miniDOT® Logger

The miniDOT® logger is a completely submersible instrument that logs dissolved oxygen and temperature measurements. The oxygen sensor is an optode that measures dissolved oxygen concentration in water

  • Product Name:miniDOT® logger
  • Item No.:miniDOT® logger
  • Manufacturers:PME
  • Country of Origin:USA

The miniDOT® logger is a completely submersible instrument that logs dissolved oxygen and temperature measurements. The oxygen sensor is an optode that measures dissolved oxygen concentration in water through a fluorescence method. Data are recorded to an internal SD card. Operation of the miniDOT® logger such as setting the time and sample interval can be accomplished via the USB cable.

Features:

  • Long-Lasting

  • Stable calibration

  • Records time, date and battery voltage

  • Anti-fouling available


MORE ABOUT THE MINIDOT® LOGGER

  • User replaceable batteries

  • 100 Meter depth rating

  • Shipped calibrated

  • Portable and easy to use


The miniDOT logger measures dissolved oxygen in water and is completely self contained. It includes an optical DO sensor, a temperature sensor, batteries and a micro SD memory card. The logger collects measurements of dissolved oxygen with an accuracy of +/- 5% and temperature to +/- 0.1 degrees C. All measurements are stored internally. Data can be offloaded to a computer via the miniDOT USB cable. Temperature range is 0 to 35 degrees C with an accuracy of +/- 0.1 degrees C. Oxygen range is 0 to 150% saturation with an accuracy of +/- 10 umole/L.

PME also has an anti-fouling wiper compatible with the miniDOT logger. Increase your data longevity by using the PME wiper. More about the miniWIPER.


LOGGER INFORMATION & SENSOR SPECIFICATIONS

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. Every miniDOT logger is calibrated at PME headquarters. PME calibrates each logger at 12 oxygen concentrations each at 8 temperatures for a total of 96 calibration points. The miniDOT logger can sample any where between once every minute to once every hour. Contact PME for sample intervals outside this range.