smarTROLL RDO Handheld

Check dissolved oxygen levels instantly using your mobile device. Virtually no training required, and no calibration needed.

The smarTROLL Rugged Dissolved Oxygen Handheld system merges smartphone mobility with an innovative optical RDO sensor. Ideal for water quality testing spot checks, the probe measures and records dissolved oxygen, barometric pressure, air and water temperature, sending data wirelessly to your smartphone or tablet.