Online Dual TDS EC Water Quality Tester – HD LCD Dual Probe Monitor for Drinking Water Aquarium Pool Filtration Systems

Stay informed about your water conditions and quickly see how effectively your filtration system is performing. This online monitor provides continuous measurements through dual probes and an easy-to-read HD LCD display, making routine checks simple and convenient. Designed for both home and professional applications, the water quality tester helps monitor dissolved solids or electrical conductivity across a wide measurement range. Whether checking drinking water, aquariums, pools, or filtration equipment, the dual probe water monitor provides clear digital readings without complicated testing procedures.

Key Features
• Dual-probe monitoring makes it convenient to compare water conditions at different points in a filtration or purification system.
• Wide measuring ranges provide useful monitoring for drinking water, aquariums, pools, hydroponics, and professional applications.
• Clear digital LCD readings eliminate the inconvenience of interpreting strips or color charts.
• Extended probe cables and practical rear mounting options support convenient permanent or semi-permanent installation.

Why Choose Our Online Dual TDS EC Water Quality Tester?
Instead of repeatedly performing manual water checks, this online monitor can remain installed for convenient ongoing measurements. DM-1 provides TDS readings for monitoring dissolved solids, while DM-2 provides EC measurements that can help users evaluate filtration and purification system performance. Dual probes, wide measurement ranges, and practical mounting options make it suitable for both household and professional setups.

Perfect For
Ideal for drinking water systems, reverse osmosis and filtration setups, aquariums, aquaculture, hydroponics, swimming pools, hot tubs, spas, laboratories, car washes, coffee preparation, kombucha production, and food and beverage applications. It is especially useful for users who want to compare water readings before and after filtration.

Product Specifications

Model: DM-1 TDS Detector (Without Tee)
• Measuring Range: 0–9,990 ppm, automatic ×10 above 999 ppm
• Resolution: 1 ppm (0–999 ppm); 10 ppm (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 fastener

Model: DM-2 EC Detector
• Measuring Range: 0–9,990 µS
• Resolution: 1 µS (0–999 µS); 10 µS (1,000–9,990 µS)
• Accuracy: ±2%
• Power Supply: 2 × AAA batteries (not included)
• Extension Cord: Approx. 47.2 in
• Size: Approx. 4.6 × 2.7 × 0.7 in
• Rear Installation: Hanging plate