- Tektronix 422- Manufacturer: Tektronix
 - Tektronix 422 Details Tektronix 422 Bandwidth: 15 Mhz Channels: 2 The 422 Oscilloscope is a portable, dual trace unit with DC to 15MHz response and 10 mV/div to 20 V/div sensitivity. 1 Mohm input impedance. 0.5 ... Lake Mary, FL
 - Tektronix 422- Manufacturer: Tektronix
- Model: 422
- Channels number: 2 сhannels
 - This Portable Oscilloscope is a very well built and highly useful tool. It is a dual trace unit with DC to 15MHz response and 0.5µs to 0.5µs/div timebase plus X10 magnifier. Webster, MA

