Precision Multi-Parameter Water Testing Pen

Ultra-Accurate Sensors
High-sensitivity probes measure pH, EC, TDS, salt, and temperature with lab-grade precision (±0.01 pH resolution).
Durable & Compact Design
Aerospace-grade ABS casing with IP67 waterproofing, 3x reinforced electrode rods for long-term use in harsh environments.
One-Click Calibration
Auto-buffer recognition with 3-point pH calibration (4.01/6.86/9.18) and TDS conversion factor adjustment (0.5-1.0).
Wide-Range Applications
Ideal for hydroponics, aquaculture, homebrewing, pool maintenance, and industrial wastewater analysis.
Instant Results
2-second response time with auto-temperature compensation (0-80°C) and replaceable probe caps.
Batch Testing Ready
Includes 10 sets of pre-weighed calibration powders and a lanyard for field use.
Wholesale Advantage
Factory-direct pricing for bulk orders (100+ units), backed by 24-month warranty and ISO 9001 certification.