Multi-Function 4-in-1 TDS Water Quality Detection Pen

High-Precision TDS Measurement
– Accurately detects Total Dissolved Solids (0-9990ppm) with ±2% error margin for reliable water purity assessment.
4-in-1 Smart Testing
– Measures TDS, EC, temperature (°C/°F), and salinity simultaneously with auto-calibration for lab-grade results.
Premium Aerospace Materials
– Corrosion-resistant titanium alloy probe and ABS+PC housing ensure durability and splash-proof performance.
Instant On-Site Use
– Portable pen design with auto-off function (2 mins) and LCD backlight for outdoor, travel, or home water purifier maintenance.
Wide Applications
– Ideal for testing filtered/well/tap water, aquariums, hydroponics, and industrial water treatment.
Bulk Wholesale Advantage
– Factory-direct pricing, global logistics support, and OEM customization available.
Note:
Includes CR2032 battery and protective cap. Compliant with ISO 9001 & CE standards.