Portable Water Tds Meter Pen Ec Conductivity Tester Water Quality Monitor For Drinking Water Concentration

Very good tester. Very competitive price compared to the one on the local market. Comes with battery installed, so is ready to go out-of-box. I do not have an equipment to compare TDS measurements, but the temperature is measured correctly. Good and fast packaging. Long delivery due to the Russian marauders invaded in my country. Many thanks to the seller.

Apparently good product, the same description, comes with battery. Still will do most apparently working perfectly, like description, will make test and back to better assess

Very glad that received the parcel. Today checked tester. The очищеной purchase water showed 11 units, and the tap water-more than 550. Satisfied with the purchase.

The quality of the goods is not bad, I am grateful for the delivery to Ukraine, we are at war, Russia is committing genocide against civilians.

Good product, they came super well protected and equals description and image, it looks very good quality, now I just have to try it.

You notice the difference between two cups of water, one pure and the other slightly sour. Excellent device I recommend the seller

I think all is well. but I did not try. I do not know how to try. there is no instruction for Russian. what to do with it?

Fast shipping. Everything corresponds to the description. Excellent salt meter in water. With a battery. All is well.

It came to Germany in 3 weeks. Checked, works. The device came immediately with the battery.

Appliance delivered quickly, working! Thank you very much for fast delivery, recommend!

Everything came quickly. Batteries in the kit, everything works, the case is available.

Good workmanship. Works flawlessly quality of water and the hardness of the water.

Works fine shows positive acid water balance in three digit figures as I expected

Everything corresponds to the description and configuration. Works.

Description, try to use, will leave an additional review.

The order was delivered long enough, came without damage

Delivery 24 days, batteries are included, the unit!

Corresponds to the description. Shipping fast.

Got a thing, all in order, thank you.

Super fast delivery to Yekaterinburg

Thank you, the goods came. Works.

all works and super fast delivery

delivered over a month to Latvia

Still unused, I hope it works.

Shipping 2 weeks. All Super

Tested. It works properly.

Received and tested

Ok!