A3 Tap OT (Red)

TDS Range 0-80º C ATC Yes (0-80ºC) Accuracy /- 2% Calibration Factory calibrated with NaCl 342 ppm; adjustable Power 2 X 1.5 V button cell (357A) Battery Life Approx. 1000 Hours Dimensions 15.5 x 3.1 x 2.3 cm (6.1×1.25×1 In.) Weight 76.5 g (2.7 oz) (with case)