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Copyright Protecnica Solutions Ltd - 2014


Protecnica Solutions Ltd

Products Liink to Protecnica Solutions page on LinkedIn Brewing & Cider Soft Drinks Industrial & Chemical Pharma & Healthcare Dairy & Food CENTEC PROCESS SYSTEMS Portable Oxygen Measuring Equipment


Technical Specifications

Portable OXYGEN Sensor, Meter & Datalogger

Dissolved O2 in Water, Liquids & Condensate

O2 in Mixed Gases

Optical, Reliable, Low maintenance


Measuring range:

There are two types of optical sensing window. Type I = low range; Type II = high range

Operating Temperature:

Standard: -5°C to +55°C;

High Temperature version: -5°C to +98°C (for condensate applications)

Temperature resistance: up to max 130°C (266°F) for hot CIP, SIP etc. (Avoid chlorine and oxidizing cl- ions).

Temperature compensation: PT 100

Sampling rate: Adjustable 2 to 120 seconds


Pressure range: up to 12 bar g. Max. (Depends on hose rating)

Process connections: 6 mm OD tube for connection to flexible hose. Others on request.

Materials in product contact: 1.4404 (316L) s/steel, Silicone, PTFE. US FDA conforming

Wetted Surface finish: Standard <0.8 μm Ra; Polished option: <0.5 μm Ra + EP

Electrical Supply: Rechargeable battery. International and UK Charger supplied

Enclosure: IP 65. Case material: Aluminium (epoxy power coated).

Supplied with a robust carry case and shoulder strap.

Weight: ca. 1.8 kg

In liquids:

  • Low (Type I): 1 ppb - 2 ppm
  • High (Type II): 50 ppb - 50 ppm

In gases:

  • Low (Type I): 0 - 4.2% oxygen
  • High (Type II):  0 - 50% oxygen


by Centec GmbH. Made in Germany

Oxygen measuring instruments for liquid and mixed gas applications. Extremely portable yet highly accurate, robust hand-held instruments (weight: 1.8 kg). Oxytrans M quickly and easily takes single readings or it can be set-up to automatically take up to 5000 data readings at intervals from 1 to 120 seconds. High capacity rechargeable battery included.

Applications: Analysis of dissolved oxygen levels in liquids and O2 percentages in mixed gases.

Used for hygienic, sterile and industrial processes. e.g. water, DAL, beer, cider, wine, soft drinks, mineral water, vinegar, wort, O2 in CO2 from fermenters,  boiler condensate and many more…

Operating principle:  Optical luminescence, quenched by molecular oxygen.

Benefits: Portable, Accurate, Reliable,  Long operating life, Easy maintenance, CIP Cleanable.

No electrolyte or permeable membranes to replace.

Oxytrans TR (in line) OXYTRANS (UK).pdf


Series Brochure

Portable Oxygen Measurement

 Dissolved Oxygen in Liquids and in Mixed Gases

Uses Reliable High Accuracy Optical Luminescence