PerkinElmer Spotlight 150, User Manual

Page: 83 / 107

Techniques for Collecting Spectra . 83
Auto ATR Cleaning Procedure
If you should see intermittent failures to raise or lower the crystal while running, it is
recommended you clean your Auto ATR Accessory to keep it in good working order.
Regardless of performance we recommend you clean the accessory at least once every
10,000 cycles or per the schedule below:
• Heavy User (25,000 cycles per year) – Every 4-5 months
• Medium User (15,000 cycles per year) – Every 8 months
• Light User (5,000 cycles per year) – Every 12 Months
Materials Needed
Methanol in a squirt bottle Small Foam Head Swab
(Recommend VWR P/N 89022-992 )
• Kimwipes or similar low lint cleaning wipes
Cleaning Procedure
1. If not already done, use Spectrum 10 to raise the crystal into the assembly.
2. Disconnect the motor wire from the left side of the transceiver board.
3. Lower the sample stage, loosen the thumb screws, and carefully pull Auto ATR
accessory from Spotlight microscope to remove it from the sample area.