
OFFICINE OROBICHE S.p.A.
2/9
24010 Ponteranica (Bergamo) ITALY - via Serena, 10 - Phone 0039/035/4530211 - Fax 0039/035/570546 - www.officineorobiche.it-e-mail:[email protected]
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MAR.’13
Information subject to change without notice
IST/164-I
3. OPERATING PRINCIPLE
Operation is based on the buoyancy principle.
The float is combined with a very high-precision clockworks gear-operated
system, which assure an accurate and repeatable level measurement in the
vessel.
The float (1), which contains a permanent magnet (2), slides along a rod (3)
that holds inside a further magnet (4) connected to a rod (5).
The float’s movement, which follows the fluid’s level, causes the inner
magnet (4) to move (by magnetic coupling).
The movement of the rope, which is wound around a pulley (6) with a
return device, causes the hands of the clockworks assembly to move and
indicate the fluid’s level in the vessel.
4. INSTALLATION
4.1 ASSEMBLING
Before installation, ensure the vessel connection is compatible with that of the instrument and that use is compatible with
data printed on the rating plate (pressure, temperature, density and the like.).
The device shall never be used with fluids tending to adhere or crystallzie, as that would block the float that slides along
the sliding rod.
The TLQ-series level indicator shall be installed in the upright position. (3° maximum angle).
The device is typically mounted on top, for both TLQ-S and TLQ-H models (fig.A). The device can also have the dial
mounted in the bottom part of the vessel (fig.B) (for model TLQ-H only).
FIG. A
FIG. B