This portable pen-type digital pH meter delivers 0.01 high-precision pH measurement within a full 0-14 pH range, equipped with a backlit LCD screen for clear readings in any light. Built with sensitive glass sensing electrode, it supports one-key HOLD data lock to freeze values for easy recording, plus a rear CAL trimmer hole for simple manual calibration.

Matching pH 4.01 & 6.86 buffer powder is included for accurate calibration following the step-by-step guide. Compact size (153mm×30mm) with protective electrode cap prevents damage, powered by replaceable batteries for long service life.

Wide applications cover laboratory testing, aquaculture, drinking water, swimming pools, wastewater and hydroponics. CE & RoHS certified, compatible with 220V Latin American power scenarios, ideal for lab distributors, environmental institutions and aquaculture merchants.