This meter is the new, improved, version of the T51 meter. Highly recommended if the user is in contact with oily liquids where the unit might slip out of their hands. For a complete discussion on soil and liquid pH check out Planet School topic on pH.

Features

• Completely waterproof
• Replaceable sensor unit
• Digital readout from 2.0 to 15.0 pH levels
• Easy push button calibration
• Unique lock and hold button for easy recording or readings
• Operates on 3 lithium hearing aid batteries
• Unit automatically shuts off after nonuse in 10 minutes
• Can be used to test soil pH
• pH Tester W1 (T512) has an accuracy level of +/- 2%
• pH Tester W2 (T513)has an accuracy level of +/- 1% with automatic temperature compensation
• Comes with instructions on use, calibration & maintenance
• Self Diagnostic Error Messages that alert you of incorrect calibration input or low batteries
• We recommend that you order a calibration solution from the following page: calibration solutions

pH Tester W1

pH Tester W2