UNI-T UT58E Скачать руководство пользователя страница 15 | Manualshive

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Model UT58E: OPERATING MANUAL

Measurement Operation(2)

B. DC and AC Current Measurement

(see figure 4)

( figure 4)

Black Red

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Содержание UT58E

Страница 1: ... Resistance D Measuring Diodes and Continuity E Frequency Measurement F Temperature Measurement G Capacitance Measurement H Measuring Transistor Sleep Mode Operation of Hold Mode General Specifications Accuracy Specifications A DC Voltage B AC Voltage C DC Current D AC Current E Resistance Test F Diodes and Continuity Test G Frequency H Temperature I Capacitance J Transistor test 3 10 4 11 12 14 1...

Страница 2: ...Maintenance A General Services B Replacing the Fuses C Replacing the Battery Title Page 32 32 32 33 Model UT58E OPERATING MANUAL 2 ...

Страница 3: ...e and has full range overload protection The Meter has 28 different measuring functions It has not only can measure AC DC Voltage AC DC Current Resistance Temperature Capacitance Frequency Transistor Diode and Continuity but also have Data Hold Full Icon Display Overload Protection and Sleep Mode features Warning To avoid electric shock or personal injury read the Safety Information and Rules for ...

Страница 4: ... the event you find any missing or damage please contact your dealer immediately 1 English Operating Manual 1 piece 2 Test Lead 1 pair 3 Multi Purpose Socket 1 piece 4 Test Clip 5 Point Contact Temperature Probe 6 Holster 1 piece 7 9V Battery NEDA 1604 6F22 or 009P 1 piece 1 piece 1 piece 4 Model UT58E OPERATING MANUAL Item Description Qty ...

Страница 5: ...n with smaller transient overvoltages than CAT IV 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 identifies the information that user should pay attention to International electri...

Страница 6: ... voltage as marked on the Meter between the terminals or between any terminal and grounding l 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 l When the Meter working at an effective voltage over 60V in DC or 30V rms in AC special care should be taken for there is danger of electric...

Страница 7: ...power off before opening the Meter case l When servicing the Meter use only the same model number or identical electrical specifications replacement parts l The internal circuit of the Meter shall not be altered at will to avoid damage of the Meter and any accident l Soft cloth and mild detergent should be used to clean the surface of the Meter when servicing No abrasive and solvent should be used...

Страница 8: ...AC Alternating Current DC Direct Current Grounding Double Insulated Deficiency of Built In Battery Warning Refer to the Operating Manual Conforms to Standards of European Union Diode Fuse Continuity Test Model UT58E OPERATING MANUAL 8 ...

Страница 9: ...del UT58E OPERATING MANUAL figure 1 The Meter Structure see figure 1 1 LCD Display 2 HOLD Button 3 Rotary Switch 4 COM Input Terminal 5 POWER 6 Other Input Terminal 7 mA Input Terminal 8 20A Input Terminal ...

Страница 10: ...formation about the rotary switch positions DC voltage measurement AC voltage measurement Transistor Test AC Current Measurement DC Current Measurement Fcx Capacitance Test o C Temperature Measurement Diode test Continuity test Resistance measurement Hz Frequency Measurement ...

Страница 11: ...Model UT58E OPERATING MANUAL 11 ...

Страница 12: ...s the battery indicator appears 4 Indicates negative reading 5 Test of diode 6 The continuity buzzer is on 7 Date hold is active 8 Indicator for AC voltage or current The displayed value is the mean value 3 AC Connect Terminal Indicator of connecting test leads into different input terminals 2 Warning Symbol 12 Model UT58E OPERATING MANUAL ...

Страница 13: ...ee figure 2 hFE The Unit of Transistor Test 10 A Hertz The unit of frequency in cycles second Kilohertz 1 x 103 or 1 000 hertz kHz o C Centigrade temperature o F Fahrenheit temperature o C o F F Farad The unit of capacitance F Microfarad 1 x 10 6 or 0 000001 farads nF Nanofarad 1 x 10 9 or 0 000000001 farads nF F A Microamp 1x 10 6 or 0 000001 amperes 13 Model UT58E OPERATING MANUAL ...

Страница 14: ...RATING MANUAL Measurement Operation 1 To avoid harms to you or damages to the Meter from electric shock never attempt to measure voltages higher than 1000 or 1000V rms although readings may be obtained figure 3 Black Red ...

Страница 15: ...15 Model UT58E OPERATING MANUAL Measurement Operation 2 B DC and AC Current Measurement see figure 4 figure 4 Black Red ...

Страница 16: ...s on the rotary switch 20mA 200mA and 20A 1 Turn off power to the circuit Discharge all high voltage capacitors 2 Insert the red test lead into the 20A or mA input terminal and the black test lead into the COM terminal When you measure current below 200mA please insert the red test lead into the mA input terminal When you measure 200mA or above insert the red test lead into the 20A input terminal ...

Страница 17: ...position and reduce the range step by step until a satisfactory reading is obtained l For safety sake the measuring time for high current should be less than 10 seconds and the interval time between 2 measurements should be greater than 15 minutes l When current measurement has been completed disconnect the connection between the testing leads and the circuit under test and remove the testing lead...

Страница 18: ...Model UT58E OPERATING MANUAL 18 Measurement Operation 5 D Measuring Diodes and Continuity see figure 6 Black Red figure 6 To measure resistance connect the Meter as follows 1 ...

Страница 19: ... sends a current through the semiconductor junction and then measures the voltage drop across the junction A good silicon junction drops between 0 5V and 0 8V Note l In a circuit a good diode should still produce a forward voltage drop reading of 0 5V to 0 8V however the reverse voltage drop reading can vary depending on the resistance of other pathways between the probe tips l Connect the test le...

Страница 20: ...black test lead into the COM terminal 2 Set the rotary switch to 3 Connect the test leads across with the object being measured 4 The buzzer does not sound if the resistance of a circuit under test is 70 The tested circuit resistance value simultaneously shows on the display and the unit is Note l When continuity testing has been completed disconnect the connection between the testing leads and th...

Страница 21: ... been completed disconnect the connection between the testing leads and the circuit under test and remove the testing leads away from the input terminals of the Meter F Temperature Measurement see figure 8 Black Red figure 8 21 Model UT58E OPERATING MANUAL ...

Страница 22: ... temperature connect the Meter as follows 1 Insert the and temperature probe into corresponding V and COM terminal 2 Set the rotary switch to o C 3 Place the temperature probe s tip to the object being measured The measured value shows on the display Note l When there is no temperature probe insert inside the Meter the LCD displays the Meter inside temperature l The included temperature probe can ...

Страница 23: ...ischarged To avoid harms to you never attempt to input voltages higher than 60V DC or 30V rms AC To measure capacitance connect the Meter as follows 1 According to the size of the tested object s leads select multi purpose socket or test clip to insert into the mA and V terminal 2 Set the rotary switch to an appropriate measurement position in Fcx range 3 Insert the tested object into the correspo...

Страница 24: ...ng small capacitance range the correct reading is subtracting the test lead open circuit value from the display value l It is normal to take a longer time when testing a high capacitor value l For testing the capacitor with polarity connect the red clip or red test lead to anode and black clip or black test lead to cathode l It takes some time for zeroing when you switching over the rotary switch ...

Страница 25: ... the multi purpose socket into the V and mA terminal 2 Set the rotary switch to hFE range 3 Insert the NPN or PNP type transistor to be tested into the corresponding jack of the multi purpose socket The measured nearest transistor value shows on the display Note l When transistor measeurement has been completed remove the transistor to be tested away from the multi purpose socket and remove multi ...

Страница 26: ... or noisy readings To use the Hold mode as follows l Press HOLD to enter Hold mode l Press HOLD again to exit Hold mode l In Hold mode H is displayed Sleep Mode To preserve battery life the Meter automatically turns off if you do not turn the rotary switch or press any button for around 15 minutes When the Meter is under sleep mode it consumes 10 A current To activate the Meter press POWER for two...

Страница 27: ...l Relative Humidity 75 0 o C below 30 o C 50 30 o C 40 o C l Altitude Operating 2000m Storage 10000m l Electromagnetic Compatibility In a radio field of 1 V m Overall Accuracy Specified Accuracy 5 of Range in a radio field of more than 1 V m no assigned accuracy is specified l Battery Type One piece of 9V NEDA1604 or 6F22 or 006P l Dimensions 179x88x39mm l Weight Approx 380g including holster and ...

Страница 28: ...28 Model UT58E OPERATING MANUAL ...

Страница 29: ...29 Model UT58E OPERATING MANUAL ...

Страница 30: ...30 Model UT58E OPERATING MANUAL Accuracy Specifications 3 ...

Страница 31: ...31 Model UT58E OPERATING MANUAL Accuracy Specifications 4 H Temperature I Capacitance J Transistor test Testing Conditions Overload Protection 250V rms 3 40 1 30 2 50 hFE ...

Страница 32: ...amage to the Meter do not get water inside the case A General Service l Periodically wipe the case with damp cloth and mild detergent Do not use chemical solvent l To clean the terminals with cotton bar with detergent as dirt or moisture in the terminals can affect readings l Turn the Meter off when it is not in use and take out the battery when not using for a long time l Do not store the Meter i...

Страница 33: ...dentical type and specification and make sure the fuse is fixed firmly in the bracket Fuse 1 0 5A 250V fast type 5x20mm 6 Rejoin the case bottom and case top and reinstall the 3 screws and holster Replacement of the fuses is seldom required Burning of a fuse always results from improper operation 33 Model UT58E OPERATING MANUAL Maintenance 2 C Replacing the Battery see figure 10 Warning To avoid f...

Страница 34: ...tice 3 Remove the 3 screws from the case bottom and separate the case top from the case bottom 4 Remove the battery from the battery connector 5 Replace with a new 9V battery NEDA1604 6F22 or 006P 6 Rejoin the case bottom and case top and reinstall the 3 screws and the holster Maintenance 3 ...

Страница 35: ...35 Model UT58E OPERATING MANUAL ...

Страница 36: ...velopment District Hu Men Town Dong Guan City Guang Dong Province China Headquarters Uni Trend International Limited Address 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 Copyright 2001 Uni Trend International Limited All rights reserved ...

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