Just installed and added to a brand new "Express Water" RO system. Works great so far. Automatic switch-off function is a very useful and comfortable feature. This TDS meter completes a full set of the RO system together with other two "add-ons": 1) manual membrane flush valve and 2) pressure gauge (please see photos).
Verified purchase: Yes | Condition: New
This unit is budget priced, yet effective and simple to use. Simple flick of a switch, it shows incoming and outgoing TDS (total dissolved solids) The quality of your water! Great for the money, easy and simple to install onto your RO/DI unit. Highly recommend for quality and ease of use.
Verified purchase: Yes | Condition: New
This is probably the best way to test the inlet and outlet of your RO system and to check the water quality that you get from your RO system, it is the best way to know how your RO membrane is still good or need replacing. before i used to remove the inlet of the tap water side to check the TDS ppm and also the outlet side of the RO membrane with a pen type TDS meter. Now its just a push of a button to actually know the TDS ppm. very happy with the purchase.
Verified purchase: Yes | Condition: New
Source water is from my well, 5 mi. install under the sink another 5 min to run a line for the ice maker. 573 PPM raw water, 43 PPM out. 5 stages of filtration and UV Final stage polish.
Verified purchase: Yes | Condition: New
very easy to add to any system. HM is a good brand, and their stuff is reliable and accurate. Its a good way to tell when filters need a change out. So far I think its worth every penny.
Verified purchase: Yes | Condition: New
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