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116
Oxygen
OMT355 Oxygen Transmitter for Industrial
Process Measurements
The Vaisala SPECTRACAP
®
Oxygen
Transmitter OMT355 is ideal for
oxygen monitoring in moist and
aggressive process gases. Typical
applications include gas generation,
inert gas blanketing, fermentation
and composting process monitoring.
Laser based measurement
The Vaisala SPECTRACAP
®
Oxygen Transmitter OMT355 is
ideal for oxygen monitoring in
moist and aggressive process
gases.The OMT355 incorporates
a compact tunable diode laser
(TDL) gas spectrometer built in the
measurement probe. This optical
measurement technology is well
known for unmatched stability and
robustness. The SPECTRACAP
®
sensor offers TDL technology in a
compact probe suitable for eld use.
The Vaisala SPECTRACAP
®
Oxygen Transmitter.
Direct installation
In many applications, the OMT355
can be ange-mounted directly into
a process. No sampling or sample
conditioning equipment is needed.
This feature provides real time
measurement data without sampling
or sample switching delays.
Sampling cell installation
An optional sampling cell is
available for processes with high
temperatures, elevated pressures
or extremely dif cult mechanical
conditions. Due to the robustness of
the SPECTRACAP
®
sensor and its low
sensitivity to gas ow and pressure
variations, the sampling system can
be very simple and it can be installed
near the sampling point.
Features/Benefi ts
▪
Minimizes need for sample
conditioning equipment
▪
In-situ probe or sampling cell
options
▪
Tolerates aggressive chemicals
▪
Tolerates excessive amounts of
moisture even in liquid form
▪
Low maintenance
▪
Diagnostic output for
preventive maintenance
▪
Heated optical surfaces to
prevent condensation
▪
Typical applications:
• gas generation
• gas blanketing
• fermentation
• composting process
monitoring
OMT355 with the sampling cell.
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