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1. PREFACE
1.1 Introduction
This instruction manual provides
information for the installation and use
of the FU20-FTS and FU20-MTS, four-in-
one wide body pH sensors. Like the
other members of the FU20 family the
FU20-FTS/MTS is the choice for the
majority of typical wastewater and process
applications. The FU20-FTS/MTS uses a
salt sensitive reference technology
to eliminate problems of conventional
reference systems.
The Model FU20-FTS/MTS offers a
simple and cost-effective solution with
the possibility to combine this sensor
with SENCOM SMART technology. This
all-in-one sensor provides simultaneous
measurement of pH, pNa, redox (ORP)
and temperature if desired.
The rugged body is designed for easy
installation into on-line and immersion
applications via the 3/4" NPT threaded
connections provided on both ends of the
sensor. Like the conventional FU20
sensors the salt sensitive sensor fits with
the PR10 retractable fitting for installation
in continuous processes where minimum
process interruption is required. Optional
quick-removal adapters in both stainless
steel and titanium are available to make
calibration and maintenance even easier.
The FU20-FTS/MTS comes with a
multipole VP connector and requires
separate cable type WU10-V-D or WE10-
H-D that are available in several lengths.
Additionally, the models type VP and VS
can be mounted in all angles including
Upside Down.
The VP and VS model can be used with
an analogue analyzer in combination with
universal WU10- cable or halogen free
WE10- cable. Both cables are available in
different lengths.
The VS model with integrated ID-chip can
be used with SA11-P2 Smart Adapter,
which is placed directly on top of this
connector, or remotely connected using
the 3 meter WE10-H-D-003-V2 cable.
1.2 Unpacking and Checking
Upon delivery, unpack the sensor
carefully and inspect it to ensure it was
not damaged during shipment. If damage
is found, retain the original packing
materials and then immediately notify the
carrier and the relevant Yokogawa sales
office. Make sure the Model Code and
Serial Number on the sensor are the
same as on the packing list. Also, check
any option(s) that were ordered are
included and correct.
For some specific sensor information, the
size of the sensor label is not big enough.
For that reason and specifically for
information related to the intrinsically
safety compliance of FM-US and FM-
Canada, a separate label is delivered.
This label needs to be connected, in case
of use in United States and Canada in a
hazardous area, onto the sensor cable.
IM 12B06J03-05EN-P
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