| Brand | HP |
|---|---|
| Frequency Range | 10 MHz |
| Type | Voltmeter |
| Current Type | AC |
| Model | 3400A |
| MPN | 3400A |
| CompatibleBrand | Universal |
| Voltage Range | 300 |
| Country of Origin | United States |
| Display | Analog |
Check the listing for details. HP 3400A RMS Voltmeter [Last H/W Rev SN: 2415A36152] Clean, Tested & Working. Condition: Used, Made in United States. Listed at 235.00 USD. S/N: 2415A36152 (All S/N's below 2415A___ have a nuvistor tube). This is the last hardware update to the HP 3400A. The nuvistor was replaced with a JFET and the neon chopper replaced with an op amp.