HP 401C Analog Voltmeter AC DC Volt Meter Bench Test Equipment

HP 401C Analog Voltmeter AC DC Volt Meter Bench Test Equipment

The HP 401C is a reliable analog voltmeter designed for precision measurement of AC and DC voltage in laboratory, service, and field applications. This compact benchtop meter features a clear analog dial face and mechanical movement, making it an essential tool for electrical troubleshooting, circuit testing, and equipment calibration. The straightforward dial interface allows quick voltage readings without the need for batteries or power supply, making it highly portable and dependable for fieldwork.

Specifications & What's Included

• Brand: Hewlett-Packard (HP)
• Model: 401C
• Type: Analog DC/AC Voltmeter
• Measurement Function: AC and DC voltage measurement
• Display: Analog dial with pointer
• Form Factor: Benchtop / portable
• Origin: USA manufacture
• Condition: Used, pulled from working environment

Applications

The HP 401C voltmeter is a classic analog measuring instrument widely used in electronics service, maintenance, and laboratory settings. Analog voltmeters of this type have been industry standards for decades, offering immediate visual feedback of voltage measurements without the complexity of digital displays or battery dependencies. This meter is ideal for bench testing of electronic circuits, troubleshooting power supplies, verifying battery voltage, checking transformer secondary voltages, and general electrical diagnostics. The simple, robust mechanical design makes it a valued tool in service shops, maintenance departments, educational institutions, and amateur electronics work. These meters remain in active use today wherever a straightforward, reliable voltage reference is needed without external power requirements.