i
TABLE OF CONTENTS
I. INTRODUCTION AND SPECIFICATIONS
I-A. Introduction . . . . . . . . . . . . . . . 1-1
I-B. Definition of Terms . . . . . . . . . . . 1-2
I-C. Specifications . . . . . . . . . . . . . . 1-2
II. OPERATING INSTRUCTIONS
II-A. Getting Acquainted . . . . . . . . . . . . 2-1
II-B. Control Functions and Operations . . . . . 2-1
II-C. Test Functions . . . . . . . . . . . . . . 2-2
III. FIELD MEASUREMENTS
III-A. Data Collection . . . . . . . . . . . . . 3-1
III-B. Manual Analysis of Data . . . . . . . . . 3-4
III-C. Computer Aided Analysis of Data . . . . . 3-11
III-D. Vertical Wall Measurements . . . . . . . . 3-12
IV. SENSITIVITY DATA ................. 4-1
V. PERIODIC MAINTENANCE
V-A. Battery Charging . . . . . . . . . . . . . 5-1
V-B. Cleaning ................. 5-1
V-C. Internal Condensation . . . . . . . . . . 5-1
V-D. Gauge Disassembly . . . . . . . . . . . . 5-2
V-E. Leak Test Procedure . . . . . . . . . . . 5-2
VI. SERVICE
VI-A. Equipment Required . . . . . . . . . . . . 6-1
VI-B. Gauge Electronics . . . . . . . . . . . . 6-2
VI-C. Statistical Stability . . . . . . . . . . 6-5
VI-D. Troubleshooting Hints . . . . . . . . . . 6-7
VI-E. Service Centers . . . . . . . . . . . . . 6-8
VII. PARTS LIST
VII-A. Replacement Parts . . . . . . . . . . . . 7-1
VII-B. Accessories . . . . . . . . . . . . . . . 7-1
VIII. THEORY OF MEASUREMENT
VIII-A. Neutron Radiation and Matter . . . . . . . 8-1
VIII-B. Moisture Geometry . . . . . . . . . . . . 8-3
IX. FACTORY CALIBRATION
IX-A. Moisture Calibration . . . . . . . . . . . 9-1
IX-B. Moisture Performance Parameters . . . . . 9-2
X. RADIATION THEORY AND SAFETY
X-A. Radiation Theory . . . . . . . . . . . . . 10-1
X-A-1. Atomic Structure . . . . . . . . . . . . . 10-1
X-A-2. Radiation Theory . . . . . . . . . . . . . 10-2
X-A-3. Radiation Terminology . . . . . . . . . . 10-2
X-B-1. Radiation Statistics . . . . . . . . . . . 10-2
X-B. Radiation Safety . . . . . . . . . . . . . 10-3
X-B-1. Types of Radiation . . . . . . . . . . . . 10-3
X-B-2. Limiting Exposure . . . . . . . . . . . . 10-4
X-B-4. Monitoring Radiation . . . . . . . . . . . 10-5
