Kikusui cos5020

The Kikusui COS5020 is a dual-channel analog oscilloscope delivering 20 MHz bandwidth for electronic testing, measurement, and field service applications. This compact, aluminum diecast instrument combines lightweight construction with solid performance, incorporating a 6-inch CRT display with red internal graticule and 2.2 kV acceleration voltage for sharp trace definition at high sweep speeds. Purpose-built for laboratories, production environments, and educational settings, the COS5020 prioritizes operational efficiency through intuitive lever switches and push-button controls arranged for rapid access to frequently adjusted parameters.

Technical Specifications

Bandwidth: DC to 20 MHz (−3 dB)

Channels: Dual

Vertical Sensitivity: 1 mV/DIV maximum

Sweep Time: 20 nsec/DIV maximum

CRT Display: 6-inch rectangular tube with red internal graticule

CRT Acceleration Voltage: 2.2 kV

Trigger Sensitivity: Satisfies minimum +0.5 DIV (0.05 V) for 20:80 duty cycle, 50 Hz to 20 MHz repetition frequency

Power Requirements: 90 / 250 V

Weight: 6.80 kg (15.00 lbs)

Key Features

Trigger Level Lock function simplifies adjustment across regular, video, and large duty cycle signals

TV sync triggering with automatic V/H switching synchronized to TIME/DIV control

NORM and SINGLE trigger modes with READY state indication and resettable one-shot sweep

Linear focus maintained automatically independent of intensity setting

Temperature compensation circuit minimizes baseline drift and DC balance disturbance

High stability performance sustained across operating conditions

Typical Applications

Electronic testing and measurement

Research and development

Production line verification

Maintenance and field service

Educational laboratory use

Compatibility & Integration The COS5020 operates as a standalone instrument and accepts standard oscilloscope probes and test leads. Accessory specifications are detailed in the product operation manual.