UNI-T UT602 Operating Manual
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UNI-T UT602 Operating Manual

Digital inductance capacitance meter
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Model UT602/603: OPERATING MANUAL

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  • Page 1: Table Of Contents

    Model UT602/603: OPERATING MANUAL Table of Contents Title Page Overview Unpacking 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 UT602/603: OPERATING MANUAL...

  • Page 3: Overview

    (hereafter referred to as “the Meter”) is a 3 1/2 digits with steady operations, fashionable design and highly reliable hand-held measuring instrument. The UT602 can measure inductance, while UT603 can measure capacitance and inductance. They both can measure resistance, transistor, diode and continuity buzzer...

  • Page 4: Unpacking Inspection

    Model UT602/603: OPERATING MANUAL Unpacking Inspection Open the package case and take out the Meter. Check the following items carefully to see any missing or damaged part: Item Description English Operating Manual 1 piece Test Clip 1 pair 9V Alkaline Battery (NEDA1604, 6F22...

  • Page 5: Rules For Safe Operation

    Model UT602/603: OPERATING MANUAL Rules For Safe Operation Warning To avoid possible electric shock or personal injury, and to avoid possible damage to the Meter or to the equipment under test, adhere to the following rules: Before using the Meter inspect the case. Do not use the Meter if it is damaged or the case (or part of the case) is removed.
  • Page 6 Model UT602/603: OPERATING MANUAL Remove test clips from the Meter and turn the Meter power off before opening the Meter case. When servicing the Meter, use only the same model number or identical electrical specifications replacement parts. The internal circuit of the Meter shall not be altered at will to avoid damage of the Meter and any accident.

  • Page 7: International Electrical Symbols

    Model UT602/603: OPERATING MANUAL International Electrical Symbols Grounding Double Insulated Deficiency of Built-In 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

    The Meter Structure (see figure 1) (figure 1) 1. LCD Display 2. Data Hold (UT602) or L-C switch (UT603) 3. Transistor Jack 4. Resistance, Diode and Continuity Input Terminal 5. Capacitance Input Terminal (UT602) or Capacitance and Inductance Input Terminal (UT603) 6.

  • Page 9: Functional Buttons

    Model UT602/603: OPERATING MANUAL Functional Buttons Below table indicated for information about the functional button operations. Button Description Press the Power down to turn the Meter on. Power Press the Power again to turn the Meter power off. Press HOLD once to enter the hold feature, the LCD...

  • Page 10: Display Symbols

    Model UT602/603: OPERATING MANUAL Display Symbols (see figure 2) (figure 2) No. Symbol Meaning Data hold is active. The battery is low. Warning: To avoid false readings, which could lead to possible electric shock or personal injury, replace the battery as soon as the battery indicator appears.

  • Page 11: Measurement Operation

    Model UT602/603: OPERATING MANUAL Measurement Operation Make sure the Low Battery Display is not on, otherwise false readings may be provided. Pay extra attention to the symbol, before carrying measurement, which is located besides the input terminals of the Meter.
  • Page 12 Model UT602/603: OPERATING MANUAL Note When measuring at 20 and 200 range, the test clips can add 0.1 to 0.3 error to resistance. To obtain precise readings in these low-resistance measurement, that is the range 20 and 200 , short circuit the input terminals beforehand and record the reading obtained (called this reading as X).

  • Page 13: Diode And Continuity Test

    Model UT602/603: OPERATING MANUAL (figure 4) Warning To avoid damages to the Meter or to the devices under test, disconnect circuit power and discharge all the high-voltage capacitors before measuring diodes and continuity. Do not input more than DC 60V or AC 30V voltages to avoid electric shock and damage to the Meter.
  • Page 14 Model UT602/603: OPERATING MANUAL Note In a circuit, a good diode should still produce a forward voltage drop reading of 500mV to 800mV; however, the reverse voltage drop reading can vary depending on the resistance of other pathways between the probe tips.

  • Page 15: Capacitance Measurement

    Model UT602/603: OPERATING MANUAL C. Capacitance Measurement (UT603 only, see figure 5) (figure 5) Warning To avoid damage to the Meter or to the equipment under test, disconnect circuit power and discharge all high-voltage capacitors before measuring capacitance. Use the DC Voltage function to confirm that the capacitor is discharged.
  • Page 16 Model UT602/603: OPERATING MANUAL Note To minimize the effect of capacitance stored in the test clips, the test clips should be as short as possible and use the small value jack when measuring small value of capacitance. The Meter cannot check the quality of the capacitor.

  • Page 17: Inductance Measurement

    Model UT602/603: OPERATING MANUAL D. Inductance Measurement (see figure 6) (figure 6) To test the inductance, please follow the following procedure: Set the rotary switch to Lx measurement mode. If the tested inductance value is unknown, use the maximum measurement position and decrease the range step by step until a satisfactory reading is obtained.

  • Page 18: Transistor Hfe Measurement

    Model UT602/603: OPERATING MANUAL E. Transistor hFE Measurement (see figure 7) (figure 7) To measure transistor, set up the Meter as follows: Set the rotary switch to hFE measurement mode. Check that the transistor is PNP or NPN type. Insert the Insert the transistor to be measured to the corresponding Transistor Jack The Meter displays the tested transistor’s nearest value...

  • Page 19: General Specifications

    Model UT602/603: OPERATING MANUAL General Specifications Fused Protection for Inductance Input Terminal (UT602): 0.315A, 250V, fast type fuse, 5x20 mm. Fuse Protection for Inductance and capacitance Input Terminal (UT603): 0.315A, 250V, fast type fuse, 5x20 mm. Maximum Display: Display: 1999.

  • Page 20: Accuracy Specifications

    Model UT602/603: OPERATING MANUAL Accuracy Specifications Accuracy: (a% reading + b digits),guarantee for 1 year. Operating temperature: 23 Relative humidity: < 75%. Temperature coefficient: 0.1 x (specified accuracy) / 1 A. Resistance Test Accuracy Range Resolution UT602 UT603 0.01 (1%+5) (0.8%+3)

  • Page 21: Continuity & Diodes

    Model UT602/603: OPERATING MANUAL B. Continuity & Diodes Overload Function Range Resolution Protection Diode 250V rms Continuity Remarks: Diode: Open Circuit Voltage around 5.8V, forward current around 1mA. Continuity 10 , beeper comes on continuously. > 10 , beeper may or may not comes on.

  • Page 22: Inductance Test

    Model UT602/603: OPERATING MANUAL D. Inductance Test Accuracy Tested Frequ- Range Resolution ency / Current UT602 UT603 0.001mH 20mH 0.01mH (2%+8) 1kHz/150µA 200mH 0.1mH 0.001H (5%+5) 0.01H (5%+15) 100Hz/15µA 200H 0.1H Reference only Remarks: Measure of Inductance: 1H=10 mH = 10 µ...

  • Page 23: Maintenance

    Model UT602/603: OPERATING MANUAL Maintenance This section provides basic maintenance information including battery and fuse replacement instruction. Warning Do not attempt to repair or service your Meter unless you are qualified to do so and have the relevant calibration, performance test, and service information.

  • Page 24: Replacing The Battery

    Model UT602/603: OPERATING MANUAL B. Replacing the Battery (see figure 8) (figure 8) Warning To avoid false readings, which could lead to possible electric shock or personal injury, replace the battery as soon as the battery indicator “ ” appears.

  • Page 25: Replacing The Fuse

    Model UT602/603: OPERATING MANUAL C. Replacing the Fuse (see figure 9) (figure 9) Warning To avoid electrical shock or arc blast, or personal injury or damage to the Meter, use specified fuses ONLY in accordance with the following procedure. To replace the Meter’s fuse: Turn the Meter power off and remove all connections from the terminals.
  • Page 26 Model UT602/603: OPERATING MANUAL Copyright 2005 Uni-Trend Group Limited. All rights reserved. Manufacturer: Uni-Trend Technology (Dongguan) Limited Dong Fang Da Dao Bei Shan Dong Fang Industrial Development District Hu Men Town, Dongguan City Guang Dong Province China Postal Code: 523 925...

This manual is also suitable for:

Ut603

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