3-in-1 Multifunctional Water Quality Tester Pen – Precision & Convenience

High-Accuracy Dual Measurement
Measures TDS (0-5000ppm), EC, and temperature with a reliable ±2% margin of error. Features an auto-calibration function for consistent readings.
Durable & Portable Design
Shock-resistant ABS housing with a sleek LCD display. Compact pen-style design fits easily in pockets or toolkits for on-the-go testing.
Wide-Range Applications
Ideal for testing drinking water, aquariums, hydroponics, swimming pools, and industrial water treatment. Ensures safety and quality control.
Quick & User-Friendly
One-button operation with instant results. Auto-off function preserves battery life (included). Waterproof electrode for long-term durability.
Professional-Grade Performance
Stainless steel probes with advanced sensor technology for rapid, stable readings. Backlit display ensures visibility in low-light conditions.
Bulk Purchase Advantage
Exclusive wholesale pricing for large orders. Trusted global supplier with guaranteed lowest rates and reliable shipping.