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HM Digital SM 1 Monitor Accuracy Review

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Very good

Revainrating 4.5 out of 5  
Rating 
4.7
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Description of HM Digital SM 1 Monitor Accuracy

Displays TDS level of a single water line. Highly efficient and accurate due to its advanced microprocessor technology. Auto-Off function conserves battery power. The unit shuts off automatically after 10 minutes of non-use. Wide Range 0-9990 ppm (From 0 - 999 ppm the resolution is 1 ppm. From 1000 to 9990 ppm, the resolution is 10 ppm,.

Reviews

Global ratings 3
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  • 4
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Type of review

Revainrating 4 out of 5

I run both single and dual row TDS monitors from .

I use HM Digital single and double row TDS monitors in my reverse osmosis systems. One of them failed after a few months but was quickly replaced. You may need to periodically unplug and clean the sensors.

Pros
  • The auto-off function saves battery power. The device turns off automatically after 10 minutes of inactivity.
Cons
  • Big and chunky

Revainrating 5 out of 5

Reverse osmosis system's best friend

Great stuff! We install them in reverse osmosis systems and they work much better and easier than using a handheld meter to check product quality and make sure all your filters are working. Very easy installation with plug connections. Comes with adhesive and velcro so you can attach it to a convenient place. Good product.

Pros
  • High efficiency and precision thanks to advanced microprocessor technology.
Cons
  • Some bugs

Revainrating 5 out of 5

Easy to install on Lab & Scientific products

I had a 3D printer to cut Bowden tubes and you know what? It's almost the same pipe! Makes clean 90 degree hose cuts so I just put a T on the faucet outlet line, push the hose firmly into the fitting and voila, no leaks. Simply peel off the Velcro and stick it to the wall. Good batteries are already in there. It took about 2 minutes! It was lightning fast! The only thing was that the wires weren't very long. But I got waist-deep. It was possible to solder longer wires. At the end is a plug.

Pros
  • Displays the TDS level in a water line.
Cons
  • Exorbitant Piggy Bank