| 摘要 |
A monitoring port assembly for a fluid treatment system, such as for use in an ultra-violet water treatment system. The port assembly comprises a sensor port cup having a port for access to an interior of the fluid treatment vessel. The port is offset from the central axis of the sensor port cup. A cylindrical body, having an offset through-hole to receive a sensor assembly, is disposed within the sensor port cup for rotational movement about the central longitudinal axis between an operational position where the offset through-hole is aligned and coincident with the port, and a servicing position where the offset through-hole is displaced relative to the port. Sensors can be safely and conveniently removed from or installed into a port in the fluid treatment vessel by rotating the cylindrical body from the servicing to the operational position.
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