The DeFelsko PosiTector 6000 Cabled High-Range Probe Only is ideal for thick protective coatings such as epoxy, rubber, concrete liners, intumescent fireproofing and more. Certificate of Calibration (Long Form) traceable to NIST or PTB included with every probe. This probe features a heavy-duty, gold-plated locking connector for industrial environments. Probe retains its own unique calibration information (allowing full probe interchangeability).