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SR280
( NIM mainframe & display)
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SR200
(Gate scanner for SR250 & SR255)
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SR235
(Analog math processor)
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SR240
(350 MHz preamplifier)
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SR245
(Computer interface (GPIB & RS-232))
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SR250
(Gated integrator)
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SR255
(100 ps gated integrator)
-
SR272
(Data acquisition software)