PHB-4 Portable Low-Cost PH Meter

Precision pH Measurement
– High-accuracy sensor with ±0.1 pH resolution for reliable lab-grade results in seconds.
Durable & Portable Design
– Reinforced ABS casing and compact size (15cm) ideal for fieldwork, labs, or hydroponic farming.
Automatic Temperature Compensation
– Built-in ATC ensures accurate readings (0–50°C) without manual adjustments.
Easy Calibration & Maintenance
– Includes pre-mixed calibration powders (4.01/7.01 pH) and replaceable electrode.
Wide Application
– Perfect for aquaculture, brewing, pools, soil testing, and educational experiments.
Budget-Friendly Professional Tool
– Lab performance at unmatched wholesale pricing for bulk buyers.