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Uni-Trend UT603 multimeter

1. Model UT602 603 OPERATING MANUAL The Meter Structure see figure 1 1 7 Bacaan 6 3 4 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 Rotary Switch Power no Model UT602 603 OPERATING MANUAL Functional Buttons Below table indicated for information about the functional button operations Button Description Power Press the Power down to turn the Meter on Press the Power again to turn the Meter power off Hold UT602 only Press HOLD once to enter the hold feature the LCD display amp Press HOLD again to exit hold feature the A disappear L C UT603 only Press L C down to enter the Capacitance measurement mode Press L C up to enter the Inductance measurement mode Model UT602 603 OPERATING MANUAL Display Symbols see figure 2 3 1 B mF 6 poA mH ak 0 0 figure 2 No Symbol Meaning 1 Hj Data hold is active 2 ca The battery is low A 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 3 B Transistor Test 4 Test of diode 5 en The continuity buz
2. when negative Overloading Display 1 Range Manual Ranging Temperature Operating 0 C 40 C 32 F 104 F Storage 10 C 50 C 14 F 122 F Relative Humidity lt 75 0 C 30 C lt 50 31 40 C Altitude Operating 2000 m Storage 10000 m Battery Type One piece of 9V Alkaline NEDA1604 or 0062 or 6F22 or 006P Battery Deficiency Display Ea Dimensions HxWxL 172 x 83 x 38 mm Weight Approximate 310g battery included Safety Compliances EMC EN61326 Certification C 19 Model UT602 603 OPERATING MANUAL Accuracy Specifications Accuracy a reading b digits guarantee for 1 year Operating temperature 23 C 5 C Relative humidity lt 75 Temperature coefficient 0 1 x specified accuracy 1 C A Resistance Test Range Resolution Accuracy UT602 UT603 200 0 010 1 5 20090 0 10 0 8 3 2kQ 1Q epa 1G 0 8 1 200kQ 100Q 2MQ 1kO 20MQ 10kO 2 rdg 12 5 2000M22 1MQ Reference only Remarks Overload protection 250V DC or AC rms at all ranges At 20MQ range short circuit test lead LCD displaying 12 digits is normal During measurement minus these 12 digits from the obtained reading When measuring 20Q and 200Q range short circuit test clips to display the resistance value of the test lead Subtract this value from the measurement value to obtain the correct tested value 20 Model UT602 603 OPERA
3. measured 4 The beeper comes on continuously when the resistance value of the tested circuit lt 10Q The beeper may or may not come on when the resistance value of the test circuit gt 10Q 5 The Meter displays the value of the test resistance Note The LCD displays 1 indicating the circuit being tested is open When continuity test has been completed disconnect the connection between the testing clips and the circuit under test and remove the testing clips away from the input terminals of the Meter 14 Model UT602 603 OPERATING MANUAL figure 5 A 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 The Meter s capacitance ranges are 2nF 20nF 200nF 2uF 204F 200uF and 600uF To measure capacitance connect the Meter as follows 1 Set the rotary switch to F measurement mode If the value of capacitor to be measured is unknown use the maximum measurement position 600UF and decrease the range step by step until a satisfactory reading is obtained and the overloading icon 1 is disappeared Insert the red test clip into the CAP terminal and black test clip into the CAP terminal For small value capacitor measurement insert the capacitor into the small value jack Use the red test clip to clip
4. Model UT602 603 OPERATING MANUAL Table of Contents Title Page Overview 3 Unpacking Inspection 4 Safety Information 4 Rules For Safe Operation 5 International Electrical Symbols 7 The Meter Structure 8 Functional Buttons 9 Display Symbols 10 Measurement Operation 11 A Measuring Resistance 11 B Diode and Continuity Test 13 C Capacitance Measurement 15 D Inductance Measurement 17 E Transistor hFE Measurement 18 General Specifications 19 Accuracy Specifications 20 A Resistance Test 20 B Continuity amp Diodes 21 C Capacitance Test 21 D Inductance Test 22 E Transistor 22 Maintenance 23 A General Service 23 B Replacing the Battery 24 C Replacing the Fuse 25 Model UT602 603 OPERATING MANUAL Model UT602 603 OPERATING MANUAL Overview This Operating Manual covers information on safety and cautions Pleas
5. TING MANUAL B Continuity amp Diodes 7 y Overload Function Range Resolution Protection Diode gt 1mV 250V rms Continuity 10 Remarks Diode Open Circuit Voltage around 5 8V forward current around 1MA Continuity lt 1022 beeper comes on continuously gt 100 beeper may or may not comes on C Capacitance Test UT603 only Range Resolution Accuracy Testing Frequ ency Voltage 2 000nF 0 001nF 20 00nF 0 01nF 1 5 1kHz 150mV 200 0nF 0 1nF 2 000u4F 0 001uF 20 004F 0 01uF 4 5 100Hz 15mV 200 0uF 0 1uF 600uF 0 001mF Reference only 100Hz 1 5mV Remarks Overload Protection 0 315A 250V fast type fuse 5x20 mm Measure of Capacitance 1F 10 mF 10 1F 10 nF 10 pF capacitance circuit value 21 Discharge all high voltage capacitors before testing The tested value of 2nF range needs to minus open Model UT602 603 OPERATING MANUAL D Inductance Test i Accuracy Tested Frequ Range Resolution UTeo2 uTeoa eney Current 2mH 0 001mH 20mH 0 01mH 2 8 200mH 0 1mH 1kHz 150uA 2H 0 001H 5 5 59 20H 001H ee 100Hz 15yA 200H 0 1H Reference only Remarks Measure of Inductance 1H 10 mH 10 H Overload Protection 0 315A 250V fast type fuse 5x20 mm E Transistor 7 Testing Range Resolution R
6. 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 Headquarters Uni Trend Group Limited Rm901 9 F Nanyang Plaza 57 Hung To Road Kwun Tong Kowloon Hong Kong Tel 852 2950 9168 Fax 852 2950 9303 Email info uni trend com http www uni trend com 26
7. e read the relevant information carefully and observe all the Warnings and Notes strictly A warning To avoid electric shock or personal injury read the Safety Information and Rules for Safety Operation carefully before using the Meter Digital Inductance Capacitance Meter Model UT602 UT603 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 UT602 has an extra Data Hold feature 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 Qty 1 English Operating Manual 1 piece 2 Test Clip 1 pair 3 9V Alkaline Battery NEDA1604 6F22 1 piece or 006P installed In the event you find any missing or damage please contact your dealer immediately Safety Information This Meter complies with the standards EMC EN61326 Use the Meter only as specified in this operating manual otherwise the protection provided by the Meter may be impaired In this manual a Warning identifies conditions and actions that pose hazards to the user or may damage the Meter or the equipment under test A Note identi
8. emarks Condition y 5 8V The display value is the hFE Ap e tested transistor s lbo 10A NPN PNP nearest value 0 10008 22 Model UT602 603 OPERATING MANUAL Maintenance This section provides basic maintenance information including battery and fuse replacement instruction A 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 To avoid electrical shock or damage to the Meter do not get water inside the case A General Service Periodically wipe the case with a damp cloth and mild detergent Do not use abrasives or solvents To clean the terminals with cotton bar with detergent as dirt or moisture in the terminals can affect readings Turn the Meter power off when it is not in use and take out the battery when not using for a long time Do not store the Meter in a place of humidity high temperature and strong magnetic field 23 Model UT602 603 OPERATING MANUAL figure 8 A warning To avoid false readings which could lead to possible electric shock or personal injury replace the battery as soon as the battery indicator Ed appears To replace the battery 1 Turn the Meter power off and remove all connections from the terminals 2 Remove the screw from the battery compartment and separate the battery compartment from the case bottom Remove t
9. fies the information that user should pay attention on International electrical symbols used on the Meter and in this Operating Manual are explained on page 7 Model UT602 603 OPERATING MANUAL Rules For Safe Operation A warning To avoid possible electric shock or personal injury and to avoid possible damage to the Meter or to the eguipment 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 Look for cracks or missing plastic Pay attention to the insulation around the connectors Inspect the test clips for damaged insulation or exposed metal Check the test clips for continuity Replace damaged test clips with identical model number or electrical specifications before using the Meter Do not apply voltage to the Meter The rotary switch should be placed in the right position and no any changeover of range shall be made during measurement is conducted to prevent damage of the Meter Do not apply more than 30Vrms between the terminals and the grounding to avoid electric shock and damage to the Meter Use the proper terminals function and range for your measuremenis Do not use or store the Meter in an environment of high temperature humidity explosive inflammable and strong magnetic field The performance of the Meter may deteriorate after dampened Disconnect circuit power and discharge all high voltage ca
10. he battery from the battery compartment 4 Replace the battery with a new 9V alkaline battery NEDA1604 or 0062 or 6F22 or 006P 5 Rejoin the case bottom and battery compartment and reinstall the screw wo 24 Model UT602 603 OPERATING MANUAL A 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 1 Turn the Meter power off and remove all connections from the terminals 2 Remove the screw from the battery compartment and separate the battery compartment from the case bottom 3 Remove the screws from the case bottom and separate the case top from the case bottom 4 Remove the fuse by gently prying one end loose then take out the fuse from its bracket 5 Install ONLY replacement fuses with the identical type and specification as follows and make sure the fuse is fixed firmly in the bracket Fuse 1 0 315A 250V fast type fuse 45x20 mm 6 Rejoin the battery compartment and the case top and reinstall the screw 7 Rejoin the case bottom and case top and reinstall the screws Replacement of the fuses is seldom required Burning of a fuse always results from improper operation END This operating manual is subject to change without notice 25 Model UT602 603 OPERATING MANUAL Copyright 2005 Uni Trend Group Limited All rights reserved Manufacturer
11. n drops between 500mV and 800mV To test a diode out of a circuit connect the Meter as follows 1 Insert the red test clip into the Q Ht terminal and the black test clip into the COM terminal 2 Set the rotary switch to gt t 3 For forward voltage drop readings on any semiconductor component place the red test clip on the component s anode and place the black test clip on the component s cathode The display shows the diode forward voltage drop s nearest value 13 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 Connect the test clips to the proper terminals as said above to avoid error display The LCD will display 1 indicating open circuit for wrong connection The unit of diode is Volt V displaying the positive connection voltage drop value When diode test has been completed disconnect the connection between the testing clips and the circuit under test and remove the testing clips away from the input terminals of the Meter Testing for Continuity To test for continuity connect the Meter as below 1 Insert the red test clip into the Q Ht terminal and the black test clip into the COM terminal 2 Set the rotary switch to gt 4 3 Connect the test clips across with the object being
12. ng out measurement at 2mH short circuit the test clip first then carrying out the measurement The actual correct reading is the measured reading minus the short circuit reading When testing a small value inductance it is better to use the small value jack The Meter cannot check the quality of the inductance When inductance measurement has been completed disconnect the connection between the testing clips and the circuit under test and remove the testing clips away from the input terminals of the Meter 17 Model UT602 603 OPERATING MANUAL To measure transistor set up the Meter as follows 1 Set the rotary switch to hFE measurement mode 2 Check that the transistor is PNP or NPN type 3 Insert the Insert the transistor to be measured to the corresponding Transistor Jack 4 The Meter displays the tested transistor s nearest value Note When transistor measurement has been completed disconnect the connection between the testing clips and the circuit under test and remove the testing clips away from the input terminals of the Meter 18 Model UT602 603 OPERATING MANUAL General Specifications Fused Protection for Inductance Input Terminal UT602 0 315A 250V fast type fuse 45x20 mm Fuse Protection for Inductance and capacitance Input Terminal UT603 0 315A 250V fast type fuse 45x20 mm Maximum Display Display 1999 Measurement Speed Updates 2 3 times second Polarity Auto Display
13. pacitors before testing resistance continuity capacitance or diodes Replace the battery as soon as the battery indicator EA appears With a low battery the Meter might produce false readings that can lead to electric shock and personal injury 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 Soft cloth and mild detergent should be used to clean the surface of the Meter when servicing No abrasive and solvent should be used to prevent the surface of the Meter from corrosion damage and accident Turn the Meter power off when it is not in use and take out the battery when not using for a long time Please constantly check the battery as it may leak when it has been using for some time replace the battery as soon as leaking appears A leaking battery will damage the Meter 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 Alb lm amp isis Mor Conforms to Standards of European Union
14. the capacitor s positive and the black test clip to clip the capacitor s negative when the capacitor has polarity 4 The measured value shows on the display N wo 15 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 For large capacitor please make sure the contact is stable and reliable When the tested capacitor is leaking or damaged and the tested value is not stable the capacitor may have problems You need to use other tools or equipment to check and confirm When capacitance measurement has been completed disconnect the connection between the testing clips and the circuit under test and remove the testing clips away from the input terminals of the Meter 16 Model UT602 603 OPERATING MANUAL figure 6 To test the inductance please follow the following procedure 1 Set the rotary switch to Lx measurement mode 2 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 3 Insert the test clips into the corresponding Lx input terminals 4 Use the test clips to clip the inductance to carry out the testing 5 The measured value shows on the display Remarks When carryi
15. the test clips can add 0 1 to 0 3Q error to resistance To obtain precise readings in these low resistance measurement that is the range 209 and 20022 short circuit the input terminals beforehand and record the reading obtained called this reading as X X is the additional resistance from the test clips Then use the equation measured resistance value Y X precision readings of resistance The Meter displays 1 when there is no input for example open circuit situation For high resistance measurement gt 1MQ it is normal taking several seconds to obtain a stable reading When resistance measurement has been completed disconnect the connection between the testing clips and the circuit under test and remove the testing clips away from the input terminals of the Meter 12 Model UT602 603 OPERATING MANUAL B Diode and Continuity Test see figure 4 1 Red figure 4 A 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 Testing Diodes Use the diode test to check diodes transistors and other semiconductor devices The diode test sends a current through the semiconductor junction and then measures the voltage drop across the junction A good silicon junctio
16. zer is on 6 Farad The unit of capacitance pF pF Picofarad 1 x 10 or 0 000000000001 farads nF jnF Nanofarad 1 x 10 or 0 000000001 farads uF UF Microfarad 1 x 10 or 0 000001 farads mF mF Millifarad 1 x 10 or 0 001 farads 7 Q O Ohm The unit of resistance kQ kQ kilohm 1 x 10 or 1000 ohms MQ IMO Megaohm 1 x 106 or 1 000 000 ohms 8 H H Henry The unit of Inductance mH mH Millihenry 1 x 10 or 0 001 henry 10 Model UT602 603 OPERATING MANUAL Measurement Operation Make sure the Low Battery Display Ca 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 A Measuring Resistance see figure 3 figure 3 A 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 resistance The resistance ranges are 200 200 2kQ 20kQ 200kQ 2MQ 20MQ and 2000MQ To measure resistance please connect the Meter as follows 1 Insert the red test clip into the Q Ht terminal and the black test clip into COM terminal 2 Set the rotary switch to Q range 3 Connect the test clips across with the object being measured The measured value shows on the display 11 Model UT602 603 OPERATING MANUAL Note When measuring at 20Q and 200Q range

Uni-Trend UT603 multimeter

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