TMC V2 Pure In-Line TDS Meter – Dual Digital RO Water Monitor
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TMC V2 Pure In-Line TDS Meter
Accurate RO Water Quality Monitoring
Take control of your aquarium's water quality with the TMC V2 Pure In-Line TDS Meter, designed to monitor the performance of reverse osmosis filtration systems.
This digital monitor measures Total Dissolved Solids (TDS) before and after RO filtration, providing instant feedback on how effectively your system removes dissolved impurities.
Ideal for marine and reef aquariums, it helps identify declining membrane performance before poor-quality source water affects your aquarium.
Key Features & Benefits
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Dual TDS monitoring – Displays readings before and after RO filtration.
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Automatic removal calculation – Shows the percentage of dissolved solids removed.
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Colour-coded indicators – Green above 80% removal; red below 80%.
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Backlit digital display – Clear, easy-to-read measurements.
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Accurate monitoring – Measures 0–999ppm with 1ppm resolution.
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Quick-connect installation – Conveniently fits compatible RO tubing.
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Flexible power options – Battery operation or optional mains power.
Why Monitor Your RO Water?
RO membranes gradually lose performance over time. Monitoring TDS helps identify when filtration efficiency has declined and maintenance may be required.
For reef aquariums, a de-ionisation (DI) stage can further reduce residual dissolved solids after RO filtration.
Technical Information
Measurement range: 0–999ppm
Resolution: 1ppm
Accuracy: ±2%
Power: CR2032 lithium battery included; optional mains adapter not supplied.
Important: The 80% indicator is a performance warning threshold, not a guarantee that the water is suitable for reef aquarium use. Always assess the actual output TDS.
For complete water purification, explore our TMC V2 Pure RO Systems, replacement filters, RO membranes and DI resin.
TMC V2 Pure – reliable monitoring for consistently high-quality RO water.
