Related Manuals for UNI-T UT201
Summary of Contents for UNI-T UT201
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Page 1: Table Of Contents
Model UT201/202: OPERATING MANUAL Table of Contents Title Page Overview Unpacking Inspection Safety Information Rules For Safe Operation International Electrical Symbols The Meter Structure Rotary Switch Functional Buttons The Effectiveness of Functional Buttons Display Symbols Measurement Operation A. DC Voltage Measurement B. - Page 2 Model UT201/202: OPERATING MANUAL...
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Page 3: Overview
To avoid electric shock or personal injury, read the “Safety Information” and “Rules for Safe Operation” carefully before using the Meter. Digital Multimeter Model UT201/202 (hereafter referred to as “the Meter”) are 3 1/2 digits with steady operations, fashionable structure and highly reliable measuring instrument. -
Page 4: Unpacking Inspection
Model UT201/202: 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 1 piece English Operating Manual 1 pair Test Lead Point Contact Temperature Probe... -
Page 5: Safety Information
Model UT201/202: OPERATING MANUAL Safety Information This Meter complies with the standards IEC61010: in pollution degree 2, overvoltage category (CAT. II 600V, CAT. III 300V) and double insulation. CAT. II: Local level, appliance, PORTABLE EQUIPMENT etc., with smaller transient overvoltages than CAT. III. -
Page 6: Rules For Safe Operation
Model UT201/202: OPERATING MANUAL Rules For Safe Operation (1) 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: l 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 7 Model UT201/202: OPERATING MANUAL Rules For Safe Operation (2) 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.
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Page 8: International Electrical Symbols
Model UT201/202: OPERATING MANUAL International Electrical Symbols AC (Alternating 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. -
Page 9: The Meter Structure
Model UT201/202: OPERATING MANUAL The Meter Structure (see figure 1) ( figure 1) Input Terminals LCD Display Functional Buttons Rotary Switch Trigger: press the lever to open the transformer jaws. When the pressure on the lever is released, the jaws will close. -
Page 10: Rotary Switch
Model UT201/202: OPERATING MANUAL Rotary Switch Below table indicated for information about the rotary switch positions. Rotary Function Switch Position Power is turned off. AC/DC voltage measurement. : Diode test. : Continuity test. : Resistance measurement. Temperature measurement (UT202 only) AC current measurement range from 0.001A... -
Page 11: Functional Buttons
Model UT201/202: OPERATING MANUAL Functional Buttons(1) Below table indicated for information about the functional button operations. voltage measurement. l Press HOLD to enter and exit the HOLD Hold mode in any mode, the Meter beeps. l Press and hold HOLD... -
Page 12: The Effectiveness Of Functional Buttons
Model UT201/202: OPERATING MANUAL The Effectiveness of Functional Buttons Not every functional buttons can be used on every rotary switch positions. Below two tables describe which functional buttons can be used on which rotary switch positions Model: UT201 Rotary Switch... -
Page 13: Display Symbols
Model UT201/202: OPERATING MANUAL Display Symbols(1) (see figure 2) Symbol Meaning Indicator for AC voltage or current Indicator for DC voltage 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 14 Model UT201/202: OPERATING MANUAL Display Symbols(2) (see figure 2) Symbol Meaning Amperes (amps). The unit of current. mV, V Volts. The unit of voltage.mV: Millivolt. 1x10 or 0.001 volts Indicates negative reading The input value is too large for the...
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Page 15: Measurement Operation
Model UT201/202: OPERATING MANUAL Measurement Operation(1) A. DC Voltage Measurement (see figure 3) black ( figure 3) Warning To avoid harms to you or damages to the Meter from eletric shock, do not attempt to measure voltages higher than 600V AC/DC, although readings may be obtained. -
Page 16: Ac Voltage Measurement
Model UT201/202: OPERATING MANUAL Measurement Operation(2) l When DC voltage measurement has been completed, disconnect the connection between the testing leads and the circuit under test and remove testing leads from the input terminals. B. AC Voltage Measurement (see figure 4) -
Page 17: Measuring Resistance
Model UT201/202: OPERATING MANUAL Measurement Operation(3) Note l In each range, the Meter has an input impedance of 10M . This loading effect can cause measurement errors in high impedance circuits. If the circuit impedance is less than or equal to 10k , the error is negligible (0.1 or less). - Page 18 Model UT201/202: OPERATING MANUAL Measurement Operation(4) The resistance ranges are: 200.0 , 2.000k , 20.00k ,200k ,2.000M and 20.00M . To measure resistance, connect the Meter as follows: 1. Insert the red test lead into the terminal and the black test lead into the COM terminal.
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Page 19: Testing Diodes
Model UT201/202: OPERATING MANUAL Measurement Operation(5) D.Testing Diodes (see figure 6) black Warning To avoid damages to the Meter or to the devices under test, disconnect circuit power and discharge all the high-voltage capacitors before testing diodes. Use the diode test to check diodes, transistors, and other semiconductor devices. -
Page 20: Testing For Continuity
Model UT201/202: OPERATING MANUAL Measurement Operation(6) Note l In a circuit, a good diode should still produce a forward voltage drop reading of 0.5V to 0.8; however, the reverse voltage drop reading can vary depending on the resistance of other pathways between the probe tips. - Page 21 Model UT201/202: OPERATING MANUAL Measurement Operation(7) 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. To test for continuity, connect the Meter as follows: 1.
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Page 22: Temperature Measurement
Model UT201/202: OPERATING MANUAL Measurement Operation(8) Temperature Measurement (UT202 Only) (see figure 8) black The temperature measurement ranges are -40 C~1000 and -40 F~1832 To measure temperature, connect the Meter as follows: 1. Insert the red temperature probe into the terminal and the black temperature probe into the COM terminal. -
Page 23: Ac Current Measurement
Model UT201/202: OPERATING MANUAL Measurement Operation(9) G. AC Current Measurement (see figure 9) Warning To avoid electric shock, never measure current while the test leads are inserted into the input terminals and disconnect test leads and tested circuit connection. Never attempt an in-circuit current measuremnet... - Page 24 Model UT201/202: OPERATING MANUAL Measurement Operation(10) Note: l To obtain accurate reading, measure only one conductor at each time. l When current measurement has been completed, disconnect the connection between the conductor under test and the jaw, and remove the conductor...
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Page 25: Sleep Mode
Model UT201/202: OPERATING MANUAL 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. The Meter can be activated by turning the rotary switch... -
Page 26: Specifications
Model UT201/202: OPERATING MANUAL Specifications A.General Specifications: l Maximum voltage including transient overvoltage between any terminals and grounding: 500V rms. l Display: 3 1/2 digits LCD display, Maximum display 1999 l Auto Polarity Display l Overloading : Display OL or –OL... -
Page 27: Accuracy Specifications
Model UT201/202: OPERATING MANUAL Accurate Specifications(1) Accuracy: (a% reading + b digits), guarantee for 1 year. Operating temperature: 23 Relative humidity: 75%R.H Temperature coefficient: 0.1x(specified accuracy)/1 A. AC Voltage: Auto ranging Overload Accuracy Range Resolution Protection 2.000V (1.2%+5) 20.00V 10mV 600V rms 200.0V... -
Page 28: Resistance
Model UT201/202: OPERATING MANUAL Accurate Specifications(2) C. Resistance: Auto ranging Overload Accuracy Range Resolution Protection (1.2%+2) 200.0 100m 2.000k (1%+2) 20.00k 600Vp 200.0k 2.000M (1.2%+2) (1.5%+2) 20.00M Remarks: Input impedance: 10M D. Continuity Test Overload Accuracy Range Resolution Protection Around... -
Page 29: Temperature
Model UT201/202: OPERATING MANUAL Accurate Specifications(3) F. Temperature (UT202 Only): Overload Range Resolution Accuracy Protection -40~0 (3%+4) 0~400 -40~1000 (1%+3) 400~1000 (2%+10) 600Vp -40~32 (3%+8) F~1832 F~752 (1%+6) F~1832 (2%+18) G. AC Current: Auto ranging Overload Frequency Range Resolution Accuracy... -
Page 30: Maintenance
Model UT201/202: OPERATING MANUAL MAINTENANCE(1) This section provides basic maintenance information including battery 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 31 Model UT201/202: OPERATING MANUAL MAINTENANCE(2) 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 transformer jaw and the tets leads are disconected from the circuit being tested before opening the case bottom.
- Page 32 Model UT201/202: OPERATING MANUAL Copyright 2001 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...