AP-1 Aquapro TDS Meter

AP-1 Aquapro TDS Meter measures total dissolved solids (TDS) and temperature. It has Automatic Temperature Compensation (ATC) and a water-resistant housing. The AP-1 is factory Calibrated: The AquaPro is calibrated with a 342 ppm NaCl solution. The meter can be recalibrated with digital calibration using the push buttons, rather than a screwdriver.

Specifications:

Measurement Range: 0-5000 ppm
* Digital Calibration (push button)
* Auto-off function, data-hold function and low-battery indicator
* Display: large and easy-to-read LCD screen includes simultaneous temperature reading
* Includes a cap and batteries
* One year warranty