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Table of Contents

Title

Page

Overview
Unpacking Inspection
Safety Information
Rules For Safe Operation
International Electrical Symbols
The Meter Structure
Functional Buttons
Display Symbols
Measurement Operation
A. DC & AC Voltage Measurement
B. AC Current Measurement
C. Measuring Resistance
D. Frequency and Duty Cycle Measurement
E. Operation of Hold Mode
General Specifications
Accuracy Specifications
A. DC Voltage

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Model UT211: OPERATING MANUAL

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Содержание UT211

Страница 1: ...r Structure Functional Buttons Display Symbols Measurement Operation A DC AC Voltage Measurement B AC Current Measurement C Measuring Resistance D Frequency and Duty Cycle Measurement E Operation of Hold Mode General Specifications Accuracy Specifications A DC Voltage 3 4 5 7 9 10 10 11 13 13 15 16 18 18 20 22 22 Model UT211 OPERATING MANUAL 1 ...

Страница 2: ...Title Page B AC Voltage C AC Current D Resistance E Frequency F Duty Cycle Maintenance A General Service B Replacing the Battery 23 23 24 25 25 26 26 26 Model UT211 OPERATING MANUAL 2 ...

Страница 3: ... Safety Operation carefully before using the Meter The Model UT211 hereafter referred to as the Meter are a 3999 counts 3 3 4 digits auto clamp multimeter they auto sense on AC DC voltage AC current and resistance measurement They have full range overload protection and special outlook design They are such a smart electrical testing clamp meter It equips also with frequency duty cycle low battery ...

Страница 4: ...refully to see any missing or damaged part Item Description Qty 1 2 Operating Manual Test Lead 1 piece 1 pair In the event you find any missing or damage please contact your dealer immediately 9V Battery NEDA 1604 6F22 or 0006P installed inside the Meter 1 piece 3 Model UT211 OPERATING MANUAL 4 ...

Страница 5: ...ed installation with smaller transient overvoltages than CAT IV Under the influence of Radiated Radio Frequency Electromagnetic Field phenomenon the UT211 may malfunction and can self recover after the test 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 haza...

Страница 6: ...A Note identifies the information that user should pay attention on International electrical symbols used on the Meter and in this Operating Manual are explained on page 9 Model UT211 OPERATING MANUAL 6 ...

Страница 7: ...k for cracks or missing plastic Pay attention to the insulation around the connectors Inspect the test leads for damaged insulation or exposed metal Check the test leads for continuity Replace damaged test leads with identical model number or electrical specifications before using the Meter Do not apply more than the rated voltage 600V between the terminals or between any terminal and grounding Wh...

Страница 8: ...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 off when it is not...

Страница 9: ...le and strong magnetic field The performance of the Meter may deteriorate after dampened Deficiency of Built In Battery AC or DC Grounding The allowed removable dangerous voltages existed between the leads Conforms to Standards of European Union Warning Refer to the Operating Manual Double Insulated Model UT211 OPERATING MANUAL 9 ...

Страница 10: ...ction Buttons 4 Input Terminals Functional Buttons Button Operation Performed Hz HOLD Press to select Frequency or Duty Cycle measurement mode Press HOLD to enter the Hold mode in any mode Press to turn the Meter on and off POWER 2 3 1 4 Below table indicated for information about the functional button operations Model UT211 OPERATING MANUAL 10 ...

Страница 11: ... 2 figure 2 Number Symbol Meaning Hz HOLD AC DC 1 2 3 4 5 Frequency and duty cycle measurement Data hold is active Indicator for negative reading Indicator for AC Voltage Indicator for DC Voltage Model UT211 OPERATING MANUAL 11 ...

Страница 12: ...tance Kilohm 1 x 103 or 1000 ohms Mega ohm 1 x 106 or 1 000 000 ohms 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 V A Hz Volts The unit of voltage Indicator for AC current Hertz The unit of frequency Percent Used for duty cycle measurements Model UT211 OPERATING MANUAL ...

Страница 13: ...isplay OL A DC and AC Voltage Measurement See figure 3 figure 3 Warning To avoid harms to you or damages to the Meter from electric shock please do not attempt to measure voltages higher than 600V although readings may be obtained When measure high voltages take extra care to avoid electric shock red black Model UT211 OPERATING MANUAL 13 ...

Страница 14: ...e is higher than AC1 4V or DC voltage is higher than 1 4V the Meter will automatically enter the voltages measurement mode The measured value shows on the display Input Impedance is around 10M When DC and AC voltage measurement has 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 No...

Страница 15: ...r jaw like figure 5 4 When the tested current is greater than AC0 4A the Meter will automatically enter current testing mode The measured value shows on the display it is a effective value of sine wave mean value response When current measurement has been completed disconnect the connection between the conductor under test and the jaw and remove the conductor away from the transformer jaw of the M...

Страница 16: ...e When the Meter working at an effective voltage over 60V in DC or 30V in AC special care should be taken for there is danger of electric shock 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 2 Connect the test leads across with the object being measured The measured value shows on the display Model UT211...

Страница 17: ...any other reasons The LCD displays OL indicating open circuit or the tested resistor or the resistor value is higher than the maximum range of the Meter For high resistance measurement 1M it is normal to take several seconds to obtain a stable reading In order to obtain stable reading try to use as short as test lead possible When resistance measurement has been completed disconnect the connection...

Страница 18: ...uare wave voltage the LCD display will switch to duty cycle measurement mode from voltage measurement mode E Operation of Hold Mode During current measurement Press HOLD when the Meter is under current measurement mode the measured data will be hold When the measuring signal is removed the hold data remains unchanged Press HOLD again the hold data will be disappeared and the Meter automatically en...

Страница 19: ...ring signal is removed the hold data will be disappeared The Meter automatically enters resistance measurement mode Resistance measurement Press HOLD when the Meter is under resistance measurement mode the measured data will be hold When the measuring signal is removed the hold data remains unchanged Press HOLD again the hold data will be disappeared Model UT211 OPERATING MANUAL 19 ...

Страница 20: ... 3 3 4 digits Overload Display OL Range Auto Polarity Display Auto Measurement Speed Updates 2 3 times second Below 1V m electrostatic discharge Accuracy specified accuracy 5 of the range Over 1V m electrostatic discharge Without specified accuracy Temperature Operating 0 to 40 32 to 104 Storage 10 to 50 14 to 122 Relative Humidity 5 0 to 30 50 30 to 40 Model UT211 OPERATING MANUAL 20 General Spec...

Страница 21: ...EDA1604 or 6F22 or 006P Battery Deficiency Display Dimensions HxWxL 210mm x 75 6mm x 30mm Weight Approximate 300g battery included Safety Compliances IEC61010 CAT II 600V CAT III 300V overvoltage and double insulation standard Certifications Model UT211 OPERATING MANUAL 21 ...

Страница 22: ...y Remarks Overload Protection 4V 40V 400V 1mV 10mV 100mV 0 8 1 1 3 60V 1V 600V Input impedance Around 10M Testing sensitivity DC 1 4V Accuracy a reading b digits guarantee for 1 year Operating temperature 23 5 Relative humidity 75 Model UT211 OPERATING MANUAL 22 ...

Страница 23: ...alue of sine wave mean value response Frequency response 50Hz 400Hz Testing sensitivity AC1 4V C AC Current Range Resolution Accuracy Remarks 40A 400A 10mA 100mA 20A 2 0 8 200A 1 5 5 200A 1 5 50 0 4A input current 20A 3 0 8 Frequency response 50Hz 60Hz Display effective value of sine wave mean value response Testing sensitivity AC0 4A Model UT211 OPERATING MANUAL 23 ...

Страница 24: ...ange Resolution Accuracy Overload Protection 4k 40k 400k 4M 40M 600Vp 400 1 10 100 1k 10k 0 1 1 2 2 test lead short circuit resistance value 1 0 2 1 2 2 1 5 2 D Resistance Model UT211 OPERATING MANUAL 24 ...

Страница 25: ...E Frequency Range Resolution Accuracy Overload Protection 1kHz 1Hz 1 3 600Vp F Duty Cycle Range Resolution Accuracy Overload Protection 99 9 0 1 For reference only 600Vp Model UT211 OPERATING MANUAL 25 ...

Страница 26: ... 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 off when it is not in use Take out the battery when it is not using for a long time Do not use or store the Meter in a ...

Страница 27: ...ce the battery as soon as the battery indicator appears or no display when turning on the Meter Make sure the transformer jaw and the test leads are disconnected from the circuit being tested before opening the case bottom Make sure the test leads are removed from the input terminals serew battery figure 6 Model UT211 OPERATING MANUAL 27 ...

Страница 28: ... from the terminals 2 Remove the screw from the battery compartment and separate the battery compartment from the case bottom 3 Remove the battery from the battery compartment 4 Replace the battery with a new 9V battery NEDA1604 6F22 or 006P Rejoin the case bottom and battery compartment and reinstall the screw Model UT211 OPERATING MANUAL 28 ...

Страница 29: ...Model UT211 OPERATING MANUAL 29 ...

Страница 30: ...n 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 Model UT211 OPERATING MANUAL 30 ...

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