circuit, intelligent function, high accuracy.

Compact size, light weight

Auto Calibration for pH 4.01, pH 6.86 and pH9.18

Power supply by 1.5 V battery (LR44) x 4 PCs

Meter with pH electrode.

PT-6020A PH meter ,Pen type digital pH meter