Tektronix TAS 250 two channel Oscilloscope
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The Tektronix TAS 250 is a very high quality high-tech lab Instrument. It was purchased in excellent working condition. I bought it from Electronix Servicing Brooklyn Park MN in 2015.
Gary showed me the test results while comparing this unit to a $3000 scope and this unit is spot on. Comes with 3 probes and some paper work. I found the missing knob after taking the photos.
While lacking a delayed sweep, the digital cursor and readout make photographic documentation of lab results very convenient. Excellent value in a lab instrument. I have used it very little, just to work on some vintage Sansui, Marantz and Pioneer stereos.
The Tektronix TAS 250 dual channel oscilloscope operates from DC to 50 MHz. It features a maximum sensitivity of 1 mV/division and a maximum sweep speed of 10 ns/division. In addition, the TAS 250 offers the following features: High beam transmission and high intensity CRT displays for clear waveforms at high sweep speeds. High stability low-drift temperature compensation circuits to reduce baseline and DC balance drift. A trigger feature, Set to 50%, that eliminates triggering adjustments when displaying regular, video, and large duty-cycle-ratio signals. Synchronization separator and trigger circuitry that permits the display of TV signals. Automatic focus (following an initial intensity adjustment). Dimensions with stand fully extended 13"X16"X12"