7-in-1 Multifunctional Water Quality Tester Pen

Precision Testing
– Measures TDS, EC, pH, salinity, SG, ORP, and temperature with high accuracy for comprehensive water analysis.
Durable & Portable
– Features a robust ABS plastic body with a reinforced probe tip, designed for frequent use in labs, pools, or outdoor fieldwork.
Instant Results
– One-button operation delivers quick readings with an easy-to-read LCD screen, ideal for aquaculture, hydroponics, and drinking water checks.
Auto Calibration
– Equipped with pH auto-calibration (4.01/6.86/9.18 buffer solutions) to ensure consistent accuracy over time.
Wide Application
– Perfect for home brewing, aquarium maintenance, industrial water testing, and agricultural irrigation monitoring.
Replaceable Batteries
– Powered by 2x LR44 button cells (included), ensuring long-term usability without frequent charging.
Global Compliance
– Meets international safety and performance standards, backed by our wholesale pricing for bulk buyers.