Dual Probe Digital Water Quality Tester – Online TDS EC Input Output Monitor for Tap Water Aquariums & Filtration System

Know what’s happening with your water at a glance and make filtration monitoring easier and more reliable. This dual-probe digital tester monitors input and output readings, helping you evaluate water conditions and filtration performance without repeated manual testing. Designed for convenient continuous monitoring, it provides clear measurements for drinking water, aquariums, hydroponics, pools, and purification systems. Accurate water quality monitoring makes it easier to track dissolved solids or conductivity, while the digital water tester design supports both home and professional applications. Its compact installation options make everyday water checks simple and convenient.

Key Features
• Dual-probe monitoring lets you compare input and output water readings for easier filtration performance checks.
• Wide measurement ranges provide useful readings for drinking water, aquariums, hydroponics, pools, and purification systems.
• Digital readout provides quick measurements without the inconvenience of frequent manual water sampling.
• Compact design with convenient rear mounting makes installation easy near compatible water systems.

Why Choose Our Dual Probe Digital Water Quality Tester?
Unlike basic handheld testers that require repeated manual checks, this monitor can be installed for convenient ongoing input and output water measurement. Available TDS and EC configurations support different monitoring requirements, while the dual-probe setup makes comparing water before and after filtration more convenient. Its compact design is well suited for both household and professional water systems.

Perfect For
Ideal for homeowners, aquarium keepers, hydroponic growers, aquaculture users, water filtration systems, pools, hot tubs, spas, cafés, laboratories, and other applications requiring regular water monitoring. It is especially useful for checking water before and after filtration to help evaluate cartridge, resin, or membrane performance.

Product Specifications

Model: DM-1 TDS Detector (Without Tee)
• Measuring Range: 0–9,990 ppm, automatic ×10 above 999 ppm
• Resolution: 1 ppm at 0–999 ppm; 10 ppm at 1,000–9,990 ppm
• Accuracy: ±2%
• Power Supply: 2 × 1.5V button batteries, not included
• Extension Cord: Approx. 24.8 in.
• Size: Approx. 3.0 × 1.9 × 0.8 in.
• Rear Installation: Hook-and-loop mounting