Abstract: A sensor and monitoring system for performing work upon an inner diameter of a machined workpiece, such as a pipe turned by a lathe, with the work being viewed and/or recorded remotely. The system includes a sensing device having an elongated rod, at least one sensor mounted to a first end of the rod, and a power supply and a transceiver mounted to a second end of the rod, the sensor being positioned within the bore of the workpiece for performing work upon the inner diameter and the transceiver and power supply positioned external to the bore. A controller device is wirelessly connected to the transceiver for wirelessly receiving and sending communication signals to and from the sensor via the transceiver. The sensor may of various types, such as a linear touch probe, a distance sensing laser, a temperature, vibration, gas, noise, or ultrasonic sensor, or a camera.