A condition monitoring device (2) that mounts on a machine. The condition monitoring device (2) includes a base (4), a circuit board (6), at least one sensor (8), and a connector 10. The base (4) is secured on the machine. The circuit board (6) is mechanically connected to the base (4). The at least one sensor (8) is mounted on the circuit board (6). The connector (10) is supported by the base (4) and connects the circuit board (6) to an external power supply (12).