Difference between revisions of "Water level - capacitive (Odyssey)"
Jump to navigation
Jump to search
m (Water level - capacitive (2) moved to Water level - capacitive (Odyssey): more descriptive title) |
|||
| Line 20: | Line 20: | ||
==Disadvantages:== | ==Disadvantages:== | ||
| + | - Each sensor needs to be calibrated. | ||
| + | - the sensor is not compensated for temperature or electrical conductivity. | ||
| + | - manufacture state the acurracy to be -+ 5mm, but in practice it tends to be 1cm. | ||
==What to watch out for:== | ==What to watch out for:== | ||
Revision as of 14:25, 15 July 2010
Parameter to be measured:
Water level
Method:
Capacitive
Equipment:
Odyssey
Advantages:
- Cheap
- Logging of 64k of data
- Logger start by starting start time
- The lack of an outer shroud makes it easy to transport the probes
- Available in different lengths
- Available with 2 sizes of brass weights
- The probe fits exactly on a 32 mm (ID) PVC pipe
- You can replace the batteries yourself
Disadvantages:
- Each sensor needs to be calibrated. - the sensor is not compensated for temperature or electrical conductivity. - manufacture state the acurracy to be -+ 5mm, but in practice it tends to be 1cm.
What to watch out for:
- Don’t damage the wire.
Problems/Questions:
- After 2 years of use, two of my loggers would no longer connect to the computer. All others still worked fined.
- One of my loggers would only record data for a few seconds. Restarting the logger and letting it run until the storage was full seemed to take care of this.
Links
Projects that used the above equipment:
Other related web sites:
http://www.odysseydatarecording.com/odyssey_productsview.php?key=1