WNIP Mar Apr 19.2 Digital

30
New gas transmitter
19.2
Oldham is very pleased to
announce the launch of
the OLCT 700 and OLCT 710 gas
transmitters. The 700/710 Series
comprises 3 different models
-FP, TP or IR- for the detection of
flammable, H2S or CO2 gases.
The OLCT 700 can be used in
combination with an increased
safety approved junction box from
your furniture. The OLCT 710 is
ready to use and is made of an OLCT
700 attached to a junction box
that contains the terminals and an
optional surge protection module.
The OLCT 700/710 Series
is specifically designed for
harsh and extreme locations. It
provides reliable operation in any
circumstances between -40°C
and +75°C. This new and superior
level of environmental durability
in sensor design includes an
electropolished 316 stainless steel
housing and 100% encapsulated
electronics for complete
protection and immunity to water
ingress and corrosion.
The plug-in, field replaceable
sensors can be easily replaced
in the field. Operator interface is
non-intrusive via a small handheld
magnet and the embedded
software is very intuitive.
SIL 2 certified according
to IEC 61508:2010 functional
safety standard, OLCT 700/710
instruments are also ATEX 2G
certified for use in ATEX zones 1
and 2.While the Model TP is using
a poison-resistant catalytic bead
sensor to detect combustible
gases, the Model IR includes
an infrared sensor to monitor
combustible or CO2 gases.
The Model TP is equipped with
a proprietary solid state metal
oxide semiconductor sensor
(MOS) and is very well suited to H2S
detection in severe applications
where the detector can be exposed
to very high concentration/
temperature and very low/high
humidity. It is commonly used:
- in Wastewater Treatment
Plants (primary treatment,
biological treatment, etc. ),
- in Oil and Gas Industry
(production platforms, drilling
rigs, refineries, etc.),
- when temperature exceeds
the upper operating temperature
of 40-50°C.
The 700/710 Series is
compatible with all Oldham
MX controllers and is ModBus
compatible with the MX 40 which
can connect to up to 32 detectors.
The MX 40 has a 2Gb SD
memory card and records all data
(measurements, alarms, faults) in
CSV format. The data can be read
directly on the unit or digitally
on our File Log Viewer software
which can be downloaded free
of charge from our website. The
MX 40 can be accessed remotely
via Ethernet or GSM. A web page
displays measurements and
channel statuses in real time, and
is accessible from any computer or
wireless phone connected to the
internet. This option also allows
you to have SMS or email messages
sent in the case of an alarm.
sandy.vanderwalt@
spero.co.za
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