PME Cyclops-7 Logger

The PME Cyclops-7 Logger logs data outputted from one Turner Designs Cyclops-7 sensor (sold separately). The PME Cyclops-7 may be connected to a standard USB cable for calibration and storing data.


  • Records sensor measurement, time, date, logger battery voltage and gain
  • Sampling rates can be adjusted by the user, with a minimum time interval of 5 seconds
  • Data are offloaded from the logger to a computer via a standard USB cable
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PME Cyclops-7 Logger

The PME Cyclops-7 Logger is a self-contained data logging package for unattended monitoring. The Cyclops-7 Logger software allows the user to conduct sensor calibration as well as create visual plots of the data collected. The software is easily installed and operated.

The outer case of the Cyclops-7 Logger is constructed from Delrin, a hard and durable plastic material that does not easily crack or break. All internal circuitry and sensor components have been specifically designed to fit on the logger's spine. The batteries, SD card, on/off switch, circuit board, and other components are attached to a chem film aluminum spine.

Pairable Sensors

  • Blue Green Algae
  • Chlorophyll
  • Crude Oil
  • Fluorescein Dye
  • Optical Brighteners
  • Refined Fuels
  • Rhodamine WT Dye
  • Tryptophan
  • Turbidity
Questions & Answers
Can the sampling rate be changed for the logger?
Yes, the default is 10 minutes although with the Cyc7 Control program, users can define sampling rates. The rate must be at least 1 minute and no more than 60 minutes. The program is stored in the logger from the factory.
Is the logger completely waterproof?
The unit is rated for submersion and unattended monitoring although the battery compartment must remain completely sealed to prevent pressure discharges from water incursion in the battery compartment during deployment.
Are the sensors calibrated prior to shipping?
No, 2-point calibrations should be carried out using the Cyc7Control.jar program, which is stored in the logger.
What is the expected lifespan of the PME Cyclop-7 Logger?
With proper care, maintenance and calibrations PME Loggers can operate well beyond 5 years.
Can the reading interval be set and can the battery last for two months if read at and hourly interval?
Yes, at 1 hour intervals, the battery would last well over 2 months. At a 10 min interval, the battery life is 6 months.
Does the PME Cyclops-7 logger have any special storage conditions?
As long as the batteries are removed from the logger, storing in a the cold would be ok. If temperatures get below -20C (-4F), it is possible the electronics and housing could be damaged.
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Interchangeable Cyclops-7 Logger (sensor sold separately)
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