This document introduces the features and characteristics of the Agilent 8648 model instrument product, including product name, model, contact information, etc.
This Service Manual covers the HP/Agilent 4278A capacitance meter. It includes sections on adjustments to meet specifications, option installation/modification, a list of replaceable assemblies, and assembly‑level troubleshooting. The manual must be used together with the Operation Manual for full service information.
Safety precautions are emphasized throughout, requiring qualified personnel, grounding, and disconnection of power before any internal work. Contact information for Agilent sales and service offices worldwide is provided at the end of the document.
| Frequency range | 1 kHz – 1 MHz |
|---|---|
| Serial number prefix | 2713J |
| Firmware version | 2.00 |
| Agilent part number | 04278-90100 |
Only qualified maintenance personnel who have received service training may perform adjustments.
Power must be disconnected and circuits discharged before any internal work is performed.