WPI DAM50 Instruction Manual

Differential amplifier

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INSTRUCTION MANUAL
DAM50
Differential Amplifier
Serial No._____________________
WORLD
PRECISION
INSTRUMENTS
Instrumenting scientific ideas
www.wpiinc.com
092618

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Summary of Contents for WPI DAM50

  • Page 1 WORLD PRECISION INSTRUMENTS Instrumenting scientific ideas INSTRUCTION MANUAL DAM50 Differential Amplifier Serial No._____________________ www.wpiinc.com 092618...
  • Page 3: Table Of Contents

    AC or DC Recording? ........................ 5 MAINTENANCE ..........................5 Testing the Amplifier ........................ 5 SPECIFICATIONS ..........................6 APPENDIX A DAM50 WIRING CONFIGURATIONS ..............7 A.300647 Prewired cable for metal electrodes ..............7 a.Differential configuration (Mode A-B) ................. 7 b.Single ended configuration (Mode A) ................. 7 B.5489 mini-banana adaptor for glass ................
  • Page 4 World Precision Instruments...
  • Page 5: About This Manual

    This symbol indicates a WARNING. Warnings alert you to actions that can cause personal injury or pose a physical threat. Please read these carefully. NOTES and TIPS contain helpful information. Fig. 1—The DAM50 is a differential amplifier. World Precision Instruments...
  • Page 6: Introduction

    (mains) noise. It is most essential that the preparation be connected with an electrode to a good electrical ground as well as to the grounding wire of the DAM50 itself. This should have the effect of greatly reducing electrostatically induced potential. In addition to the preparation ground,...
  • Page 7: Instrument Description

    INSTRUMENT DESCRIPTION The Amplifier INPUT to the DAM50 amplifier is made via a flexible, 4-wire shielded cable terminated in a miniature telephone-style plug. The DAM50 now has a prewired cable (300647) made for metal electrodes (0.031” pin) and a reference electrode on a 2 mm pin. Refer to the appendix for wiring configurations.
  • Page 8 Fig. 1—GAINS: This chart shows the standard 3dB frequency cutoff at maximum filter band pass. World Precision Instruments...
  • Page 9: Ac Or Dc Recording

    DAM50 AC or DC Recording? It should be noted that DC recording with metal electrodes will invariably result in excessively large galvanic potentials being applied to the amplifier’s input terminals. This can result in overdriving the amplifier so that the POSITION control will not be able to restore the operating baseline’s position.
  • Page 10: Specifications

    .................. and 10,000×), 1 mV (at 100×) and 10× DC). Power ..................2 9V alkaline batteries, supplied Input Cables ..1 shielded cable with metal electrode connectors are provided and 1 shielded cable with bare wires. APPENDIX A DAM50 WIRING CONFIGURATIONS PART NUMBER DESCRIPTION M3301EH...
  • Page 11: Prewired Cable For Metal Electrodes

    DAM50 A. 300647 Prewired cable for metal electrodes a. Differential configuration (Mode A-B) M3301EH TM31A10 300647 DAM50 MD4R 5052 RC1T b. Single ended configuration (Mode A) M3301EH M3301R TM31A10 DAM50 300647 RC1T World Precision Instruments...
  • Page 12: Mini-Banana Adaptor For Glass

    B. 5489 mini-banana adaptor for glass a. Differential configuration (Mode A-B) DAM50 3294 13620 2505 MEH7W10 5489 13620 5444 2505 b. Single ended configuration (Mode A) DAM50 3294 13388 13620 5489 5444 MEH7W10 2505 World Precision Instruments...
  • Page 13: Mm Adaptor For Glass

    DAM50 C. 5447 2 mm adaptor for glass a. Differential configuration (Mode A-B) DAM50 5447 13620 2505 5444 13620 MEH7W10 RC1T b. Single ended configuration (Mode A) DAM50 5447 5444 2505 MEH7W10 13620 RC1T World Precision Instruments...
  • Page 14: Declaration Of Conformity

    DECLARATION OF CONFORMITY World Precision Instruments...
  • Page 15: Warranty

    WPI shall not be liable for any damage to data or property that may be caused directly or indirectly by use of this product.
  • Page 16 International Trade Center, 175 Sarasota Center Blvd., Sarasota FL 34240-9258 Tel: 941-371-1003 • Fax: 941-377-5428 • E-mail: sales@wpiinc.com 1 Hunting Gate, Hitchin, Hertfordshire SG4 0TJ Tel: 44 (0)1462 424700 • Fax: 44 (0)1462 424701 • E-mail: wpiuk@wpi-europe.com Germany Saarstraße 23, D-61169 Friedberg (Hesson), Germany Tel: +49 (0)6031 1602171 •...

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