7-in-1 Digital Tester Pen – Precision & Versatility for Water Quality Testing
Ultra-compact pen-style design combines 7 essential water quality tests: TDS, EC, pH, salinity, temperature, and ORP—all in one handheld device. High-precision sensors deliver lab-grade accuracy (±0.01 pH, ±2% TDS) with auto-calibration for reliable results. Durable aerospace-grade ABS casing with reinforced IP67 waterproofing, ideal for harsh environments—aquariums, hydroponics, pools, or industrial use. Backlit LCD screen ensures readability in low light. Pre-loaded with auto-temperature compensation for instant, drift-free readings. Replaceable electrodes extend lifespan, reducing long-term costs. Perfect for commercial growers, lab technicians, or homebrewers seeking pro-level accuracy without bulk. Ships calibrated and ready for immediate use.
Why Us?
Direct factory pricing, bulk discounts, and global shipping—no middlemen, just unbeatable value. *(Note: Batteries included; includes protective cap & calibration powder.)*