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BBG EDI TT-2Dx Owner's Manual

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Table of Contents

TT-2Dx
1.
INTRODUCTION
2.
CONTROL FUNCTIONS
3.
GETTING STARTED
4.
HOW IT WORKS
5.
CALIBRATION
6.
BATTERY TEST
7.
SPECIFICATIONS
8.
WARRANTY AND REPAIR INFORMATION
9.
COMMONLY ASKED QUESTIONS
Tune indicator
Button A
Button B
Power, fine
frequency
USER'S MANUAL
Transducer
Coarse frequency set

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Summary of Contents for BBG EDI TT-2Dx

  • Page 1 TT-2Dx USER'S MANUAL INTRODUCTION CONTROL FUNCTIONS GETTING STARTED HOW IT WORKS CALIBRATION BATTERY TEST SPECIFICATIONS WARRANTY AND REPAIR INFORMATION COMMONLY ASKED QUESTIONS Tune indicator Transducer Button A Button B Coarse frequency set Power, fine frequency...
  • Page 2 INTRODUCTION The TT-2Dx is designed to test acoustic transducers for resonance over the frequency range of 10 KHz to over 2500 KHz. The low frequency version, TT-2DxL, can operate down to 1 KHz. The TT-2Dx tests most all types of transducers, including transformer-coupled and magnetostrictive devices. The transducers impedance, relative phase, and the frequency are displayed on the two line LCD display.

  • Page 3: Getting Started

    2.06.03 SETTING DEFAULT FREQUENCY RANGE: To select a frequency range as the default range, select the range and before releasing button B, press button A. Release both buttons after the display shows 'FR store' on the bottom line. This range will be selected each time the TT-2Dx is powered-up.
  • Page 4 voltages at the sample points determine the impedance and relative phase of the voltage across the transducer. The impedance ( ) is calculated and displayed over the range of 1 to 9990 ohms and the relative phase shift is displayed to the right of the impedance reading. A plus (+) sign (voltage leads current) indicates an inductive load, and a minus (-) sign (voltage lags current) indicates a capacitive load.

  • Page 5: Battery Replacement

    5.05 SHORT CIRCUIT LOAD CALIBRATION Turn the coarse frequency control to the maximum CCW position. Turn TT-2Dx off. Connect the clip leads together to short circuit the output. Press and hold both the A and B buttons and then turn on the power. Watch the display and release both buttons immediately after the display flashes '.

  • Page 6: Warranty Information

    Purchaser must ship unit prepaid to address below; if within the Continental USA, BBG Inc. will pay the return freight. Please call 757- 366-9211 for a Return Merchandise Authorization number (RMA #) before shipping your unit back to...
  • Page 7 break down internally and cease to operate. 9.05 WHAT HAPPENS IF THE TT-2Dx IS CONNECTED TO A DEPTH SOUNDER 9.05.0 If the TT-2Dx is connected to an operating depth sounder it will be damaged. The symptoms are no resonance indication and no change in readings when the output shorted or open, but the frequency readout continues to work.

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