Pen-Type pH Tester

3 types of pH electrodes: bulb type, plane type and puncture type

Suitable for water quality testing, sewage treatment, food and cosmetics testing, agriculture and scientific research, etc.

Can measure the ORP, the same series of electrodes can be replaced with each other

Automatic temperature compensation

Alarm function: the red backlight displays alarm mode

With the stabilizing and locking functions of the reading