TiltScout intrinsically safe, wireless inclinometer monitors and reports the status of a tank hatch or oil pump jack. A builtin, three-axis sensor detects and monitors the change in angle (movement) and wirelessly reports events to a central gateway offering Modbus or digital alarming. The sensor mounts with a magnet or bracket, has a 900 mHz radio for long-range data transmissions (up to ½ mile), and uses a five-year battery replaceable under power Class I, Div. 1 hazardous areas.