POLICY STATEMENT
Subject: Detector Warranty - M500 I.R. Spectrophotometer
Dear Colleague:
Buck Scientific's M500 Infra-red Spectrophotometer employs an FTIR-type DLATGS detector that is
exceptionally durable. When used in the proper environment, this detector will function for an
indefinite period of time. However, the standard detector employs a KBr window that is susceptible to
moisture. If the M500 was operated in an environment of greater than 70 % humidity, the window
would melt causing detector failure. Because it is not always possible to run the M500 in a controlled
laboratory climate, we have supplied all the M500s with a KRS-5 window on the detector. This
detector is slightly noisier than one with a KBr window, but is non-hygroscopic and will not be
damaged by moisture.
If a detector is faulty for any reason other than a damaged window, it will be covered under warranty
for one year from the ship date. We do, however, have very tight Quality Control for the M500 to
prevent units from shipping with a bad detector. All failed detectors should be sent back to Buck
Scientific for our inspection.
Thank you for your support.
Best Regards,
Buck Scientific, Inc.
R. Derek Hodgeman
I.R. Product Manager
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