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HM Digital Dual Inline TDS Meter

You Save$3.00 (11%)
Weight: 0.1 kg
The Dual TDS meter offers an easy and convenient way of monitoring the performance of your RO or RO/DI unit. It allows you to quickly check the quality of the inlet and outlet water and helps you to determine when the cartridges need to be replaced. It is a great addition to any RO or RO/DI unit.

  • Highly efficient and accurate due to its advanced microprocessor technology.
  • Displays TDS levels of the Feed Water and Product Water with in & out electrode probes.
  • Auto-Off function conserves battery power. The unit shuts off automatically after 10 minutes of non-use.
  • Dual Range—Measures from 0 ~ 999ppm, with a resolution of 1ppm.
  • Factory Calibrated—Recalibration is not necessary.
  • Comes equipped with John Guest Quick-Connect T-fittings as shown.
  • Installs quickly and easily.


  • Range: 0 ~ 999ppm
  • Accuracy: ±2%
  • Power source: 2 x 1.5V button cell batteries (included)
  • Battery life: over 1,000 hours
  • Size: 7.6 x 2 x 4.7 cm (3" x .8" x 1.9")
Average Customer Rating: 4.73 based on 11 reviews. Write a review.

Edgar (Guest)
Very good.
All you need to install are included.
Roberto (Guest)
Amazing product!!! Small, compact and very
good for sevice
I'm happy and my Marine Tank too )))
I will have good water every time now. Very nice to see when new water have 0 TDS. It's realy good.
great product.
all OK! fast delivery. It works great out of the box and does not require adjustment.

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