Smart Drinking Water Quality Testing Pen – OEM Service Available
Ultra-precise digital detection for TDS, temperature, and conductivity with instant LCD readout. High-grade ABS housing with anti-slip grip ensures durability for frequent field use. Advanced multi-point calibration for lab-grade accuracy (±2% deviation). Auto temperature compensation eliminates errors in fluctuating environments. Ideal for home water purifiers, aquariums, hydroponics, and outdoor travel. Custom branding options (OEM) available for bulk buyers. Compact, battery-powered design with auto-off function. Includes protective cap and lanyard for portability. Wholesale pricing – order 500+ units for maximum discount. Global shipping with bulk order priority.