Smart Tweezers ST5SBT User Manual
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Smart Tweezers ST5SBT User Manual

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Summary of Contents for Smart Tweezers ST5SBT

  • Page 2: Table Of Contents

    TABLE OF CONTENTS Notice Warranty Safety Precautions Getting Started Overview How it works Controls Power On Display Displayed Parameters Menu Structures And Functions Measurement menu Setting Menu Measurement Features Maintenance Labelling & Verification Requirements Appendix A. Specifications Appendix B. Default Settings Appendix C. Accuracy Specification...

  • Page 3: Notice

    WARRANTY DOES NOT COVER LCD DAMAGE, PHYSICAL DAMAGE TO THE JOG DIAL BUTTON, SLIDE SWITCH AND RESET SWITCH; ELECTRICAL DAMAGE OF THE PRODUCT DUE TO HIGH VOLTAGE OR IMPROPER BATTERY TYPE. To avoid possible damage to Smart Tweezers or to the equipment under test, follow these guidelines: THE DESIGN AND IMPLEMENTATION OF ANY CIRCUIT BASED ON THIS PRODUCT IS THE SOLE RESPONSIBILITY OF THE CUSTOMER.

  • Page 4: Getting Started

    SMT components with size down to 0201. output of AI provides a signal proportional to the current, I*Ri. In actual use Smart Tweezers provides more accurate results than Voltage across the DUT is measured by a separate signal path most of the benchtop LCR meters due to small and very predictable (amplifier AU), thus providing a pseudo 4-wire Kelvin connection.

  • Page 5: Controls

    The navigation switch is used to select a function or to change a Note: Once powered on, the unit will perform setting of Smart Tweezers. The navigation switch can be moved the last selected function. (rocked) in 4 directions (UP, DOWN, LEFT, RIGHT). Selection is performed by pressing along the vertical axis (PRESS).

  • Page 6: Displayed Parameters

    Ω. Serial equivalent circuit is used in this mode. This section describes menu structure and device parameters L+Q MODE: Inductance is shown on the Primary Display and setting. Smart Tweezers menu system contains the quality factor Q on the Secondary Display. Inductance • Main menu — main menu items units are µH, mH or H.
  • Page 7 • Service menu — service functions SYSTEM MENU • Measurement menu – measurement functions and settings System menu is used to access system settings and functions. • Mode menu – measurement modes • Setting menu – measurement parameters settings NAVIGATING MENUS Move the Navigation Control UP or DOWN to move cursor to the desired menu item and PRESS it to select the item.

  • Page 8: Measurement Menu

    The mode could be used for locating shorted part of a circuit e.g. on a PCB. BATTERY DISPLAY MENU Select BATTERY to measure the actual battery voltage. PRESS to exit SERIAL NUMBER Display menu is used to change display’s settings • Select RIGHT to set the “Right Handed” display mode Select S/N to display the device Serial Number and the firmware version.

  • Page 9: Setting Menu

    AUTO MODE: Select AUTO mode (AM sign appears at the SETTING MENU in the top row of the display) for automatic measurement of inductance, capacitance or resistance. Note: In the AUTO mode ST uses 1kHz test frequency by TEST FREQ default and has a limited sensitivity. Automatic detection R/D/Q LEVEL may not work for small value capacitors and inductors.
  • Page 10 SERIES EXIT Any non-ideal component can be represented as a resistive During measurements Smart Tweezers will display component in series or in parallel with a reactive component. difference in percent from the reference value. Depending upon the characteristics of the component the series or Alarm condition will be indicated by a triple beep.
  • Page 11 Smart Tweezers allows to store measurement To reset (set to zero) the stored offset enter the NULL menu and select offset for L, C, R component separately. • CLEAR ALL to clear all offsets • CLEAR R, CLEAR L, CLEAR C to zero a particular offset CLEAR ALL DEFAULTS from the SETTINGS menu also clears all offses.

  • Page 12: Measurement Features

    In AUTO mode ST automatically selects the best test frequency and is capable of measuring inductance from 1 μH to 1kH. To measure inductance In AUTO mode the Smart Tweezers first tries to perform lower than 5μH or more than 500mH select test frequency manually: measurement at 1kHz and then automatically selects the best test frequency.

  • Page 13: Maintenance

    3. Reset device by reconnecting battery (requires MAINTENANCE top lid and the circuit board removal). CAUTION: Smart Tweezers repairs should only be performed by GENERAL MAINTENANCE: Dirt or moisture on the an Authorized Service Center or by qualified service personnel. tips may affect measurement accuracy. Clean the tips regularly.

  • Page 14: Appendix A. Specifications

    APPENDIX A. SPECIFICATIONS MAXIMUM MEASUREMENT RANGES Resistance R: 0.05 Ω to 9.9 MΩ TECHNICAL SPECIFICATIONS Capacitance C: 0.5 pF to 9999 μF AC test mode Test 1 kHz, 10 kHz, 120Hz,100 Hz Inductance L: 0.5 uH to 999 mH frequency: Quality factor Q: 0.001 to 1000 * Test frequency accuracy: 50 PPM (0.005%) Dissipation factor D:...

  • Page 15: Appendix B. Default Settings

    APPENDIX B. DEFAULT SETTINGS CAPACITANCE Range Resolution100 Hz 120 Hz 1 kHz 10 kHz Default settings after AUTOSET command 1000 µF 0.1 µF 0.5% + 5 0.5% + 5 SOUND mode: 100 µF 0.01 µF 0.3% + 3 0.5% + 5 DISPAY mode: No change 10 µF 0.001 µF 0.2% + 3 0.2% + 3...

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