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3. INSTALLATION OF
FU20-FTS/MTS
For optimum measurement results, the
FU20-FTS/MTS should be installed in a
location that offers an acceptable
representation of the process composition
and DOES NOT exceed the specifications
of the sensor.
The FU20-FTS/MTS is designed with 3/4"
NPT threaded connections on both ends
of the sensor to allow installation in a wide
variety of applications.
3.1 Typical installation
The FU20-FTS/MTS sensor is designed
for versatile in-line, immersion or off-line
installation. For best results the FU20-
FTS/MTS should be mounted with the
process flow coming towards the sensor.
For the Fixed cable versions requires
installation of the sensor positioned at
least 15° above the horizontal plane to
eliminate air bubbles in the pH glass bulb
(see Figure 3).
Figure 3: Sensor installation
3.2 Preparing the sensor for use
Remove the sensor from its shipping box
and slide of the so-called 'wet pocket', the
tube filled with solution to prevent drying
out of the measuring elements during
shipment or storage. Although on the
Quality Inspection Certificate (QIC) all
factory calibration data is stored, it is
recommended to calibrate the sensor
before first use. A general calibration
procedure is described in Section 6 of this
Instruction Manual.
3.3 Mounting the sensor
The simplest mounting is to use one of
the 3/4" NPT threaded connection of the
sensor. Apply Teflon tape to the
appropriate threaded end, then install the
sensor in the process Tighten the sensor
using a wrench on the sensor flats. (see
Figure 4).
Note: Do not overtighten the sensor
body. Max. torque applicable in paragraph
2.9
Figure 4: Simple mounting of sensor
IM 12B06J03-05EN-P
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