OR125 Series Oxygen Sensor Probes

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These probes are a convenient replacement for standard 1/8″ (3.175 mm) oxygen electrodes. Available in both smooth and O-ring grooved versions, they integrate seamlessly into existing industrial and process applications.

  • Mates to system using a BIFBORO-1000-2 fiber assembly and 21-02 splice bushing
  • Grooved version accomodates an O-ring near the tip for sealing
  • Available for all sensor formulations
Optional silicone overcoat:
  • Excludes ambient light and cross-fluorescence
  • Eliminates interference from sample color and turbidity
  • Protects the sensor from biofouling interference and chemical degradation
  • Increases response time; use only to mitigate interfering factors described above
  • The overcoat applied to our FOSPOR chemistry has been USP Class VI certified.

 

Mechanical Specifications

Engineering Specifications OR125 Probe OR125-G Probe
Fiber core diameter: 1000 μm 1000 μm
Outer diameter: 3.175 mm (1/8″) 3.175 mm (1/8″)
Length: 63.5 mm 63.5 mm
Ferrule material: Stainless steel Stainless steel
Connector: SMA 905 SMA 905
Pressure: 300 psi 300 psi
O-ring groove: None Located near tip
Compatible fiber assembly: BIFBORO-1000-2, 21-02 BIFBORO-1000-221-02

Oxygen Sensing Specifications
  • Reported in percent oxygen at different oxygen measurement levels

0% 1% 5% 10% 20% 50% 90% 100%
Accuracy
FOXY
0.05 0.10 0.30 0.10 0.03 0.50
HOXY 0.02 0.05 0.03 0.50 0.50 1.50
FOSPOR 0.01 0.01 0.01 0.05 0.05 0.05
Resolution
FOXY 0.01 0.01 0.01 0.01 0.02 0.05 0.1 0.1
HIOXY 0.004 0.004 0.004 0.01 0.02 0.2 1 1
FOSPOR 0.005 0.005 0.004 0.01 0.02 0.1 0.1 0.2

Drift Specifications

  At 0% Oxygen At 20% Oxygen
FOXY 0.003%/hr 0.0015%/hr
HIOXY 0.002%/hr 0.010%/hr
FOSPOR 0.0003%/hr N/A

Measurement Techniques in which this product is used: