3M 900AST - Manual
This User Manual covers the 3M Advanced Systems Tester 900AST Series, a specialized device designed for coaxial wire testing using Time Domain Reflectometry (TDR). The manual addresses essential operational aspects, including setup procedures such as battery installation and front-panel control configurations, alongside detailed guidance on navigating keypad functions–such as contrast adjustment, backlighting, and TDR measurement modes. It also emphasizes safety protocols, fault diagnosis techniques for coaxial cables (e.g., shorts, opens, resistance faults), and interpreting test results through trace analysis to identify conductor issues or circuit anomalies.
Table of Contents:
- Page 1 – Product Identification and Support Information
- Page 2 – Initial Setup and Component Identification
- Page 3 – Keypad Layout and Control Functions
- Page 4 – Display Settings and Function Key Operations
- Page 5 – Safety Procedures and Test Lead Connection
- Page 6 – TDR Configuration and Velocity Factor Adjustment
- Page 7 – Time Domain Reflectometry Test Modes
- Page 8 – Dual Trace and Memory Mode Operations
- Page 9 – Peak Mode Operation and Trace Comparison
- Page 10 – TDR Display Controls and Data Saving
- Page 11 – Test Result Saving and Event Recognition
- Page 12 – Interpreting TDR Test Results
- Page 13 – Coaxial Cable Fault Identification Methods
- Page 14 – Soak Test and Auto TDR Application
- Page 15 – Auto TDR and Resistance Fault Location
- Page 16 – Anomaly Interpretation and Post-Test Procedures
- Page 17 – Legal, Warranty, and Contact Information
Advanced Systems
Tester 900AST Series
Coaxial Wire Testing
Technical Tip
December 2005
78-8135-6156-6-A
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About this manual
- Brand
- 3M
- Model
- 900AST
- Document type
- Manual
- Language(s)
- English
- Pages
- 17
- File size
- 919.2 KB
- Format
Summary
Cover information, welcome screen graphic, and technical tips for the coaxial wire testing device.
Instructions for setting up the device, battery requirements, front panel components, installing batteries, and using test leads and function controls.
Description of the keypad layout, including twelve Control Keys and nine Function Keys, detailing specific functions for navigation, saving traces, power control, and menu access.
