Deltapilot S
18
Hauser
Operating conditions (installation)
Installation instructions for
compact version DB50,
DB50A, DB50L, DB50S
• Always install the device under the lowest measuring point.
• Do not install the device at the following positions:
In the filling curtain, in the tank outlet or at a point in the tank that can be reached by pressure pulses from
the agitator.
• The calibration and functional test can be carried out more easily if you mount the device after a shut-off
device.
• Deltapilot S must be included in the insulation for media that can harden when cold. The use of rod or cable
versions is also possible.
Installation instructions for
rod and cable versions
DB51(A), DB52(A) and
DB53(A)
• When mounting the rod and cable versions, make sure that the probe head is located at a point as free as
possible from flow. To protect the probe from impact from lateral movement, mount the probe in a guide
tube (preferably made of plastic) or secure it with a clamping fixture. For devices for Ex-areas, see Safety
Instructions (XAs).
• The length of the extension cable or the probe rod is based on the planned level zero point. The top of the
probe should be at least 5 cm under this.
Supplementary installation
instructions
Process diaphragm
• Do not use sharp or hard objects to handle or clean the process diaphragm. Build-up has no effect on the
measurement result as long it is porous and does not present a mechanical load on the diaphragm of the
pressure measuring cell.
• The process diaphragm on all Detapilot S rod and cable extension is protected against mechanical damage
by means of a plastic cover.
Seal
• Deltapilot S with G 1 1/2 thread:
When screwing the device into the tank, the flat seal supplied must be placed on the sealing surface of the
process connection.
• Deltapilot S with NPT thread:
– Wrap and seal the thread with Teflon tape.
– Tighten the device at the hexagon head only. Do not turn the device by the housing.
– Do not screw in the thread too tightly. Max. torque: 20...30 Nm
Sealing the probe housing
It is important that no moisture enters the housing while mounting the probe, connecting the electronic insert
and operating the measuring system.
• Always screw the housing cover and the cables entries tight.
• The O-Ring seal in the housing cover and the thread of the aluminum cover are lubricated. If this lubrication
has been removed, replace it with silicone grease or graphite paste, for example, so that the cover seals tight.
Do not use mineral-oil based greases. These can destroy the O-ring.
