National - VP-5102B（稀有收藏品） 示波器

Rare collectible item.

The photo does not show the entire frequency waveform, but it is complete.
National (Panasonic) VP-5102B Dual-Channel Oscilloscope
Description

The National VP-5102B is a 10 MHz dual-channel analog oscilloscope manufactured by National (Panasonic / Matsushita, Japan) in the late 1970s and early 1980s. It was designed for electronics laboratories, TV/radio service centers, educational institutions, and repair workshops.

Although modest by today's standards, the VP-5102B is a well-built Japanese oscilloscope that remains useful for servicing vintage Hi-Fi equipment, audio amplifiers, cassette decks, radios, and power supplies.

Main Specifications
Manufacturer: National / Panasonic (Matsushita)
Made in: Japan
Production period: Approximately 1978–1982
Type: Analog CRT oscilloscope
Bandwidth: 10 MHz
Channels: 2 (Dual Trace)
CRT display
AC/DC/GND input coupling
Auto and Normal triggering
External trigger input
Probe calibration output
BNC input connectors
Metal cabinet
Power: 220 V AC

The VP-5102B is suitable for observing repetitive analog waveforms, checking amplifier signals, power supplies, oscillators, and general electronic troubleshooting.

Performance

The VP-5102B is ideal for:

- Audio amplifier repair
- Cassette deck servicing
- Vintage radio restoration
- Analog television servicing
- Power supply troubleshooting
- Educational electronics

For your type of work—repairing vintage audio equipment such as Technics, Kenwood, Grundig, and Sony—a 10 MHz analog oscilloscope is still perfectly adequate for most low-frequency and audio applications.

How Rare Is It?

Collector's Rarity: ★★★★★★★★☆☆ (8/10)

The VP-5102B is considered fairly uncommon because:

It was primarily sold in Japan and selected export markets.
National/Panasonic produced fewer oscilloscopes than brands such as Tektronix, Philips, or Hameg.
Many examples were used professionally and no longer survive in good condition.

While it is not an extremely valuable collector's instrument, it is appreciated by enthusiasts of vintage Japanese test equipment.

National Panasonic VP-5102B Dual-Channel 10 MHz Analog Oscilloscope – Made in Japan

For sale is a National Panasonic VP-5102B, a classic Japanese dual-channel analog oscilloscope designed for professional electronic servicing and laboratory use.

Built by Matsushita (Panasonic), the VP-5102B dual-channel operation, stable triggering, and a 10 MHz bandwidth, making it an excellent instrument for servicing vintage audio equipment, radios, power supplies, and other analog electronic circuits.

Features
Genuine National / Panasonic instrument
Made in Japan
Dual-channel analog oscilloscope
10 MHz bandwidth
Bright CRT display
Auto and Normal trigger modes
AC/DC/GND input coupling
Standard BNC inputs
Probe calibration output
Rugged metal construction

Collector's Rarity

★★★★★★★★☆☆ (8/10)

The National VP-5102B is a well-engineered Japanese oscilloscope from the golden era of analog test equipment. While not as common as equivalent Tektronix or Hameg models, its reliable construction, smooth analog display, and historical significance make it an appealing choice for collectors, electronics enthusiasts, and vintage Hi-Fi restorers.