Description
HP 3478 Multimeter Service Manual Operating & Service Guide
This is an original Hewlett-Packard service and operating manual for the HP 3478 digital multimeter, a classic benchtop test instrument widely used in electronics labs, service centers, and technical facilities. The HP 3478 is a precision 5.5-digit multimeter designed for accurate measurement of voltage, current, resistance, and other electrical parameters. This manual contains the complete technical documentation required for operation, maintenance, troubleshooting, and repair of the instrument.
Specifications & What's Included
- Manufacturer: Hewlett-Packard
- Instrument Model: 3478 Multimeter
- Document Type: Service Manual & Operating Instructions
- Format: Printed technical documentation
- Condition: Used, all pages present and legible
- Contents: Operating procedures, specifications, block diagrams, schematic diagrams, calibration instructions, troubleshooting guide, replacement parts information
- Physical Condition: Normal shelf and handling wear on cover and edges; interior pages clean and clear
- Suitable for: Repair technicians, field service, maintenance reference, equipment diagnostics
Applications
The HP 3478 multimeter was a standard bench instrument in electronics test laboratories, equipment service facilities, and technical maintenance departments from the 1970s through the 1990s and beyond. This manual is essential documentation for anyone servicing, calibrating, or troubleshooting the instrument. The HP 3478 measures DC and AC voltage, DC and AC current, resistance, and has provisions for additional measurement capabilities. It was widely deployed in industrial test environments, educational institutions, and field service operations. This original HP service manual is the authoritative technical reference for understanding the instrument's operation, interpreting measurement ranges and accuracy specifications, performing internal maintenance and calibration, and diagnosing faults. Original HP documentation of this type is increasingly difficult to locate and is invaluable for restoring, maintaining, or understanding the capabilities of the 3478 multimeter.
This HP 3478 Multimeter Service Manual is in good used condition. The manual is complete with all pages present and legible. The document shows normal wear consistent with age and storage, with some light marking and handling wear on the cover and edges. All technical content and schematic diagrams are clear and readable. This is an original HP service document suitable for repair, troubleshooting, and maintenance reference. Please view our photo set and contact us if you have any questions. Please note: We have multiple units in stock — yours may not be the one shown in the photos, however, it will be similar in condition and function.
Warranty Information
Additional Information
Brand: |
Hewlett-Packard |
Model: |
3478 |
Type: |
Service & Operating Manual |
Document Type: |
Service Manual, Operating Instructions |
Equipment Type: |
Digital Multimeter |
Compatible Equipment: |
HP 3478 Multimeter, HP 3478A |
Condition: |
Used – Good Condition |
SKU: |
37873 |
Country/Region of Manufacture: |
United States |
Seller Notes: |
Complete original HP service documentation for the 3478 multimeter |
Review Status: |
Auto-Approved (needs review) 2026-07-09 |
Condition Notes: |
HP 3478 Service Manual, used condition, all pages present and legible, complete technical documentation, normal wear, suitable for reference and repair. |