Handykit - MK - 620 Oscilloscope

The Handykit MK-620 is a classic analog 20 MHz two-channel oscilloscope. This type of device, often produced under various brand names such as Hung Chang or Matrix, is a standard instrument for general electronics repair and educational purposes.

Technical Specifications :

Bandwidth: DC to 20 MHz (-3 dB).
Channels: 2 channels (CH A and CH B on this model) for viewing two signals simultaneously.
Vertical sensitivity: adjustable from 5 mV/div to 20 V/div in 10 steps.
Time base: ranges from 0.2 µs/div to 0.5 s/div over 20 calibrated steps.
Maximum input voltage: Approximately 300 V (DC + AC peak).
Weight: Approximately 7 to 8 kg.

Key Features :

Operating modes: Supports CH-A, CH-B, DUAL (both channels) and ADD (signals added together).
Component Tester: A notable feature of the MK-620 is the built-in Component Tester (visible at the bottom left of the photo with the red plugs), which lets you test the characteristics of components such as diodes and transistors.
X-Y Mode: Ability to use channel B as the horizontal axis, handy for phase measurements.
Triggering: Advanced trigger options including TV Video Sync (for stable display of video signals) and an Auto-sweep function via the Level knob.
5x Magnifier: The horizontal position knob can be pulled out (PULL 5X MAG) to magnify the timebase by a factor of 5.

This unit needs calibration and maintenance.
The buyer is aware of this and has knowledge of its operation.