The KL-035Z Automatic Calibration pH Meter is a waterproof pocket-sized pH test pen with an IP55 waterproof rating, simultaneously displaying temperature and pH values.
It features a two-point button calibration function. During calibration, simply place the instrument into the corresponding standard buffer solution and press the CAL (calibration key). The instrument will then automatically begin calibrating the data.

It is applicable in aquariums, aquaculture, soilless cultivation, swimming pools and hot springs, school laboratories, chemical industry, food or beverage manufacturing, textile printing and dyeing, paper or pulp bleaching, printing, cooling towers, boilers, cleaning or wastewater treatment, among others.