7-in-1 Water Quality Tester Pen – Precision Meets Portability

Advanced Multi-Parameter Testing
Simultaneously measures TEMP, Salinity, TDS, EC, pH, ORP, and S.G with lab-grade accuracy. Ideal for aquariums, hydroponics, swimming pools, and drinking water analysis.
High-Resolution LCD & Durable Build
Features a crisp 7-inch LCD screen for clear readings. Encased in shock-resistant ABS with IP65 waterproofing for rugged outdoor or industrial use.
Auto-Calibration & User-Friendly Design
One-touch calibration with included buffer solutions. Ergonomic pen-style design fits in pockets for on-the-go testing.
Global Compliance & Bulk Savings
CE/FCC certified for safety. Wholesale pricing available for distributors, labs, or large-scale agricultural projects.
Instant Results, Zero Maintenance
No warm-up time; replaceable electrodes extend lifespan. Perfect for farmers, brewers, or eco-conscious households.