HM Digital Pro Series Pen Style TDS/EC/Temp MeterThe COM 100 is a professional grade level EC TDS Temp meter ideal for all water quality testing, hydroponics, water purification applications, wastewater regulation, aquaculture, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment and more. Features: Measures electrical conductivity (EC), total dissolved solids (TDS), and temperature. UPGRADED: Four scales: S, mS, ppm 0. 5 (NaCl) Scale
Shopping security
Each payment you make on thelockerguy is secured with strict SSL encryption and PCI DSS data protection protocols