Tenma 72-8155 Operating Manual
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Tenma 72-8155 Operating Manual

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Model 72-8155: OPERATING MANUAL

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Summary of Contents for Tenma 72-8155

  • Page 1: Table Of Contents

    Model 72-8155: OPERATING MANUAL Table of Contents Title Page Overview Inspection Safety Information Rules For Safe Operation International Electrical Symbols The Meter Structure Functional Buttons Display Symbols Measurement Operation A. Measuring Resistance B. Diode and Continuity Test C. Capacitance Measurement D.
  • Page 2 Model 72-8155: OPERATING MANUAL...

  • Page 3: Overview

    (hereafter referred to as ìthe Meterî) is a 3 1/2 digits with steady operations, fashionable design and highly reliable hand-held measuring instrument. The Model 72-8155 will measure capacitance, inductance, resistance, transistor hFE and test diodes. It will also test continuity with an audible buzzer.

  • Page 4: Inspection

    Model 72-8155: OPERATING MANUAL Inspection Open the package case and take out the Meter. Check the following items carefully to see if any items are missing or damaged. Item Description Operating Manual 1 piece Test Clip 1 pair 9V Alkaline Battery (NEDA1604, 6F22...

  • Page 5: Rules For Safe Operation

    Model 72-8155: OPERATING MANUAL Rules For Safe Operation Warning...
  • Page 6 Model 72-8155: OPERATING MANUAL...

  • Page 7: International Electrical Symbols

    Model 72-8155: OPERATING MANUAL International Electrical Symbols Ground Double Insulated Low Battery. Continuity Test. Diode. Capacitance Test Inductance Test Fuse. Warning. Refer to the Operating Manual. Conforms to Standards of European Union.

  • Page 8: The Meter Structure

    Model 72-8155: OPERATING MANUAL The Meter Structure (see figure 1) 72-8155 (figure 1)

  • Page 9: Functional Buttons

    Model 72-8155: OPERATING MANUAL Functional Buttons The following table provides information regarding the functional button operation. Button Description Press the Power down to turn the Meter on. Power Press the Power again to turn the Meter power off. Press L-C down to enter the Capacitance measurement mode.

  • Page 10: Display Symbols

    Model 72-8155: OPERATING MANUAL Display Symbols (see figure 2) (figure 2) No. Symbol Meaning β...

  • Page 11: Measurement Operation

    Model 72-8155: OPERATING MANUAL Measurement Operation A. Measuring Resistance (see figure 3) (figure 3)
  • Page 12 Model 72-8155: OPERATING MANUAL Note...

  • Page 13: Diode And Continuity Test

    Model 72-8155: OPERATING MANUAL (figure 4) Warning To avoid damage to the Meter or to the devices under test, disconnect circuit power and discharge all the high-voltage capacitors before measuring diodes and continuity. Testing Diodes Use the diode test to check diodes, transistors, and other semiconductor devices.
  • Page 14 Model 72-8155: OPERATING MANUAL Note Note...

  • Page 15: Capacitance Measurement

    Model 72-8155: OPERATING MANUAL C. Capacitance Measurement (72-8155 only, see figure 5) (figure 5)
  • Page 16 Model 72-8155: OPERATING MANUAL Note...

  • Page 17: Inductance Measurement

    Model 72-8155: OPERATING MANUAL D. Inductance Measurement (see figure 6) (figure 6) Remarks:...

  • Page 18: Transistor Hfe Measurement

    Model 72-8155: OPERATING MANUAL (figure 7) Note:...

  • Page 19: General Specifications

    Model 72-8155: OPERATING MANUAL General Specifications...

  • Page 20: Accuracy Specifications

    Model 72-8155: OPERATING MANUAL Accuracy Specifications A. Resistance Test Range Resolution Accuracy (0.8%+3) (0.8%+1) 200k [2%(rdg-12)+5] Remarks:...

  • Page 21: Continuity & Diodes

    Model 72-8155: OPERATING MANUAL B. Continuity & Diodes Overload Function Range Resolution Protection Diode 250V rms Continuity Remarks: C. Capacitance Test Testing Frequ- Range Resolution Accuracy ency / Voltage 2.000nF 0.001nF 20.00nF 0.01nF (1%+5) 1kHz/150mV 200.0nF 0.1nF 2.000µF 0.001µF 20.00µF 0.01µF...

  • Page 22: Inductance Test

    Model 72-8155: OPERATING MANUAL D. Inductance Test Tested Frequ- Range Resolution Accuracy ency / Current 0.001mH 20mH 0.01mH (2%+8) 1kHz/150µA 200mH 0.1mH 0.001H (5%+5) 100Hz/15µA 0.01H (5%+15) Remarks: E. Transistor Testing Range Resolution Remarks Condition The display value is the 5.8V...

  • Page 23: Maintenance

    Model 72-8155: OPERATING MANUAL Maintenance...

  • Page 24: Replacing The Battery

    Model 72-8155: OPERATING MANUAL (figure 8) Warning To replace the battery:...

  • Page 25: Replacing The Fuse

    Model 72-8155: OPERATING MANUAL (figure 9) Warning To replace the Meterís fuse:...
  • Page 26 Model 72-8155: OPERATING MANUAL...

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