Intrinsically-safe handheld field maintenance tool with image and/or sound capture

An intrinsically-safe camera module for use with an intrinsically-safe handheld field maintenance tool, the intrinsically-safe camera module comprising:

• a power source;
• an image acquisition system coupled to the power source and configured to obtain at least one image relative to a field device;
• and
• a wireless communication module coupled to the controller and configured to convey the at least one image relative to the field device to the handheld field maintenance tool.

A method of field maintenance using a handheld field maintenance tool, the method comprising:

• acquiring at least one as-found image relative to a field device;
• coupling the handheld field maintenance tool to the field device and performing at least one maintenance function on the field device;
• and
• acquiring at least one as-left image relative to the field device after completion of the at least one maintenance function.