Extech EC500 Exstik 5 in 1 pH/EC/TDS/Salinity/Temperature Meter

Part Number: EC500

Retail Price per Filter: $199.99
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The Extech EC500 Exstik 5 in 1 pH/EC/TDS/Salinity/Temperature Meter combines quality and functionality with durability for a lifetime of customer satisfaction. It is a perfect amalgamation of useful features and meaningful innovations that make it a great and valuable product.


  • 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 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
  • Auto power off and low battery indicator
  • Waterproof to IP57
  • EC500 meter includes electrode, protective sensor cap, sample cup with cap, four 3V CR-2032 batteries, and 48" (1.2m) neckstrap. Order Conductivity standards and pH buffers separately
  • EC510 Kit includes EC500, 84?S/cm, 1413?S/cm, 12880?S/cm Conductivity calibration standards, pH buffer pouches (1 each of 4, 7, 10pH plus rinse solution), weighted base, 3 sample cups with caps, and case - $19 Savings


  • Conductivity:Range: 0 to 199?S/cm, 200 to 1999?S/cm, 2.00 to 19.99mS/cm ,Max Resolution: 0.1?S/cm, Basic Accuracy: ±2%FS
  • TDS/Salinity: Range: 0 to 99.9ppm (mg/L), 100-999ppm (mg/L), 1.00 to 9.99ppt, Max Resolution: 0.1ppm (mg/L), Basic Accuracy: ±2%FS
  • pH: Range: 0.00 to 14.00pH, Max Resolution: 0.01pH, Basic Accuracy: ±0.01pH
  • Temperature: Range: 23° to 194°F (-5 to 90°C), Max Resolution: 0.1°F/°C, Basic Accuracy: ±1.8°F/1°C
  • Waterproof: IP57
  • Memory: 25 datasets
  • Dimensions: 1.4 x 7.3 x 1.6" (36 x 186 x 41mm)
  • Weight: 3.8oz (110g)