HM AP-1 AquaPro Water Quality TDS Meter

Measures total dissolved solids (TDS) and temperature. 

Automatic Temperature Compensation (ATC) 

Water-resistant housing 

Measurement Range: 0-5000ppm 

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. 

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. 

Includes a cap and batteries 

Comes in a retail-oriented package 

TDS Range: 0-5000ppm (mg/L) 

Temperature Range: 0-80 °C; 32-176 °F 

Resolution: 1ppm; Temp. resolution is 0.1 °C/F 

Accuracy: +/- 2% 

Calibration: Digital calibration by push button. 

Housing: Water-resistant

Power source: 1 x 3V button cell (CR2032)

Dimensions: 15 x 2.8 x 1.3cm (5.9 x 1.1 x .5 inches)