Ludlum Measurements, Inc. warrants the products it manufactures to be free of defects due to workmanship, material, and design for a period of twelve months (1 year) from the date of shipment to the purchaser (24 months from the date of shipment for our Model 4525 portal monitors). The calibration of a product is warranted to be within its specified accuracy limits at the time of shipment. In the event of instrument failure, notify Ludlum Measurements, Inc. to determine if repair, recalibration, or replacement is required. Ludlum will notify the customer of the closest repair facility to which the item may be returned. Return to repair facility shipping will be at customer cost. Shipping from the repair facility back to the customer will be at Ludlum’s cost. This warranty excludes replacement of photomultiplier tubes, GM and proportional tubes, and scintillation crystals, which are broken due to excessive physical abuse or used for purposes other than intended. There are no warranties, express or implied, including without limitation any implied warranty or merchantability or fitness, which extend beyond the description of the face thereof. If the product does not perform as warranted herein, purchaser's sole remedy shall be repair or replacement, at the option of Ludlum Measurements, Inc. In no event will Ludlum Measurements be liable for damages, lost revenue, lost wages, or any other incidental or consequential damages arising from the purchase, use, or inability to use product.