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 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 Industrial and Scientific Tapco Windy Special Siding Brake (10’6″) View Detail 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 View Detail