Pinpoint Oxygen Monitor: Oxygen Monitor

Displays a digital readout of the dissolved oxygen (DO) in the range of 0.0 - 20.0 ppm. Operates for about 150 hrs. on a 9V battery (not included).Electrodes, adapter kit, and calibration packets available for Pinpoint monitors. Click here to view.Please note: Return of electrical equipment to Drs. Foster & Smith for exchange or refund is limited to 60 days from the date of purchase. Beyond 60 days, electrical equipment is covered by the manufacturer's warranty and should be returned directly to the manufacturer.