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UNI-T UT60H Скачать руководство пользователя страница 40

Model UT60H: OPERATING MANUAL

40

MAINTENANCE(3)

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.
Make sure the test leads are disconnected from the
circuit being tested before opening the case bottom.

To replace the battery:

l

Press the

POWER

to turn the Meter off and remove

all connections from the terminals.

l

Remove the screw from the battery compartment,

and separate the battery compartment from the case
bottom.

l

Remove the battery from the battery compartment.

l

Replace with a new 6F22 9V battery .

l

Rejoin the case bottom and battery compartment,

and reinstall the screw.

** END **

This operating manual is subject to change without notice.

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Содержание UT60H

Страница 1: ...Voltage Measurement B AC Voltage Measurement C DC Current Measurement D AC Current Measurement E Measuring Resistance F Testing for Continuity G Testing Diodes H Capacitance Measurement I Frequency Measurement J Temperature Measurement K EF Function L 4 20mA Loop Sleep Mode Operation of Hold Mode The use of Relative Value Mode MAX MIN Mode Low Impedance 200kΩ Button POWER The SELECT Button General...

Страница 2: ...B AC Voltage C DC Current D AC Current E Resistance F Continuity Test G Diode Test H Capacitance I Frequency J Temperature K 4 20mA Loop Maintenance A General Service B Replacing the Fuses C Replacing the Battery 36 37 37 38 38 38 39 Model UT60H OPERATING MANUAL 2 Title ...

Страница 3: ...ultimeter UT60H hereafter referred to as the Meter is a 39999 counts and 4 3 4 digits with steady operations fashionable structure and auto ranging instrument The Meter has analogue bar graph True RMS and full range overload protection The Meter not only can measure AC voltage and current DC voltage and current Resistance Capacitance Temperature Frequency Diodes Continuity 4 20mA Loop EF Function ...

Страница 4: ...ny missing or damaged part Multi Purpose Socket 1 piece Alligator Clip 1 piece 0 5A 250V Fast Type Fuse ø 5x20mm1 piece 10A 250V Fast Type Fuse ø 5x20mm 1 piece 9V Battery NEDA 1604 6F22 006P 1 piece 2 Model UT60H OPERATING MANUAL 4 Item 1 3 4 5 6 7 8 Description English Operating Manual Test Lead K Type nickel chromium nickel silicon Point Contact Temperature Probe Qty 1 piece 1 pair 1 piece ...

Страница 5: ...Model UT60H OPERATING MANUAL 5 ...

Страница 6: ...Meter l Do not apply more than the rated 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 ...

Страница 7: ...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 shock l Use the proper terminals function and range for your measurements l If the value to be measured is unknown use the maximum meas...

Страница 8: ...ter 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 to prevent the surface of the Meter from corrosion damage and accident l The Meter is suitable for indoor use l Turn the Meter off when it is not in use and take out the battery when not...

Страница 9: ...el UT60H OPERATING MANUAL 9 International Electrical Symbols AC or DC Grounding Double Insulated Warning Refer to the Operating Manual Deficiency of Built In Battery Conforms to Standards of European Union ...

Страница 10: ...Model UT60H OPERATING MANUAL 10 The Meter Structure see figure 1 1 EF Sensor front part of the housing 2 LCD Display 3 Functional Buttons 4 Rotary Switch 5 Input Terminals figure 1 ...

Страница 11: ...ge measurement Resistance measurement Diode test Continuity test Capacitance measurement Frequency measurement Hz Temperature measurement UT60G only o C mA AC or DC current measurement range from 10mA to 10 00A A V 4 20mA percent measurement EF Sensor Test AC 50 400V AC signal AC or DC current measurement 0 1µA 4000µA µA AC or DC current measurement 0 01mA 400 0mA ...

Страница 12: ...Functional Buttons ...

Страница 13: ...4 5 6 7 8 9 10 11 3 2 1 15 14 13 12 ...

Страница 14: ......

Страница 15: ...gligible 0 1 or less l Special care should be taken when measuring high voltage l When DC voltage measurement has been completed disconnect the connection between the testing leads and the circuit under test and remove testing leads away from the input terminals of the Meter The DC Voltage ranges are 4V 40V 400V and 1000V To measure DC voltage connect the Meter as follows 1 Insert the red test lea...

Страница 16: ......

Страница 17: ...60V DC or 30V rms If the fuse burns out during measurement the Meter may be damaged or the operator himself may be hurt Use proper terminals function and range for the measurement When the testing leads are connected to the current terminals do not parallel them across any circuit Before the Meter is connected in serial to the in circuit being tested turn off the power of the in circuit Measuremen...

Страница 18: ...d the circuit under test and remove testing leads away from the input terminals of the Meter Measurement Operation 4 D AC Current Measurement see figure 4 Warning Never attempt an in circuit current measurement where the open circuit voltage between terminals and ground is greater than 60V DC or 30V rms If the fuse burns out during measurement the Meter may be damaged or the operator himself may b...

Страница 19: ...eading is obtained l When the measured current is 5A continuous measurement is allowed l When the measured current is between 5A 10A continuous measurement 10 seconds and interval more than 15 minutes l When AC current measurement has been completed disconnect the connection between the testing leads and the circuit under test and remove testing leads away from the input terminals of the Meter ...

Страница 20: ... power and discharge all the high voltage capacitors before measuring resistance figure 5 The resistance ranges are 400Ω 4kΩ 40kΩ 400kΩ 4MΩand 40MΩ To measure resistance connect the Meter as follows 1 Insert the red test lead into the Ω terminal and the black test lead into the COM terminal 2 Set the rotary switch to Ω Press SELECT button to select Ω measurement mode 3 Connect the test leads acros...

Страница 21: ...Model UT60H OPERATING MANUAL 21 Measurement Operation 7 ...

Страница 22: ... avoid damages to the Meter or to the devices under test disconnect circuit power and discharge all the high voltage capacitors before measuring continuity Note l Open circuit voltage around 1 2V and range is 400Ω measurement range When continuity testing has been completed disconnect the connection between the testing leads and the circuit under test and remove the test leads away from the input ...

Страница 23: ...ent through the semicondutor junction then measure the voltage drop across the junction A good silicon junction drops between 0 5V and 0 8V To test the diode out of a circuit connect the Meter as follows 1 Insert the red test lead into the Ω terminal and the black test lead into the COM terminal 2 Set the rotary switch toΩ and press SELECT button to select measurement mode 3 For forward voltage dr...

Страница 24: ... connection voltage drop value l Open circuit voltage approximate 2 8V l When diode testing has been completed disconnect the connection between the testing leads and the circuit under test and remove the test leads away from the input terminals H Capacitance Measurement see figure 8 figure 8 Warning To ensure accuracy the Meter inside is discharged against the tested capacitor DIS C will be shown...

Страница 25: ...isabled when measuring capacitance l It is normal to take a while when measuring high capacitor 400 F The analogue bar graph at this time will show the time left before finishing the measurement l When capacitance measurement has been completed disconnect the connection between the testing leads and the circuit under test and remove the test leads away from the input terminals of the Meter ...

Страница 26: ...surement ranges are 40Hz 400Hz 4kHz 40kHz 400kHz 4MHz 40MHz and 400MHz To measure frequency connect the Meter as follows 1 Insert the red test lead into the Hz terminal and the black test lead into the COM terminal 2 Set the rotary switch to Hz 3 Connect the test leads across with the object being measured The measured value shows on the display l The requirement of Input amplitude a is as follows...

Страница 27: ...erature 2 Insert the multi purpose socket into the Meter as the figure 10 3 Insert the point contact temperature probe into the multi purpose socket 4 Place the temperature probe to the object being measured The measured value shows on the display after several seconds Note l Place the Meter in an environment of 18 23 o C otherwise false reading may be obtained especially in testing low temperatur...

Страница 28: ...asured 3 The LCD displays EF The Analogue bar graph indicates the AC signal between 50 400V The buzzer also beeps in 4 different sounds grading according to the detected signal L 4 20mA Loop To use 4 20mA Loop feature connect the Meter as follows 1 Set the rotary switch to Hz and press SELECT to select measurement mode 2 The rest procedure please follow DC current measurement figure 4 3 According ...

Страница 29: ... MAX MIN or REL button while turning on the Meter Operation of Hold Mode Warning To avoid possibility of electric shock do not use Hold mode to determine if circuits are without power The Hold mode will not capture unstable or noisy readings To use Hold mode follow the following procedure l Press HOLD to enter Hold mode the Meter beeps l Press HOLD again or RANGE or Hz or turn the rotary switch to...

Страница 30: ...y the present measurement value as the stored value The present measurement value obtained later on is the difference of the stored value l Press REL again to display the REL value is displayed on the LCD l Press REL again to step the display through the above sequence l Press REL for more than 1 second to exit REL mode The Meter back to the Auto or Manual ranging measurement mode before entering ...

Страница 31: ...han 3 seconds When the Meter is under V mesaurement ranges press Low imp 200 kΩ button to switch over the input impedance from 10MΩ to around 200kΩ POWER This is a self lock button use to turn on or off the power of the Meter The SELECT Button It uses for selecting the required measurement function when there is more than one function at one position of the rotary switch ...

Страница 32: ...Model UT60H OPERATING MANUAL 32 General Specifications ...

Страница 33: ...Input impedance Approx 10MΩ B AC Voltage Range Resolution Accuracy 1000V 0 001V 0 01V 0 1V 1V 4V 40V 400V 750V 1 5 4 1 4 Overload Protection Remarks l Input impedance Approx 10MΩ l Display a True rms value suitable on range s 10 100 b AC wave peak factor 3 0 1 5 in 1000V range c Input short circuit allows 10 digits remaining reading l Frequency response 45Hz 1kHz ...

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Страница 38: ...neral Service l Periodically wipe the case with a damp cloth and mild detergent Do not use abrasives or solvents l To clean the terminals with cotton bar with detergent as dirt or moisture in the terminals can affect readings l Turn the Meter power off when it is not in use l Take out the battery when it is not using for a long time l Do not use or store the Meter in a place of humidity high tempe...

Страница 39: ...om the case bottom l Remove the fuse by gently prying one end loose then take out the fuse from its bracket l 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 5A 250V fast type fuse φ5x20mm Fuse 2 10A 250V fast type fuse φ5x20mm l Rejoin the case bottom and case top and install the 5 screws and the ru...

Страница 40: ...ted before opening the case bottom To replace the battery l Press the POWER to turn the Meter off and remove all connections from the terminals l Remove the screw from the battery compartment and separate the battery compartment from the case bottom l Remove the battery from the battery compartment l Replace with a new 6F22 9V battery l Rejoin the case bottom and battery compartment and reinstall ...

Страница 41: ...Model UT60H OPERATING MANUAL 41 ...

Страница 42: ...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 2003 Uni Trend International Limited All rights reserved ...

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