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Inline Digital TDS Meter
Now Check instantly your water purifier water Quality at your own with most reliable inline HM Digital TDS meter
Features
Displays TDS levels of the Feed Water and Product Water with in & out electrode probes Factory calibrated and highly efficient and accurate (±2%) due to its advanced microprocessor technology Dual Range – Measures from 0 – 999ppm, with a resolution of 1ppm.
From 1,000 to 9,990ppm, the resolution is in 10ppm increments, indicated by a blinking x10 image Extra large, easy-to-read LCD display in a waterresistant casing Comes equipped with 1/4 inch John Guest Quick-Connect T-fittings as shown Uses 2 AAA batteries (included) with a battery life of over 1,000 hours of continuous use Size: 11.6 x 6.8 x1.8 cm
What This Meter Is Used For
An Inline Digital TDS Meter continuously monitors the Total Dissolved Solids (TDS) level of feed water and purified water in reverse osmosis systems. It helps users assess RO membrane performance and monitor changes in water quality without removing water samples.
The meter is suitable for residential, commercial, and light industrial water treatment systems where regular TDS monitoring supports maintenance planning and system performance checks.
Models

Features
Standard Features
- Dual display for feed water and product water TDS
- Factory calibrated for accurate measurements
- Advanced microprocessor-based operation
- Measurement range from 0 to 9,990 ppm
- Large LCD display for easy reading
- Water-resistant meter housing
- Supplied with inline electrode probes
- Includes 1/4-inch quick-connect T-fittings
- Powered by two AAA batteries
- Suitable for continuous TDS monitoring
Available Options
- Replacement electrode probes
- Spare quick-connect fittings
- Battery replacement kits
- Compatible installation accessories
Why On-Site Testing Matters
Regular TDS monitoring helps identify changes in RO system performance before they affect water quality. Comparing feed water and product water readings also assists in evaluating membrane condition and scheduling maintenance when required.
Frequently Asked Questions
Yes. It is compatible with many RO systems that use standard 1/4-inch tubing connections.
The meter displays the TDS of incoming feed water and purified product water simultaneously for easy comparison.
Yes. It includes inline probes, quick-connect fittings, and batteries for installation.
The meter is factory calibrated. Periodic verification is recommended as part of routine maintenance.
It is suitable for residential RO units, commercial drinking water systems, and light industrial water treatment applications.
Get In Touch
Contact our team in Dubai to discuss your water treatment requirement and receive a solution configured for your site.
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