DO Profile Probe

The OxyGuard Profile is a small dissolved oxygen probe with a very fast response time and a
short temperature equilibrium time. It is designed specially for profiling measurements in
ponds, lakes and the sea. It is (unlike other types of dissolved oxygen probe) NOT sensitive to
hydrogen sulphide!

The measurement process in standard dissolved oxygen probes is such that the whole probe
must attain temperature equilibrium with the surroundings before correct measurements are
obtained. The OxyGuard Profile overcomes this problem – it measures correctly immediately
thanks to its innovative and technologically advanced design!

As with all OxyGuard dissolved oxygen probes, the Profile has built-in temperature
compensation. It delivers a millivolt output directly proportional to the oxygen pressure that it
senses. The electronics needed to process the probe output can therefore be very simple!

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