Tektronix 7B92 Dual Time Base.

This model is for use with a 7000 series oscilloscope. It has four display modes, main delay and external triggering, and trace separation control.
Specifications:
– Triggering to 500 MHz
– 0.5ns to 0.2s Time base
– Single sweep operation

***MPN 7B92
***OEM Tektronix, Inc (TEK)
***SKU*** KM116