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Multi-Channel Trace Oxygen Meter

OXY-4 SMA trace (G2)

The OXY-4 SMA trace is compatible with sensor spots, dipping probes and flow-through cells of type PSt3 (detection limit 15 ppb dissolve oxygen, 0 - 100 % O2) and type PSt6 (detection limit 1 ppb dissolved oxygen, 0 - 5 % O2). With separate temperature compensation for each channel the system ensures most precise oxygen measurements in environments with changing temperatures. OXY-4 SMA trace is operated with the PreSens Measurement Studio 2 software, which offers numerous functions - like additional pressure and salinity compensation - and enables simultaneous control of multiple single and multi-channel devices.

  • Measurement range: 0 - 100 % O2 (PSt3) or 0 - 5 % O2 (PSt6)
  • Individual temperature compensation for each channel
  • Pressure & salinity compensation
  • For use with non-invasive sensors, dipping probes & flow-through cells
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Applications

Food & Beverage: Oxygen Permeation Measurement in PET Bottles

Non-invasive oxygen sensors measure both in liquid and in gaseous (headspace) phases. They perform through transparent materials up to a thickness of 10 mm and even through slightly opaque packaging. The measurement is carried out by firmly holding the fiber optic probe against the side of a PET bottle where the sensor spot is positioned. Adjustable mountings and bespoke fixtures are available. This system allows even the parallel measurement of different bottles as the fiber can be moved from bottle to bottle.


Long-term Measurements in Soil

PreSens offers dipping probes for oxygen measurement that does not consume oxygen. Due to their small dimensions they do not disturb the flow and mass-transport and consequently display the in-situ oxygen concentration. As minisensors from PreSens are long-term stable they can be implanted in soil for many years! With this new method the process of soil aeration, which is very critical for plant productivity, can be investigated.

Dr. Heidi Heuberger, Technical University of Munich, Munich, Germany


Technical

Specifications 
Oxygen sensorsPSt3, PSt6 (optical SMA connector)
Temperature sensor4 x Pt100 temperature connection (sensors not included)
Temperature performanceFrom 0 °C to + 50 °C, resolution ± 0.1  °C, accuracy ± 1.0  °C
Power supplyInput 100 - 240 VDC; Output 12 VDC
Temperature: operating / storageFrom 0 °C to + 50  °C / - 20  °C to + 70  °C
Relative humidityFrom 0 to 80 % (non-condensing)
Dimensions (L x W x H)410 mm x 380 mm x 250 mm
Weight3880 g
Digital InterfaceUSB interface cable to PC, cable included

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