| Extech (EC500) Waterproof ExStik� II pH/Conductivity Meter |
 Combination flat surface pH electrode with auto ranging high accuracy Conductivity cell Features: Measures 5 parameters including Conductivity, TDS, Salinity, pH, and Temperature using one electrode 9 units of measure: pH, �S/cm, mS/cm, ppm, ppt, mg/L, g/L, �C, �F Analog barograph indicates trends Memory stores up to 25 labeled readings Adjustable Conductivity to TDS ratio from 0.4 to 1.0; 0.5 fixed Salinity ratio RENEW feature alerts user when electrode needs replacement Order Conductivity standards and pH buffers separately Complete with meter and electrode, protective cap, sample cup, four 3V CR-2032 batteries, and 48" (1.2m) neck strap Price: 192.75 |