Keysight (Agilent)
Keysight (Agilent) 3478A
5.5 Digit Digital Multimeter
DC Voltage, AC Voltage, DC Current, AC Current, 2-Wire Resistance, 4-Wire Resistance, Extended Resistance Measurement Functions
5.5 Digits Resolution
100 mV to 300 V DC Voltage Range
100 mV to 300 V (RMS) AC Voltage Range
100 Ω to 30 MΩ (2-Wire and 4-Wire) Resistance Range

| Attribute | Value |
|---|---|
| Measurement Functions | DC Voltage, AC Voltage, DC Current, AC Current, 2-Wire Resistance, 4-Wire Resistance, Extended Resistance |
| Resolution | 5.5 Digits |
| DC Voltage Range | 100 mV to 300 V |
| AC Voltage Range | 100 mV to 300 V (RMS) |
| Resistance Range | 100 Ω to 30 MΩ (2-Wire and 4-Wire) |
| DC Current Range | 100 mA to 3 A |
| AC Current Range | 100 mA to 3 A (RMS) |
| Interface | HP-IB (IEEE-488 / GPIB) |
| AC Frequency Range | 45 Hz to 20 kHz |
| Power Requirements | 100/120/220/240 VAC, 48 to 66 Hz, 40 VA Maximum |
Keysight Technologies 3478A Options:
- 3478A - 907 - Front Handle Kit (P/N 5061-0088)
- 3478A - 908 - Rack Mount Kit including one rack flange and one extension adapter (P/N 5061-0072)
- 3478A - 910 - Extra Operating and Service Manuals
- 3478A - 315 - 100 volts, 50 Hz
- 3478A - 316 - 100 volts, 60 Hz
- 3478A - 325 - 120 volts, 50 Hz
- 3478A - 326 - 120 volts, 60 Hz
- 3478A - 335 - 220 volts, 50 Hz
- 3478A - 336 - 220 volts, 60 Hz
- 3478A - 345 - 240 volts, 50 Hz
- 3478A - 346 - 240 volts, 60 Hz
| Model | 3478A |
|---|
The Keysight (Agilent) 3478A Digital Multimeter offers 3½ to 5½-digit resolution with full HPIB programmability, making it a cost-effective choice for system integration. It supports DC voltage, True RMS AC voltage, DC and AC current, and both 2-wire and 4-wire resistance measurements with five auto-ranging functions. Its flexibility and accuracy make it ideal for a variety of automated measurement applications.
Compact and reliable, the 3478A is optimized for integration into test systems where dependable digital measurement and programmable control are essential.
Testwall can supply the used Keysight (Agilent) 3478A, fully tested. With expert support and global delivery, Testwall ensures high-performance instrumentation with unmatched reliability and service quality. Please contact us directly if you need calibration or repair of the Keysight (Agilent) 3478A.





