Extech EC500 Waterproof ExStik® II pH/Conductivity Meter

Combination rugged flat surface pH electrode with autoranging high accuracy Conductivity cell

• Measures 5 parameters including Conductivity, TDS, Salinity, pH, and Temperature using one electrode
• 9 units of measure: pH, µS/cm, mS/cm, ppm, ppt, mg/L, g/L, °C, °F
• Analog bargraph 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