Voltcraft - 2040 (20 MHz) Oscilloscope

Rare collectible item.

In the photo you can't catch the whole frequency waveform, but it is complete. It is missing a support leg.

Voltcraft 2040 Analog Oscilloscope (20 MHz)
Description

The Voltcraft 2040 is a professional dual-channel analog oscilloscope introduced in 1984 and sold by Conrad Electronic under its Voltcraft brand. Designed for service technicians, laboratories, schools, and electronics development, it combines robust construction with features that were advanced for its class, including delayed sweep, single sweep, HOLD-OFF control, and a built-in component tester.

Unlike many basic 20 MHz oscilloscopes of the era, the Voltcraft 2040 offered a comprehensive triggering system and a large CRT display, making it suitable for professional servicing of audio, television, and industrial electronics.

Main Specifications
Manufacturer: Voltcraft (Conrad Electronic)
Year introduced: 1984
Type: Dual-channel analog CRT oscilloscope
Bandwidth: DC to 20 MHz (-3 dB)
Channels: 2
Maximum sweep speed: 10 ns/div
Vertical sensitivity: 5 mV/div to 5 V/div
Time base: 0.1 µs/div to 0.2 s/div
Delayed sweep: Yes
Single sweep: Yes
XY mode: Yes
Trigger modes: Auto, Normal, TV and external triggering
Component tester: Built-in (8.6 V / 20 mA / 50 Hz)
CRT: 140 mm rectangular tube with internal graticule
Calibration output: 1 kHz / 0.2 V
Power: 110/125/220/240 V AC
Dimensions: 310 × 160 × 400 mm
Weight: Approximately 9 kg

Performance

The Voltcraft 2040 is well suited for:

Vintage Hi-Fi amplifier repair
Cassette deck servicing
Power supply diagnostics
Analog television and radio servicing
Educational laboratories
General electronics development

For audio restoration work, including vintage Technics, Kenwood, Sony, Grundig, and Pioneer equipment, a 20 MHz analog oscilloscope is more than adequate for observing audio signals, distortion, oscillation, and power supply ripple.

How Rare Is It?

Collector's Rarity: ★★★★★★★★☆☆ (8.5/10)

The Voltcraft 2040 is considered quite uncommon because:

It was sold mainly through Conrad Electronic in Europe.
Production numbers were much lower than comparable Hameg, Philips, or Tektronix models.
Many units spent decades in repair workshops and educational laboratories.
Examples with manuals, and a bright CRT are increasingly difficult to find.

Collectors appreciate it as one of the better-equipped European service oscilloscopes of the mid-1980s.

Voltcraft 2040 Professional Dual-Channel 20 MHz Analog Oscilloscope

For sale is a Voltcraft 2040, a professional 20 MHz dual-channel analog oscilloscope introduced in 1984 and distributed by Conrad Electronic.

Designed for laboratories, service centers, and electronics professionals, the Voltcraft 2040 offers advanced features including delayed sweep, single sweep, XY mode, a comprehensive triggering system, and a built-in component tester. Its large 140 mm CRT provides a bright and sharp waveform display, making it an excellent instrument for troubleshooting analog circuits and restoring vintage electronic equipment.

Features
Professional dual-channel analog oscilloscope
20 MHz bandwidth
10 ns/div maximum sweep speed
Delayed sweep and single sweep modes
XY display mode
Auto, Normal, TV, and external triggering
Built-in component tester
140 mm CRT with internal graticule
Calibration output
Rugged metal construction

Collector's Rarity

★★★★★★★★☆☆ (8.5/10)

The Voltcraft 2040 is an increasingly desirable European analog oscilloscope. Its advanced feature set, solid German-market heritage, and relatively limited production make it attractive to collectors, electronics enthusiasts, and vintage Hi-Fi repair technicians. Complete, examples with documentation are becoming progressively harder to find.