OMA-300 : A MULTI WAVELENGTH FIBER OPTICS PROCESS ANALYZER

For on-line concentration monitoring

The OMA-300  is a diode-array fiber-optics process spectrophotometer, measuring the absorbance of a sample as a function of wavelength. It is constructed of a light source, a dispersion device to select a particular wavelength, a sample area, and a detector. The OMA uses a tungsten, xenon or deuterium light source (depending on application), a holographic grating to disperse the light according to its wavelength, a fiber optics probe to transfer the light to and from the sample and a diode array detector which converts the light intensity into electrical signal.A full spectrum is continuously measured and analyzed, via a mutt wavelength method, to give the composition of the stream. The OMA-300 is designed to address on-line applications that require cost effective, accurate continuous concentration monitoring. A simple touch-screen based user interface is ideal for single and multi component analysis and allows for quick setup and calibration.
Wavelength ranges from 200-1,200 nm are continuously and instantaneously monitored by a diode array spectrophotometer with 2,048 elements. A nonvolatile memory section of the analyzer contains the calculation method, wavelength ranges and the name of the analyte to be displayed on the screen.
Standard outputs includes 4-20mA output and digital I/Os.Since the analyzer incorporates Modbus communication protocol it can readily communicate with external physical devices such as PLCs, RTUs, and controllers. The OMA-300   is offered in two different enclosures: A 316 Stainless Steel enclosure and a Class I Division I Groups B, C &D NEMA 4X / 7 Cenelec approved enclosure. Two fiber optic cables are used to conduct light to and from the probe or flow cell. A variety of flow cells and probes with different optical paths and materials of construction are offered. The two standard sampling system designs are : an extractive aspirated system with a manual or automatic zero and span for gases and liquids, and a semi in situ / extractive stack sampler with flow indication and automatic span and zero.

Applications include:

Chlorine , hydrogen sulfide, sulfur dioxide, color, aromatics, nitrogen oxide, nitrogen dioxide also:

• Hydrogen Sulfide
• Chlorine
• Chlorine dioxide
• Sulfur dioxide
• Nitrogen oxides
• Color
• Ozone
• Aromatics (BTX)
• Ammonia
• Metal ions
• Monitor specific wavelengths
• Interface detection
• Bromine
• Mercaptans

Features

• Accurate single or multi component concentration monitoring
  
• Solid state - Low maintenance
  
• Fiber optics probe- remote sensing
  
• Touch-screen display and users interface
  
• Turn key system for specific applications.
  
• 4-20 mA Outputs
  
• Modbus Ethernet TCP IP output
  
• Wide wavelength range for a variety of applications
  
• Easy to operate and maintain

Specifications:

Physical Dimensions: 

Fiber Optics Probe

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