Extrel Quad Entrance Exit Controller For Spectrometry Used

Used, in good condition with a slight bend on top and some minor scuffs and scratches from normal use. All the knobs and switches work flawlessly. We used an Extrel DC power supply to power it up and the display was great.

However when we hooked up the AC power cord we got nothing. This is probably due to user error as we have no idea how to use or test this equipment. The power on light did not light up but the display did when we had power supply hooked to it.

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