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Summary of Contents for Sensotec CA2
- Page 1 INLINE CHARGE AMPLIFIER MODEL CA2 2080 ARLINGATE LANE, COLUMBUS OHIO 43228 (614) 850-5000 008-0508-00...
- Page 2 Inline Charge Amplifier Model CA2 User's Guide Sensotec Part Number: 008-0508-00 Rev. 0: August, 1997 Copyright Notice: Copyright @ 1993 by SENSOTEC, INC. 2080 Arlingate Lane Columbus, Ohio 43228 U.S.A. All rights Reserved. Printed in U.S.A. TEL (614) 850-5000 FAX (614) 850-1111...
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Page 3: Table Of Contents
TABLE OF CONTENTS Page Number CHAPTER 1: INTRODUCTION 1.1 Overview.......... 1.2 Specifications........1.3 Layout..........CHAPTER 2: INSTALLATION / SET UP 2.1 Wiring..........2.2 Sensitivity Switch Setup....2.3 Panel Mounting Information....CHAPTER 3: CALIBRATION 3.1 Calibration......... 3.2 Long Time Constant Option....CHAPTER 4: WARRANTY / REPAIR POLICY 4.1 Limited Warranty on Products.... - Page 4 008-0508-00...
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Page 5: Chapter 1: Introduction
1.1 OVERVIEW Charge mode piezoelectric transducers require charge amplifiers to convert their output to useful voltage levels. The Sensotec model 3168 Inline Charge Amplifier is a versatile convenient solution to the use of charge mode piezoelectric transducers. The inline is housed in a small metal package which is connected between the transducers and the instrumentation. -
Page 6: Layout
1.3 LAYOUT Figure 1-1. Layout of Inline Amplifier 008-0508-00... -
Page 7: Chapter 2: Installation / Set Up
Chapter 2 INSTALLATION / SET UP 2.1 WIRING The Inline Charge amplifier can be powered from a + / - 15 volts DC or a 24 to 32 volt single voltage supply. The following diagrams show the wiring to each type of supply. Cables should be stripped back 3 inches with the wires stripped and tinned 1/2 inch. - Page 8 Adjusting the fine gain potentiometer changes the sensitivities listed in table 2-1. If the customer requests Sensotec to set-up the transducer and CA2 for a single sensitivity, the coarse and fine gain adjustment should not be altered.
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Page 9: Panel Mounting Information
2.3 PANEL MOUNTING INFOMATION The inline can be easily mounted to a panel by using the template in Appendix A for marking the holes in the panel. The cover must be removed to get access to the mounting holes. Use # 6 or # 8 screws for mounting box to panel. - Page 10 008-0508-00...
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Page 11: Chapter 3: Calibration
Chapter 3 CALIBRATION 3.1 CALIBRATION Step 1. Apply power and allow unit to stabilize for 10 minutes. Step 2. Calculate sensitivity switch based on desired mV/g or mV/lb output. Use the following formulas: Sensitivity = Desired mV/g mV/pC Accelerometer Sensitivity pC/g Desired mV/lb Load Cell Sensitivity pC/lb EXAMPLES... - Page 12 Example # 3: Sensitivity of accelerometer = 100 pC/g Full scale g's = 50 Full scale output at 50g's = 5V .1V/g = 100 mV/g Sensitivity 100mV/g = 1mV/pC mV/pC 100 pC/g (switches 4 and 6) Example # 4: Sensitivity of load cell = 10 pC/lb Full scale lb's = 500 Full scale output at 500 lb's = 5V 10mV/lb...
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Page 13: Long Time Constant Option
3.2 LONG TIME CONSTANT OPTION If the long TC option was purchased there will be a front panel toggle switch labeled LONG or NORMAL. Normal TC indicates the standard time constant of 50 milliseconds. Long TC indicates a time constant of 2000 seconds. - Page 14 008-0508-00...
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Page 15: Chapter 4: Warranty / Repair Policy
SENSOTEC is not responsible for any incidental or consequential loss or damage which might result from a failure of any SENSOTEC product. This express warranty is made in lieu of any and all other warranties, express or implied, including implied warranty of merchantability or fitness for particular purpose. -
Page 16: Obtaining Non-Warranty Service
Columbus, Ohio. Please return the original calibration data with the unit. 4.4 REPAIR WARRANTY All repairs of SENSOTEC products are warranted for a period of 90 days from date of shipment. This warranty applies only to those items which were found defective and repaired, it does not apply to products in which no defect was found and returned as is or merely recalibrated. - Page 17 APPENDIX A Figure A-1. Panel Mounting Template 008-0508-00...
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