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💧 Master your water quality like a pro—because precision is the new power.
The UIUZMAR 4-in-1 Water pH TDS Meter Pen is a professional-grade digital tester designed for precise measurement of pH, electrical conductivity (EC), total dissolved solids (TDS), and temperature. With ±0.1 pH accuracy, a wide EC range up to 19.99mS/cm, and automatic temperature compensation, it’s ideal for hydroponics, aquariums, ponds, and various water quality applications. Ready to use out of the box with included calibration powders and batteries, it offers a versatile, user-friendly solution for maintaining optimal water conditions.
















| ASIN | B0CN9CLZWJ |
| Batteries | 4 LR44 batteries required. (included) |
| Batteries Required? | Yes |
| Batteries included? | Yes |
| Battery Cell Type | Alkaline |
| Best Sellers Rank | 37,695 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 54 in Lab pH Meters |
| Colour | Red 4 in 1 pH Meter |
| Customer Reviews | 4.3 4.3 out of 5 stars (963) |
| Date First Available | 25 May 2024 |
| Included components | ph meter |
| Item Package Quantity | 1 |
| Item Weight | 220 g |
| Item model number | UMR-PH08 |
| Manufacturer | Jinan Runjie Electronic Technology co., Ltd. |
| Measurement Accuracy | pH: +/-0.1pH |
| Part number | UMR-PH08 |
| Product Dimensions | 22 x 9 x 5 cm; 220 g |
| Style | 4 in 1-pH,TDS,EC |
C**N
Lovely quality, works perfectly
Works great - I use it for in field testing of water sources to identify ph levels as potential causes of peripheral tooth decay in equids. This is probably the best one I’ve had so far - and way, way better than paper strips
M**K
Good product
Works straight out the box easy to maintain
A**N
Ph probe
Very good
R**O
Ph spot on
it is very good giving a better read out than using test strips ,my tanks have modern substrate which tends to make the ph of the water very acid below 6.5 and the test strips were not very accurate , using this I can adjust the ph better I use bicarbonate of soda keeping the water at about 7.5 or just under ,also you can check the temp and tds
C**E
Works well
It seems reliable and accurate. Good quality
N**N
Poor product
Bought product twice, both units did not last 2 months
N**S
Great ph,tds,ec meter very accurate recommend
Great ph,tds,ec meter very accurate recommend
B**T
Very good
Very good pen
P**T
parfait et livré calibré
Se ph mètre est parfait livré dans une boîte solide vous avez des sachets pour le calibrer de tps en tps et il est très précis, à peine sortit de sa boîte il a fonctionné temp et ph de l'eau très précis et facile à utiliser Je le recommande
G**Z
Medidor
Muy bien , satisfecho con esta compra
L**.
Geen juiste meting
Heb dit product teruggestuurd, gedestilleerd water, regenwater of kraantjeswater de meting was voor alle drie tussen de 7.8-8ph was er dus niets mee
P**S
top produkt
nur zu empfehlen, funktioniert einwandfrei und präzise
M**E
Very easy and usefull meter for hydrophonic garden
To be honest i thought this would be to difficult for me. But i watched a youtube Chanel how to calibrate the meter. It worked perfectly. Very easy. And now i am just so happy with this Meyter, so i can measure the water of my hydrophonic system. Unfortanely there was no manual in english or dutch but with the help of.the you tube video and intuïtive meter it us easy! I recommend it!
Trustpilot
1 day ago
1 month ago