HomeIndustrial and ScientificTest, Measure and Inspect Top 1 Best Test, Measure and Inspect #1 2Pcs TDS-Meter, Digital Pool Salt Tester 1-9990PPM, TDS, EC 10 SCORE View Detail Buy it on Amazon ✔【APPLICATION】- TDS Tester can test drinking water, aquariums, hydroponics, swimming pools, spas and other water systems wine and beer and so forth.it's convenient to check the standard of water anytime, anywhere✔【FEATURE】- Dual Range,measures from 1-9990PPM,with resolution of 1 ppm;The upper ppm value is,the more substances within the water. Factory calibrated,widely apply to check water qulity,for RO system, aquariums, hydroponics, pools, spas,and so forth✔【DIMENSIONS】- Model: TDS-M2;Length:138mm/5.43";Width:23mm/0.91";Height:13mm/0.51" More Detail+ Recommended Categories related to Test, Measure and Inspect Substance An... Conductivity... Lab and Scie... Lab Instrume... Meters Editor’s Pick: Trending Products you will love Aquarium Hydrometers CIZTADA Smart Salt Tester for Saltwater Digital Salinity Meter with ATC 0-100 PPT Multi-Parameter Tester for Saltwater Pool& Spas Koi Fish Pond Aquariums Seawater $21.99 View Detail Industrial and Scientific Tapco Windy Special Siding Brake (10’6″) $1725.48 View Detail Aquarium Hydrometers ORAPXI Salt Water Tester Digital Pool Salt Meter 0-100 PPT & 1.000-1.070 Specific Gravity (SG) for Aquarium, Seawater, Salt Fish Tank, Marine aquaculture, Marine Monitoring View Detail