Surface Moisture-Density Gauge - Troxler Labs

1 Manual of Operation and Instruction Model 3430 (and Model 3430-M) Surface Moisture-Density Gauge Troxler Electronic Laboratories, Inc. 3008 Cornwallis Rd. Box 12057 Research Triangle Park, NC 27709 Phone: Outside the USA: + Fax: + ii The Troxler Model 3430 Surface Moisture-Density Gauge is protected by and Foreign Patents Copyright 1990 2006 Troxler Electronic Laboratories, Inc. All Rights Reserved No part of this manual may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, or information storage and retrieval systems, for any purpose without the express written permission of Troxler Electronic Laboratories, Inc.

2 Fantastic is a trademark of Dow Consumer Products, Inc. Federal Express is a registered trademark of the Federal Express Corporation. 409 is a trademark of the Clorox Company. Magnalube-G is a registered trademark of Carleton-Stuart Corporation. WD-40 is a registered trademark of the WD-40 Company. PN 105305 December 2006 Edition Model 3430 iii Troxler SERVICE CENTERS Troxler Corporate Headquarters 3008 Cornwallis Road Box 12057 Research Triangle Park, NC 27709 Phone: ( ) Outside the : + Fax: + Web: Technical Support Phone: ( ) E-mail: Midwestern Branch Office 1430 Brook Drive Downers Grove, IL 60515 Fax: Western Regional Branch Office 11300 Sanders Drive, Suite 7 Rancho Cordova, CA 95742 Fax: Southwestern Branch Office 2016 East Randol Mill Road Suite 406 Arlington, TX 76011 Fax: Florida Service Center 2376 Forsyth Road Orlando, FL 32807 Fax: Troxler European Subsidiary Troxler Electronics GmbH Gilchinger Strasse 33 Alling nr.

3 Munich, Germany Phone: ++ Fax: ++ E-mail: NOTE To locate an independent, Troxler -authorized service center near you, call ( ). CAUTIONS AND WARNINGS Units intended for use in countries that are members of the European Community are shipped with a CE-approved AC adapter, Troxler bin number 108354. Gauge cover is to be removed by trained service personnel only. There are no user-serviceable components inside. Note that components behind the cover can have voltage potentials in excess of 50 volts during normal operation of the Gauge . Appendix A, Radiation Theory and Safety should be read carefully and understood before using the Gauge . iv See page C-8, Alkaline Battery Use. The source rod should automatically retract to the SAFE position when the Gauge is lifted by the handle.

4 See page C-12, Tungsten Sliding Block. Model 3430 v EU DECLARATION OF CONFORMITY Application of Council EMC Directive 89/336/EEC and Low Voltage Directive 73/23/EEC Standards to which Conformity is Declared: EN 61010-1 EN 55011 Group 1, Class A EN 50082-2 An EMC Technical Report/Certificate has been issued in accordance with Part IV (Reg 50) of the UK Regulations (SI 1992 No. 2372) by a UK appointed Competent Body, namely, Interference Technology International Limited 41-42 Shrivenham, Hundred Business Park Shrivenham, Swindon, Wiltshire SN6 8TZ Certificate Number Dated 16th January 1997 Troxler Document Number 108205 Manufacturer: Troxler Electronic Laboratories, Inc. PO Box 12057 3008 Cornwallis Road Research Triangle Park, North Carolina 27709 USA Apparatus: Model 3430 Surface Moisture-Density Gauge Year of Declaration: 1997 (Original) 2006 (Corrected) vi HOW TO USE THIS MANUAL Congratulations on the purchase of the Troxler Model 3430 Surface Moisture-Density Gauge .

5 The Model 3430 Manual of Operation and Instruction contains information on how the Model 3430 operates, and provides directions on the use of this Gauge . Site selection, basic parameter setup, moisture and density determination, storage, and advanced operations are included, along with radiological information and system troubleshooting. GUIDE TO SYMBOLS AND FORMATTING Throughout this manual, symbols and special formatting are used to reveal the purpose of the text as follows: CAUTION Indicates conditions or procedures that, if not followed correctly, may cause personal injury or equipment damage. NOTE Indicates important information that must be read to ensure proper operation. Diamonds indicate a list of things needed (such as equipment) or things to know.

6 Check marks indicate the performance of an action. With lists of check marks, follow the instructions in the order of the check marks. f Triangles indicate that more than one option is available. Carefully select the option that applies. KEY Angle brackets and a different typestyle indicate a key or character (number or letter) to press on the control unit keypad. For example, Press STD means to press the key labeled STD. DISPLAY A different typestyle is also used to indicate text displayed on the control unit. Model 3430 vii TABLE OF CONTENTS CHAPTER 1. INTRODUCTION TO THE MODEL 3430 1-2 Gauge Parts and Accessories .. 1-4 Unpacking and Inspection .. 1-6 Storage Site Selection .. 1-7 CHAPTER 2.

7 THEORY OF OPERATION density .. 2-2 moisture .. 2-5 CHAPTER 3. OPERATING THE Gauge The 3-2 Source Rod Positions .. 3-4 Daily 3-5 Turning the Gauge On .. 3-6 Gauge Parameter 3-7 Taking the Standard Count .. 3-10 Site Preparation/ Gauge Positioning .. 3-12 Taking a Measurement Soil 3-15 Taking a Measurement Asphalt 3-17 CHAPTER 4. ADVANCED Gauge OPERATION 4-2 Special Calibrations .. 4-7 Thin Layer Measurements .. 4-11 CHAPTER 5. SPECIAL FUNCTIONS Recall .. 5-2 Offset .. 5-2 Stat Test .. 5-2 Drift 5-5 Special 5-7 Specific Gravity .. 5-7 Voidless density .. 5-8 Set 5-8 Calibration 5-9 Memory 5-10 Test Reading .. 5-10 5-11 viii TABLE OF CONTENTS (Continued) APPENDIX A. RADIOLOGICAL INFORMATION Radiation Theory.

8 A-2 Radiation Safety ..A-5 APPENDIX B. SPECIFICATIONS Measurement ..B-2 Radiological ..B-4 Mechanical ..B-6 APPENDIX C. TROUBLESHOOTING AND SERVICE Battery Charging ..C-8 Mechanical Leak Testing ..C-15 Replacement Parts ..C-16 Returning the Gauge for Service ..C-26 Troxler Service APPENDIX D. TRANSPORTATION AND SHIPPING Canadian Shipping Requirements ..D-4 APPENDIX E. STANDARD COUNT LOG APPENDIX F. UNIT CONVERSION Measurement F-2 Radiological Units .. F-2 INDEX WARRANTY Model 3430 ix LIST OF FIGURES Figure Title Page 1-1 Model 3430 Gauge and Accessories .. 1-5 2-1 Direct Transmission Geometry .. 2-3 2-2 Backscatter Geometry.

9 2-3 2-3 Backscatter Surface density Effects (Top Layer Effect Curves) .. 2-4 2-4 Effect of moisture on Depth of 2-6 3-1 Model 3430 Keypad .. 3-2 3-2 Source Rod Positions .. 3-4 3-3 Standard Count 3-11 3-4 Drill Rod Positioning .. 3-12 3-5 Marking the Test Area .. 3-13 3-6 Voids 3-16 A-1 Diagram of an A-2 A-2 Variation of Radioactive Emission .. A-4 A-3 Effect of Distance on A-6 A-4 Model 3430 Gauge and Transport Case .. A-8 C-1 Removing the Tungsten Sliding Block .. C-13 C-2 3430 Gauge Assembly .. C-17 C-3 3430 Gauge Base Mechanical Assembly.

10 C-19 C-4 3430 Source Rod Handle C-19 C-5 3430 Gauge Preamplifier Assembly .. C-21 C-6 3430 Gauge Scaler Assembly .. C-23 x LIST OF TABLES Table Title Page 3-1 Model 3430 Keypad 3-3 4-1 K Values for Thin Lift 4-13 A-1 Radiation Profile for Model 3430 A-2 Radiation Profile for Model 3430-M Model 3430 xi ATTENTION Gauge OWNER This Gauge contains functions that require an ACCESS CODE. This code must be entered before these functions may be used. For more information on using the access code refer to the specific function in Chapter 5. The ACCESS CODE for this Gauge is: 4678 This page should be removed if the access code is not to be distributed to other parties or users of this Gauge .