PME miniDOT Clear Dissolved Oxygen Logger
Features
- Portable, completely submersible, easy to operate
- User replaceable batteries and long lasting in the field
- Also records time, date, and battery voltage
- Free ground shipping
- Expedited repair and warranty service
- Lifetime technical support
- More
The miniDOT Clear logger is a completely submersible instrument that logs dissolved oxygen and temperature measurements with an internal LCD screen for accessing the latest readings. 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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