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HM Digital
Discontinued Please See COM-80
https://cannonwater.com/hm-digital-com-80-ec-tds-hydrotester/
TDS Range: 0-5000 ppm (mg/L)
Temperature Range: 0-80 °C; 32-176 °F
Resolution: 1 ppm; Temp. resolution is 0.1 °C/F
Accuracy: +/- 2%
Conversion Factor: NaCl (avg. 0.5)
Calibration: Digital calibration by push button.
Housing: Water-resistant
Power source: 1 x 3V button cell (included) (model CR2032)
Dimensions: 15 x 2.8 x 1.3 cm (5.9 x 1.1 x .5 inches)
Weight: 42.5 g (1.5 oz)
PATENTS PENDING