Specifications:
Hold function: Saves measurements for convenient reading and recording Auto-off function: Turns off meter after 10 minutes of non-use to conserve batteries Measures form 0-999ppm Accuracy: +/-2% Battery: 2 x 1.5V Button Cell battery Item size:156mm x 30mm x 20mm(6.1 x1.2 x0.9in) Net weight:49g Weight:59g Note: Do not submerge the entire TDS meter in water. Only submerge the tip. This unit is not water-tight and is not covered under the warranty if water enters the unit.