Description
Product Overview
Keysight positions the 34420A as a nanovolt/microohmmeter for electrical maintenance and troubleshooting. It is part of the 34420A Micro-Ohm Meter and Nanovoltmeter. Model-specific evidence confirms display resolution: 7½ digits, 1 year basic DC voltage accuracy: 30 ppm, DC voltage sensitivity: 100 pV, resistance sensitivity: 100 nΩ, and maximum reading speed: 250 readings/s, supporting engineering work such as production and bench measurements and laboratory voltage, current, and resistance testing. Exact options, interfaces, accessories, calibration scope, and regional availability depend on the ordered configuration and should be confirmed before purchase. Keysight identifies this model as discontinued or obsolete. No direct replacement is stated in the checked official sources.
Key Features
- Display resolution: 7½ digits.
- 1 year basic DC voltage accuracy: 30 ppm.
- DC voltage sensitivity: 100 pV.
- Resistance sensitivity: 100 nΩ.
- Maximum reading speed: 250 readings/s.
- Internal storage: 1,024 readings.
Technical Specifications
| display resolution | 7½ digits |
|---|---|
| 1 year basic DC voltage accuracy | 30 ppm |
| DC voltage sensitivity | 100 pV |
| Resistance sensitivity | 100 nΩ |
| Maximum reading speed | 250 readings/s |
| internal storage | 1,024 readings |
| Input channel | 2 (built-in low-noise scanning) |
| Communication interface | GPIB, RS-232 |
| Safety Measurement Category | CAT None |
Typical Applications
- Electrical maintenance and troubleshooting
- Production and bench measurements
- Laboratory voltage, current, and resistance testing
Selection Notes
The first configuration checks for the Keysight 34420A are display resolution (7½ digits) and 1 year basic DC voltage accuracy (30 ppm). For a complete selection, compare resolution, basic accuracy, reading rate, measurement functions, input protection, and remote interfaces. Confirm regional availability, calibration scope, included items, and delivery requirements before ordering.
Frequently Asked Questions
What is the Keysight 34420A?
The Keysight 34420A is a nanovolt/microohmmeter intended for professional test and measurement applications.
What are key specifications of the 34420A?
Key verified specifications include display resolution: 7½ digits and 1 year basic DC voltage accuracy: 30 ppm. Review the full table for model-specific details.
How should I specify the Keysight 34420A for quotation?
State the measurement requirement, selected options, quantity, destination, and calibration or accessory needs. Hoyu Instruments will use those details to confirm the configuration before quoting.
