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The 4mm BOS FIBERSENSE sensor is designed for 1/4-inch slip-on flow measurement applications. Sensor tip can be installed through a traditional tubing compression fitting._cc781905 -5cde-3194-bb3b-136bad5cf58d_Each oxygen sensor can be ordered with or without armored flexible conduit.


BOS3 oxygen range

  • 0 to 300 ppm with 1000 ppm overrange (gas)

BOS1 oxygen range

  • 0.002% to 4.2% (gas)
  • 1ppb to 1.8ppm (liquid)

BOS2 oxygen range

  • 0.21% to 25% (gas)
  • 15ppb to 22ppm (liquid)


The BOS FIBERSENSE is a 4mm rod-style optical oxygen sensor that offers high accuracy in a small package. The small sensing tip can be installed directly into a tube fitting, making it in the ideal option for oxygen measurement in sampling line installations. The tip of a steel fiber optic rod is enclosed stainless steel and can be supplied bare or with optional armored conduit (figures 5 and 6). BOS FIBERSENSE product is commonly used in gas phase sample line installations._cc781905-5cde-3194- bb3b-136bad5cf58d_An external temperature sensor is required for compensation.

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