Split sensor and housing assembly for flexible wall

1. A sensor and housing assembly 100 for a single-use bioreactor system, comprising a device for operatively associating a sensor with a flexible wall, the device comprising:

an internal housing portion 130 removable and variably positionable on an internal surface of the flexible wall 112 , the internal housing portion 130 comprising:

an internal portion of a chemical detector sensor sealably embedded in a detector sensor housing 132 , and

at least one portion of an internal magnetic material 136 , 138 positioned within the internal housing portion 130 for variably positioning and removing the internal housing portion 130 on the internal surface of the flexible wall 112 ; and

an external housing portion 140 positioned on an external surface of a support structure 110 adjacent to the external surface of the flexible wall 114 , the external housing portion 140 comprising:

an external portion of an activator sensor sealably embedded in an activator sensor housing 142 ; and

at least one portion of an external magnetic material 146 , 148 positioned within the external housing portion 140 or adjacent thereto for holding the detector sensor 132 proximate and aligned to activator sensor 142 , and for variably positioning the internal housing portion 130 on the internal surface of the flexible wall 112 by magnetic interaction between the at least one portion of the external magnetic material 146 , 148 and the at least one portion of the internal magnetic material 136 , 138 within the internal housing portion 130 .

2. The sensor and housing assembly of claim 1 , wherein the external housing portion 140 is removable and variably positionable on the external surface of the support structure 110 .

3. The sensor and housing assembly of claim 1 , wherein the external housing portion 140 is positionable on an external surface of a support structure comprising a steel vessel.

4. The sensor and housing assembly of claim 1 , wherein at least one of the internal magnetic material and the external magnetic material comprises a ferro-magnetic material.

5. The sensor and housing assembly of claim 1 , wherein the sensor is an optical chemical sensor.

6. The optical sensor of claim 5 , wherein the sensor is an oxygen sensor.

7. The sensor and housing assembly of claim 1 , wherein the sensor is a pH sensor.

8. A sensor and housing assembly 400 for a single-use bioreactor system, comprising a device for operatively associating a sensor with a flexible wall, the device comprising:

an internal housing portion 430 removable and variably positionable on an internal surface of the flexible wall 412 , the internal housing portion 430 comprising:

an internal portion of a chemical detector sensor sealably embedded in a detector sensor housing 432 , and

at least one portion of an internal magnetic material 436 , 438 , positioned within the internal housing portion 430 for variably positioning and removing the internal housing portion 430 on the internal surface of the flexible wall 412 ; and

an external housing portion 440 positioned on the external surface of the flexible wall 414 , the external housing portion 440 comprising:

an external portion of an activator sensor sealably embedded in an activator sensor housing 442 ; and

at least one portion of an external magnetic material 446 , 448 , positioned within the external housing portion 440 or adjacent thereto for holding the detector sensor 432 proximate and aligned to the activator sensor 442 , and for variably positioning the internal housing portion 430 on the internal surface of the flexible wall 412 by magnetic interaction between the at least one portion of the external magnetic material 446 , 448 , and the at least one portion of the internal magnetic material 436 , 438 within the internal housing portion 430 .