The 1991 is a 160 MHz universal timer/counter. Includes option 55: GPIB interface.
Quality Control Information About This Instrument
As part of Techrecovery’s inbound quality control procedure, this instrument was calibrated by an accredited independent calibration lab to NIST traceable
standards. The instrument was found to be within all OEM specifications. This instrument has been stored in our climate controlled warehouse and is
guaranteed to perform according to original OEM specifications when purchased and throughout the warranty period. Should you require, a fresh calibration with certificate with one or two year time interval can be purchased for an additional charge.
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