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MEASURING
AND CONTROL EQUIPMENT FOR OXYGEN
The oxygen-meters are developed for
circumstances with high demands : for instance WWTP's or fishfarms. the
oxygen-meters:
- combines very good quality with a
minimum of maintenance
- are relatively low in price
- are of a no no-nsense type and easy to install
- have worldwide service
THE PROBE The
most important part of the system is the probe
with a galvanic measuring-cell that gives a low voltage signal. This
signal is directly proportional to the oxygen grade.
Because of the fact that the electrode in
the probe uses very little oxygen, it is possible to measure
reliable data with a low velocity.
(1-2 cm/sec). |
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With a the low
diffusion speed the dirt deposition on the membrane is
reduced.
Cleaning the membrane with for instance ,a soft cloth, is
sufficient.
Whenever the
membrane is damaged it is possible to replace it without the use of special
tools within 2 minutes.
A probe which is not used for a
longer period, can easily be stored for a longer period. |
TECHNICAL
DATA PROBE: |
Electrode: |
Dimensions: |
dia 60 x 70
mm,
cab. length 3-200 m |
Measuring
principle: |
self polarizing
galvanic
cell |
Range: |
2,5 till 5 millivolt per ppm,
0-20 ppm, |
Outlet: |
outlet
independency ca. 5
kilo-ohm. |
Circumstances: |
temperature 0-40 gr C |
Pressure: |
till 10 bar |
Temperature
compensation: |
Automatically |
Calibration: |
In
air. |
Liquid
speed: |
1-2 cm/sec |
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