Extech ® ExStik II pH/Conductivity Kit

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Item No: 145341
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Product Information

Extech ® ExStik II pH/Conductivity Kit

Get on-the-spot soil analysis quickly and easily. Kit includes everything you need to measure five parameters: conductivity, TDS, salinity, pH and temperature in nine units of measure (µS/cm, mS/cm, ppt, ppm, mg/L, g/L, pH, ºC or ºF). Meter stores up to 25 readings and has an analog bar graph that indicates trends. “Renew” feature alerts you when the electrode needs to be replaced. Auto power-off and low-battery indicator. Waterproof to IP57. Meter measures 1.4" x 7.3" x 1.6" overall. Weighs 3.8 oz. Includes weighted base. Imported.

Kit Includes:

1 Carrying Case

4 3-Volt CR-2032 batteries

1 48" Neck Strap

1 Conductivity calibration standards (84µS/cm, 1413 µS/cm and 12880µS/cm)

4 pH buffer pouches (1, 4, 7 and 10 pH plus rinse solution)

3 Sample cups with caps



Max. Resolution

Basic Accuracy


0 to 199µS/cm, 200 to 19999µS/cm, 2.00 to 19.99mS/cm




0 to 99.9ppm (mg/L), 100-999ppm (mg/L), 1.00 to 9.99ppt

0.1ppm (mg/L)



0.00 to 14.00pH




23° to 194°F (-5 to 90°C)




pH Range:0.00 to 14.00
pH Accuracy:±0.01
pH Resolution:0.01
EC Range:N/A
EC Resolution:N/A
TDS Range:N/A
TDS Resolution:N/A
EC/TDS Accuracy:N/A
Temperature Display Range:23 to 194°F/-5 to 90°C
Temperature Accuracy:±1.8°F/±1.0°C
Temperature Resolution:0.1°
Temperature Compensation:Automatic
Calibration:Push button
Calibration Solution:Included
Memory:25 readings
Replaceable Electrode:Yes
pH, EC & TDS Meters Comparison Chart

Online Documents

  • Info Sheet - Specs for Extech ® ExStik II pH/Conductivity Kit
  • Owner's Manual - Instruction Manual for Extech ® ExStik II pH/Conductivity Kit