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Barben Analytical Optical Oxygen Analyzer, 4401OXY

Legacy - Oxygen Analyzer (4401)

Brand: Barben Analytical
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The 4401OXY analyzer optically measures oxygen in either the gas or liquid phase by utilizing quench luminescence of an oxygen specific luminophore.

The analyzer is suitable for direct field installation (NEMA 4X) in hazardous area (Class I, Division 2). 

The optical fiber sensor platform allows small inline sensors to be installed into sample tubing lines (1/4”), flow cells using NPT fittings, or directly into tanks or process lines using our retractable “hot tap” sensor design. 

BOS optical oxygen sensors are impervious to typical O₂ poisons (H₂S) and interferences (combustibles, magnetic, CO₂ and H₂ ) with high accuracy and long-term stability measurements without the need for complex or advanced sample conditioning systems. 

The threaded version of the optical sensor has optional Dual Seal (ANSI/ISA 12.27.01) classification for high pressure applications up to 1,200 psig (82.7 bar).
Features
  • Excellent long term stability and low drift
  • Measurement inherently fails high if sensor damaged (no false zero)
  • LOD = 0.5 ppm O₂ gas phase
  • No membranes to foul; No electrolytes to poison; No consumption of O₂
  • Hazardous area approvals: FM, CSA, ATEX, UL and CE
  • No cross-sensitivity or damage caused by: CO₂, H₂S, NH₃, NO₂, heavy metals, ethanol, methanol or ionic species pH, S²⁻, SO₄²⁻, Cl⁻, salinity or turbidity
  • Measurement independent of flow velocity

Specifications

Brand

Approvals & Certifications

  • ATEX II 3 G Ex NA IIC 135° C (T4), 94/9/EC
  • CE
  • CSA
  • EMC 2004/108/EC
  • FM
  • LVD (Low Voltage Directive (LVD)) 2006/95/EC
  • UL

Calibration

  • Conventional Two Point Calibration

Environmental Protection

  • IP66
  • NEMA 4X

Humidity

  • 95 % Relative Humidity, Max.

Operating Temperature

  • 0° to 50° C (32° to 122° F)

Output

  • Analog Output: (2) Programmable Current Outputs with Galvanic Isolation, 4-20 mA
  • Analog Output: (2) Programmable Voltage Outputs with Galvanic Isolation, 0-10 V

Power Supply

  • 100-240 Vac, 50/60 Hz
  • 9-24 Vdc

Storage Temperature

  • -10° to 65° C (14° to 149° F)

Gas Phase

  • O2 in hydrocarbon streams
  • O2 detection in nitrogen headers
  • O2 in process streams
  • O2 in nitrogen tank blanketing
  • Trace level oxygen in flare gas
  • Limit of Detection: 0.5 ppm O2 @ 1atm, 20°C (0.0005 hPa)

Liquid Phase

  • High pressure produced water Dissolved O2
  • ppb dissolved O2 for waterflood injection
  • Oxygen in methanol and ethanol
  • Oxygen in oils
  • Dissolved O2 in liquid process streams
  • Dissolved O2 in product streams

Documentation

Data Sheets

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