If the instrument does not turn on, try using a different outlet or a power strip. Before diving into specific problems, it's important to remember that many errors can be prevented by following a few fundamental best practices. Consistent, careful technique is the key to reliable data. Allow for Warm-Up: Always turn on your spectrophotometer and let its lamps warm up for at. Most spectrometer problems stem from three things: incorrect calibration, poor sample prep, or hardware wear. Please plug the PS-2600 or PS-2600A into a dedicated power source (cell phone charger), and press the recessed, reset button on the end of the spectrometer. You will need to use. We have a 7890A GC fitted with a 5977 MSD. Opened. If your spectrometer isn't calibrating or is showing unusually noisy or high absorbance values (often above 3 or blank), the issue may be due to insufficient light reaching the detector.
