| Hydrostatic
Optoelectronic
Levelling
MEasurement
System |
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| Hydrostatic digital height gauge HOLMES is designed for automated
measurement of height differences between measured points by the hydrostatic levelling
method. HOLMES provides precise long term height position measurement of large objects
in civil engineering and machine industry, such as reactors in nuclear power plants,
high energy particle accelerators etc. |
| Its function is based on the principle of jointed vessels. The position of
common liquid level in the sensors is measured by optoeelectronic method using CCD
line image sensors. Numeric value of height differences between sensors bases is
computed by original algorithm. |
| Personal computer is the central unit of this multiprocessor measuring system
with distributed intelligence and permits programmable automated measurements e.g.
the time dependence of measured points height changes with screen display, storage
and printout ability of measurement results. |
| Our original software may be modified according to user´s requirements. |
Basic specifications: |
| Number of measured points | up to 32 |
| Distance between measured points | max. 1000 m |
| Measuring range | ± 10 mm |
| Accuracy of measurements | 0,1 mm |
| Resolution | 0.01 mm |
| Temperature range (indoor operation) | + 5 to + 40 st. C |
| Dimensions of sensor l x w x h | 455 x 150 x 120 mm |
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Configuration for reactor simulation |
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PC with HOLMES program |
Old sensor |
Old electronics |
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The last hydrolevelling sensor |
Pendametric sensor |
Covered pendametric sensor |
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