PME miniDOT Dissolved Oxygen Logger

The miniDOT Logger is a completely submersible instrument that logs dissolved oxygen and temperature measurements.

Features

  • Long-lasting sensor with stable calibration
  • Up to 1-year battery life with user-replaceable batteries
  • Also records time, date, and battery voltage
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PME miniDOT Dissolved Oxygen Logger7450 miniDOT dissolved oxygen & temperature logger
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PME USB Communication Cable 7286 USB communication cable
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PME miniDOT Anti-Fouling Copper Mesh Kit 4405 miniDOT anti-fouling copper mesh kit
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PME miniDOT Wiper Bracket Attachment 5945 miniDOT bracket attachment for miniWIPER
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PME miniWIPER for miniDOT Logger 5950 miniWIPER anti-fouling sensor wiper for miniDOT Logger
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The miniDOT logger is a completely submersible instrument that logs dissolved oxygen and temperature measurements. It includes an optical DO sensor, a temperature sensor, batteries and a micro SD memory card. Data are recorded internally with a sample interval from once per minute to once per hour and can be offloaded to a computer via USB cable.

The miniDOT sensor is an optode that measures lifetime-based luminescence quenching of a thin membrane. The sensing foil contains a coating that has a variable fluorescence that depends upon oxygen concentration in the surrounding water. The sensor is able to compute oxygen concentration in mg/L and record these measurements internally. Each logger is factory-calibrated at 12 oxygen concentrations each at 8 temperatures for a total of 96 calibration points.

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