A blade calibration gauge for a bladeset for a hair cutter has a moving blade laterally reciprocating relative to a stationary blade, where the moving blade and the stationary blade are adjustable relative to one another in a direction normal to a direction of reciprocation. The first monolithic circuit may include a first magnetoresistive sensor operable to sense magnetic flux and produce an output signal relating to the sensed magnetic flux. A network equipment includes an optical time domain reflectometry transmitter and receiver, each operationally connected to a link to transmit and receive, respectively, an OTDR signal.