* Order-related order *, Annual inspection PLUS for WireXpert 4500 WireXpert 4500 PROIncludes the complete inspection of the measuring device, the measuring accessories sent with it and a traceable factory calibration. (Order number 229703) For new devices with a sales date from January 1st, 2020, includes the inspection PLUS for annual , timely inspection, an additional extension of the warranty for a further 12 months. The warranty for new devices can therefore be extended to 36 months through regular inspections (1).