Online Dual TDS EC Water Quality Meter – Digital Dual Probe Tester with Backlit LCD for RO Aquarium & Hydroponics

Know exactly what’s happening with your water before and after filtration for greater confidence in every reading. Designed for continuous water quality monitoring, this dual-probe meter simultaneously checks feed and product water, making filtration performance easier to evaluate. Advanced microprocessor technology, automatic temperature compensation, and digital calibration support consistent TDS EC testing across a variety of applications. A large backlit LCD keeps measurements clearly visible even in darker environments. Shielded sensor cables and diagnostic error messaging add dependable performance for routine or professional monitoring.

Key Features
• Dual probes monitor feed and product water for convenient before-and-after filtration comparisons.
• Automatic temperature compensation helps maintain consistent measurements as water temperature changes.
• Large backlit LCD provides clear readings in bright or low-light environments.
• Replaceable sensors, digital calibration, shielded cables, and diagnostic messaging support reliable long-term use.

Why Choose Our Online Dual TDS EC Water Quality Meter?
Unlike basic handheld testers that require separate manual checks, this meter uses two probes to monitor input and output water conveniently. Advanced microprocessor technology, individually recalibratable lines, and automatic temperature compensation provide greater control over routine measurements. The replaceable sensors and shielded cables also make it well suited for permanent filtration monitoring setups.

Perfect For
Ideal for reverse osmosis and deionized water filtration systems, drinking water systems, aquariums, hydroponic setups, and general water treatment applications. It is especially useful for users who want to compare feed and filtered water readings without repeatedly switching a single probe between water sources.

Product Specifications
• EC Range: 0–9,999 µS/cm; 0–9.99 mS/cm
• EC Resolution: 0.1 µS at 0–99.9 µS; 1 µS at 100–999 µS; 10 µS at 1,000–9,990 µS; 0.01 mS at 0–9.99 mS
• TDS Range: 0–5,000 ppm; 0–5 ppt
• TDS Resolution: 0.1 ppm at 0–99.9 ppm; 1 ppm at 100–999 ppm; 10 ppm at 1,000–5,000 ppm; 0.01 ppt at 0–5 ppt
• Accuracy: ±2%
• Conversion Factor: NaCl, avg. 0.5
• Cable Length: 3.9 ft
• Sensor Diameter: 1/4 in
• Included T-Fittings: 1/4 in
• Factory Calibration: NaCl 342 ppm
• Recalibration: Independent digital calibration for each line
• Power Supply: 2 AA batteries, included
• Dimensions: 4.6 × 0.7 × 2.8 in
• Weight: 7.9 oz
• Auto-Off: After 3 min

Monitor filtration performance with less effort using the Online Dual TDS EC Water Quality Meter. Add it to your water monitoring setup for convenient dual-line measurements, clear readings, and dependable everyday testing.