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UNI-T UT60A, Руководство по эксплуатации

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UNI-T UT60A Скачать руководство пользователя страница 29

Measurement Operation (11)

4.

The Meter defaults to DC current measurement
mode.  To toggle between DC and AC current
measurement function, press 

BLUE

 button.

AC current is displayed as an mean value (calibrated
against sine wave effective value).

5.

Break the current path to be tested. Connect the
red test lead to the more positive side of the break
and the black test lead to the more negative side of
the break.

6.

Turn on power to the circuit.
The measured value shows on the display.

Note

l

For safety sake, the measuring time for high current
should be  10 seconds for each measurement 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.

Model UT60A: OPERATING MANUAL

 

29

Содержание UT60A

Страница 1: ...uttons Display Symbols Measurement Ranges A Selecting a Measurement Range B Manual Ranging and Autoranging Measurement Operation A AC DC Voltage Measurement B Measuring Continuity Diodes Resistance C Capacitance Measurement D Frequency Duty Cycle Measurement E DC or AC Current Measurement The POWER Button The BLUE Button The Use of Relative Value Mode Operation of Hold Mode General Specifications ...

Страница 2: ...C Replacing the Battery D Replacing the Fuses RS232C Serial Port A RS232C Port Cable B Setting of RS232C Serial Ports C System Requirements for Installing the UT60A Interface Program Title Page 37 37 37 38 39 41 41 41 42 Model UT60A OPERATING MANUAL 2 ...

Страница 3: ...with maximum reading 3999 The enclosure structure design adopted advanced co injection technique in order to provide sufficient insulation In addition to the conventional measuring functions it is equipped with a RS232C standard serial port for easy connection with computer to realize macro recording and monitoring and capture of transient dynamic data displaying change of waveform during the meas...

Страница 4: ...art Item 1 2 3 4 5 Description Operating Manual Test Lead 9V Battery NEDA1604 6F22 or 006P installed RS232C Interface Cable CD ROM Installation Guide Computer Interface Software Qty 1 piece 1 pair 1 piece 1 piece 1 piece In the event you find any missing or damage please contact your dealer immediately Model UT60A OPERATING MANUAL 4 ...

Страница 5: ...d lines cable systems etc 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 on International electrical symbols used on the ...

Страница 6: ... 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 Never working at an effective voltage over 60V in DC or 30V rms in AC for there is danger of electric shock l Use the proper terminals function and...

Страница 7: ...t 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 to prevent the surface of the Meter from corrosion damage and accident l The Meter is suitable for indoor use l Under the environment with high 4kV electrostatic discharge the...

Страница 8: ...g Current DC Direct Current AC or DC Grounding Double Insulated Deficiency of Built In Battery Continuity Test Diode Capacitance Test Fuse Warning Refer to the Operating Manual Conforms to Standards of European Union Model UT60A OPERATING MANUAL 8 ...

Страница 9: ...The Meter Structure Model UT60A OPERATING MANUAL 9 ...

Страница 10: ...Model UT60A OPERATING MANUAL 10 ...

Страница 11: ...Model UT60A OPERATING MANUAL 11 ...

Страница 12: ...Model UT60A OPERATING MANUAL 12 ...

Страница 13: ...Model UT60A OPERATING MANUAL 13 ...

Страница 14: ...Display Symbols 1 Model UT60A OPERATING MANUAL 14 1 kM nFHz VA AC 15 2 3 4 5 6 7 8 9 10 14 16 ...

Страница 15: ...Display Symbols 2 Model UT60A OPERATING MANUAL 15 ...

Страница 16: ...Model UT60A OPERATING MANUAL 16 ...

Страница 17: ...splay the most accurate measurement B Manual Ranging and Autoranging The Meter has both manual range and autorange options l In the autorange mode the Meter selects the best range for the input detected This allows you to switch test points without having to reset the range l In the manual range mode you select the range This allows you to override autorange and lock the Meter in a specific range ...

Страница 18: ...d the Meter wraps to the lowest range 2 To exit the manual range mode press and hold RANGE for over 2 seconds The Meter returns to the autorange mode and is displayed Note l If you manually change the measurement range after entering the REL or Hold modes the Meter exits these modes l Under frequency duty cycle and capacitance measurement only autorange mode is available Model UT60A OPERATING MANU...

Страница 19: ...anges are 4 000V 40 00V 400 0V and 750 0V To measure AC Voltage connect the Meter as follows 1 Insert the red test lead into the HzV terminal and the black test lead into the COM terminal 2 Set the rotary switch to Hz V and press BLUE button to select AC measurement mode 3 Connect the test leads across with the object being measured The measured value shows on the display which is effective value ...

Страница 20: ...ds and the circuit under test DC Voltage Measurement see figure 4 Select figure 4 The DC Voltage ranges are 400 0mV 4 000V 40 00V 400 0V and 1000V To measure DC voltage connect the Meter as follows 1 Insert the red test lead into the HzV terminal and the black test lead into the COM terminal 2 Set the rotary switch to Hz V DC measurement is default or press BLUE button to select DC measurement mod...

Страница 21: ...ity Diodes Resistance 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 continuity diodes resistance Testing for Continuity see figure 5 Select figure 5 To test for continuity connect the Meter as below 1 Insert the red test lead into the HzV terminal and the black test lead into the COM termin...

Страница 22: ...ction and then measures the voltage drop across the junction A good silicon junction drops between 0 5V and 0 8V To test a diode out of a circuit connect the Meter as follows 1 Insert the red test lead into the HzV terminal and the black test lead into the COM terminal 2 Set the rotary switch to and press BLUE button to select measurement mode 3 For forward voltage drop readings on any semiconduct...

Страница 23: ...f diode is Volt V displaying the positive connection voltage drop value l When diode testing has been completed disconnect the connection between the testing leads and the circuit under test Resistance Measurement see figure 7 figure 7 Select The resistance ranges are 400 0 4 000k 40 00k 400 0k 4 000M and 40 00M To measure resistance connect the Meter as follows 1 Insert the red test lead into the...

Страница 24: ...hen the testing leads are short circuited from the reading l For high resistance measurement 1M it is normal taking several seconds to obtain a stable reading l If reading with shorted test leads is not 0 5 check for loose test leads incorrect function selection or enabled Data Hold function l The LCD displays indicating open circuit for the tested resistor or the resistor value is higher than the...

Страница 25: ...OM terminal 2 Set the rotary switch to 3 Connect the test leads across with the object being measured The measured value shows on the display Note l For testing the capacitor with polarity connect the red test lead to anode black test lead to cathode instead l To increase the accuracy of capacitance measurement especially when measuring under 400nF use REL mode to automatically subtract the Meter ...

Страница 26: ...The measured value shows on the display Note l To obtain a stable reading when measuring Input scope 30V rms 1 kHz frequency signal Set the rotary switch to Hz V A Hz mA Hz or Hz A Then press Hz to select Hz measurement mode to obtain frequency value Input scope 30V rms frequency signal Follow the above step 2 carrying out the measurement l When making frequency measurement at voltage or current r...

Страница 27: ...3 Connect the test leads across with the object being measured The measured value shows on the display Note l The LCD displays 000 0 indicating the input signal is high or low level l To obtain a stable reading when measuring Input scope 30V rms 1 kHz frequency signal Set the rotary switch to Hz V A Hz mA Hz or Hz A Then press Hz to select Hz measurement mode to obtain frequency value Input scope ...

Страница 28: ...cuit The current measurement has 3 measurement positions on the rotary switch A Hz mA Hz and Hz A The A Hz has a 400 0µA and 4000µA range with auto ranging the mA Hz has a 40 00mA and 400 0mA range with auto ranging Hz A position has a 4 000A and 10 00A range with auto ranging To measure current do the following 1 Turn off power to the circuit Discharge all high voltage capacitors 2 Insert the red...

Страница 29: ...the more positive side of the break and the black test lead to the more negative side of the break 6 Turn on power to the circuit The measured value shows on the display Note l For safety sake the measuring time for high current should be 10 seconds for each measurement and the interval time between 2 measurements should be greater than 15 minutes l When current measurement has been completed disc...

Страница 30: ... value is 20 0V and the present value is 22 0V the reading would be 2 0V If a new measurement value is equal to the stored value then display 0 0V To enter or exit REL mode l Use rotary switch to select the measurement function before selecting REL If measurement functions change manually after REL is selected the Meter exits the REL mode l Press REL to enter REL mode autoranging turns off except ...

Страница 31: ... without power The Hold mode will not capture unstable or noisy readings The Hold mode is applicable to all measurement functions l Press HOLD H to enter Hold mode the Meter beeps l Press HOLD H again or turn the rotary switch to exit Hold mode the Meter beeps l In Hold mode is displayed Model UT60A OPERATING MANUAL 31 ...

Страница 32: ...6F22 or 006P Display Display Display Display 177 x 85 x 40 mm Approximate 300g battery included IEC61010 CAT III 1000V CAT IV 600V overvoltage and double insulation standard l Fused Protection for 10A Input Terminal l Maximum Display l Measurement Speed l Temperature Operating Storage l Relative Humidity l Altitude Operating l Battery Type l Battery Deficiency l Data Holding l Negative reading l O...

Страница 33: ...rload Protection 4V 1mV 40V 10mV 400V 100mV 1 5 750V 1V 1 2 5 1000V DC 750V AC rms continuous Remarks l Input impedance 10M l Displays effective value of sine wave mean value response l Frequency response 40Hz 400Hz B DC Voltage Range Resolution Accuracy Overload Protection 400mV 0 1mV 0 8 3 4V 1mV 40V 10mV 400V 100mV 0 8 1 1000V 1V 1 3 1000V DC 750V AC rms continuous Remark Input impedance 10M Mo...

Страница 34: ...0 1 1 2 2 4k 1 40k 10 400k 100 1 2 4M 1k 1 2 2 40M 10k 1 5 2 600Vp Remarks l Continuity Test 400 0 Range Buzzer beeps continuously Open circuit voltage approximate 0 45V l Diode Range Open circuit voltage approximate 1 48V Displays approximate forward voltage drop reading 0 5V 0 8V l 400 40M Range Open circuit voltage approximate 0 45V Model UT60A OPERATING MANUAL 34 ...

Страница 35: ...ge Accuracy Range Resolution Accuracy Overload Protection 10Hz 10MHz N A 0 1 3 0 1 99 9 Duty cycle 0 01 600Vp E Frequency Duty Cycle Remarks l 10Hz 10MHz Range Input sensitivity as follows 1MHz 300mV rms 1MHz 600mV rms Maximum input amplitude 30V rms l 0 1 99 9 Range Reading is only for reference purpose N A Model UT60A OPERATING MANUAL 35 ...

Страница 36: ... A 4000 A 1 A 40mA 400mA 0 1mA 4A 0 001A 10A 0 01A 0 1 0 01mA 1 5 5 2 5 2 5 5 Protection Overload 10A 250V fast type Glass fuse 5x20mm Remarks l Frequency response 40Hz 400Hz l Displays effective value of sine wave mean value l 4A 10A Range For continuous measurement 10 seconds and interval time between 2 measurements greater than 15 minutes response Overload Protection 0 5A 250V fast type Glass f...

Страница 37: ...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 Press the POWER to turn off the Meter when it is not in use and take out the battery when not using for a long time l Do not store the Meter in a place of humidity high temperature and strong magnetic field B Testing the Fuses Warning To avoid electric...

Страница 38: ...her value have the Meter serviced and contact your dealer immediately If the Meter does not work while the fuse is all right send it to your dealer for repair C Replacing the Battery see figure 11 figure 11 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 To replace the battery 1 Press the PO...

Страница 39: ...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 Press the POWER to turn the Meter 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 2 rubber feet and 2 screws ...

Страница 40: ...250V fast type Glass fuse 5x20mm Fuse 2 10A 250V fast type Glass fuse 5x20 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 2 screws and 2 rubber feet Replacement of the fuses is seldom required Burning of a fuse always results from improper operation Model UT60A OPERATING MANUAL 40 ...

Страница 41: ... 3 3 2 TD Transmitting Data 4 4 20 DTR Data Terminal Ready 5 5 7 GND Grounding 6 6 6 DSR 7 7 4 RTS 8 8 5 CTS Clear To Send Ready Send B Setting of RS232C Serial Ports Default of RS232C serial port for communication is set as Baud Rate 2400 Start bit 1 always 0 Stop bit 1 always 1 Data bits 8 Parity 1 Odd Data Set Request To Model UT60A OPERATING MANUAL 41 ...

Страница 42: ...itor l Microsoft Windows 95 or above l At least 8MB of RAM l At least 8MB free space in hard drive l Can access to a local or a network CD ROM l A free serial port l A mouse or other pointing device supported by Windows Please refer to the included Installation Guide Computer Interface Software for installing and operating instructions of the UT60A Interface Program END This operating manual is su...

Страница 43: ...Model UT60A OPERATING MANUAL 43 ...

Страница 44: ...ong 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 Model UT60A OPERATING MANUAL 44 Copyright 2001 Uni Trend International Limited All rights reserved ...

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