Key facts
- Brand
- Keysight
- Model
- 34401A
- Category
- multimeter
- Industry
- Electronics
- Documents
- 2
- Languages
- EN · ZH
- Last added
- 2026-10-14
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Keysight 34401A 6½ Digit Multimeter User's Guide
The document serves as a comprehensive user's guide for the Keysight 34401A Digital Multimeter. It outlines essential safety notices regarding power connections, fuse replacement, and protection limits to prevent instrument damage or personal injury.
The manual details operational procedures including the use of front and rear terminals, specific measurement categories (IEC Category II), and compatibility with the Keysight 34138A Test Lead Set. It also covers maintenance requirements for test leads and warranty information.
Keysight 34401A specifications
| Resolution | 5½ digits (34450A), 6½ digits (other models) |
|---|---|
| DCV Accuracy | 150 ppm (34450A), 75 ppm (34460A), 35 ppm (34461A, 34401A), 30 ppm (34410A/34411A) |
| Maximum Reading Rate | 190 readings/s (34450A), 300 readings/s (34460A), 1000 readings/s (34461A, 34401A) |
| Display Type | OLED (34450A), Color graphic (34460A/34461A), Vacuum fluorescent (34401A, 34410A/34411A) |
| Interface Options | USB (all models), LAN/LXI (34460A), GPIB optional (34460A, 34461A) |
Source: Keysight 34450A, 34460A, 34461A, 34401A, 34410A, 34411A Digital Multimeter Product Leaflet
All Keysight 34401A documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What is the protection limit for the sense terminals?
The protection limit for all sense terminal pairings is 200 Vpk.
Can the 34410A/34411A models record high‑speed data?
Yes, they support up to 50 k readings per second with optional memory accessories.
From: Keysight 34450A, 34460A, 34461A, 34401A, 34410A, 34411A Digital Multimeter Product Leaflet