Key facts
- Brand
- Agilent
- Model
- 34405A
- Category
- multimeter
- Industry
- Electronics
- Documents
- 3
- Languages
- EN · ZH
- Last added
- 2026-10-21
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Agilent 34405A Multimeter User Manual
The Agilent 34405A multimeter offers 5.5‑digit dual‑display resolution, 120 000 counts, and a full set of 16 built‑in measurement functions including voltage, current, resistance, frequency, temperature and capacitance. It features a USB 2.0 interface that complies with SCPI standards, allowing remote control and data logging via Agilent software.
Designed for rugged benchtop use, the instrument meets IEC/EN safety standards, provides CAT II protection up to 300 V, and includes configurable storage states, math functions, and a fast reading rate of up to 19 measurements per second.
Agilent 34405A specifications
| Resolution | 120,000 counts |
|---|---|
| DC Voltage Accuracy (1 Year) | ±(0.025% of reading + 0.008% of range) |
| DC Current Accuracy (1 Year) | ±(0.05% of reading + 0.015% of range) |
| True-RMS AC Voltage Frequency Range | 20 Hz to 45 Hz (at full scale) |
| Temperature Measurement Range | -80 °C to 150 °C |
| Input Impedance (DC Voltage) | 10 MΩ ± 2% |
Source: Agilent 34405A Benchtop Digital Multimeter Data Sheet
All Agilent 34405A documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Disassembly, diagnostics and part numbers, for repair.
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What is the warm-up time for the Agilent 34405A?
The instrument requires a 30-minute warm-up period to achieve full accuracy.
Does the multimeter include connectivity software?
Yes, it includes Agilent IO Library Suite and DMM Intuilink connectivity software via USB 2.0.
What is the DC voltage accuracy of the 34405A?
The DC voltage accuracy is 0.025 % plus 0.008 % of range.
How fast can the multimeter take readings?
It can acquire up to 19 readings per second at 4.5‑digit resolution.