5 Installing the pressure probe
WARNING Risk of explosion due to spark formation and electrostatic charge
If the OTT PLS 500 is operated in an explosive atmosphere, there is a risk of the
atmosphere igniting. This can cause an explosion involving a risk of very severe
injury and damage.
▶
Never operate the OTT PLS 500 in potentially explosive areas (e.g. waste
water channels). The OTT PLS 500 does not have EX protection (explosion
protection)!
WARNING Risk of strangulation by pressure sensor cable!
Hanging a pressure sensor cable around the neck during transportation/installa-
tion can lead to strangulation if sufficient care is not exercised.
▶
Never hang the pressure probe cable around the neck!
CAUTION Risk of crushing fingers/hands during installation
Fingers/hands can become trapped or crushed when lowering the pressure probe
into the observation well/fixing the pressure probe in a protection device.
▶
Wear protective gloves during installation!
The OTT PLS 500 pressure probe can be used in a variety of ways, for example, in
observation wells and boreholes from 1" diameter, in shafts, open waterways, and
in waterways that do not always hold water.
The pressure probe can be installed in two ways:
▶
Installation type A:
fixed in an individual protection device (e.g. plastic
pipe), adapted to the respective instatllation site and to be built on site
▶
Installation type B:
hung on the pressure probe cable
Please note:
We do not recommend installing the pressure probe in the vicinity
of port facilities, industrial waste water discharges or areas with heavy chemical
contamination. The pressure probe is constructed from high-quality stainless steel
and plastic. However, depending on the mounting location, damaging corrosion
can arise. For more information on the materials used, see Chapter 13 "Technical
data".
Required accessories
▶
Humidity absorber OTT FAD 4PF or OTT FAD 6
▶
Installation type A: protection device; possibly fixing pin (see Fig. 2)
▶
Installation type B: OTT cable suspension (see Fig. 1)
Required tools
▶
Screwdriver
Please note:
No moisture should be allowed to enter the pressure compensa-
tion capillary of the pressure probe cable during installation! Very high humidity
can lead to condensed water drops in the pressure compensation capillary due to
temperature fluctuations. This results in unusable measurement results! Therefore,
leave the transport protection on the cable end during the entire installation phase
of the pressure probe cable.
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