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UNI-T UT212, Operating Manual

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UNI-T UT212 Operating Manual Download Page 23

B. AC Voltage

Range  Resolution  Accuracy                                             Remarks

Overload

Protection

4V

40V

400V

1mV

10mV

100mV

(1.2%+5)

(1.5%+5)

60V

1V

600V

 Input impedance:

     Full auto measurement mode:
       When Vx   5V, it is around
      10M .

       When Vx 

> 

5V, it instantly

       transits from 1k  to 10M .
     At high impedance mode:
      around 10M  High impedance
      is mode is 10M .

 Displays effective value of sine

    wave (mean value response).

 Frequency response:

    50Hz~400Hz.
    Testing sensitivity:   AC   1.5V

Model UT212: OPERATING MANUAL

23

Summary of Contents for UT212

Page 1: ...Structure Functional Buttons Display Symbols Measurement Operation A DC AC Voltage Measurement B AC Current Measurement C Measuring Resistance D Using Save Read Clear Features E Sleep Mode General Specifications Accuracy Specifications A DC Voltage Title Page 3 4 5 7 9 10 10 11 13 13 16 17 19 20 20 22 22 Model UT212 OPERATING MANUAL 1 ...

Page 2: ...B AC Voltage C AC Current D Resistance Maintenance A General Service B Replacing the Battery Title Page 23 24 25 26 26 27 Model UT212 OPERATING MANUAL 2 ...

Page 3: ...fety Operation carefully before using the Meter The Model UT212 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 also equips with data save data recall low battery di...

Page 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 UT212 OPERATING MANUAL 4 ...

Page 5: ...ed installation with smaller transient overvoltages than CAT IV Under the influence of Radiated Radio Frequency Electromagnetic Field phenomenon the UT212 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...

Page 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 UT212 OPERATING MANUAL 6 ...

Page 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...

Page 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...

Page 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 UT212 OPERATING MANUAL 9 ...

Page 10: ...nductor 2 LCD Display 3 Function Buttons 4 Input Terminals Button Operation Performed SAVE READ Press to store the data Press to recall the stored data POWER Press to turn the Meter on and off Functional Buttons Below table indicated for information about the functional button operations Model UT212 OPERATING MANUAL 10 ...

Page 11: ...re 2 figure 2 Number Symbol Meaning STANDBY No XX SAVE 1 2 3 4 5 Auto power off is on Standby indicator The number of records are saved Indicator for saving record Indicator for negative reading Model UT212 OPERATING MANUAL 11 ...

Page 12: ...e kilohm 1 x 103 or 1000 ohms Megaohm 1 x 106 or 1 000 000 ohms V A Auto 10 11 The Meter is in the auto range mode in which the Meter automatically selects the range with the best resolution 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 Model UT212 OPERATING MANUAL 12 ...

Page 13: ...r will enter stand by mode and display STANDBY 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 UT212 OPERATING MANUAL 13 ...

Page 14: ...measurement mode The measured value shows on the display 3 When the input voltage is less than 5V the input impedance is around 10M When the voltage is higher than 5V the input impedance will instantly transit from 1k to 10M Semi auto measurement mode Press SAVE button to turn the Meter on the Meter will then enter into voltage measurement mode the input impedance is 10M at this moment The Meter i...

Page 15: ...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 Model UT212 OPERATING MANUAL 15 ...

Page 16: ...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 Note 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 ...

Page 17: ...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 UT212...

Page 18: ...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...

Page 19: ...ent mode or standby mode and to display the last number of saved reading Each presses to view the next saved reading it is in first save last out bases When the first saved reading is displayed press READ button again to return to measurement or standby mode 3 During measurement or standby mode press and hold READ button to clear the saved readings The LCD displays CLR to confirm the operation SAV...

Page 20: ...essing any button except the YELLOW button the Meter displays standby mode symbol 3 The Sleep Mode feature will be invalid under measurement mode Maximum Voltage between any Terminals and Grounding Refer to different range input protection voltage Maximum Current Measurement 400A of Transformer Jaw Auto Function Auto detect Maximum Display Digital 3999 3 3 4 digits Overload Display OL Model UT212 ...

Page 21: ...ing 0 to 40 32 to 104 Storage 10 to 50 14 to 122 Relative Humidity 75 0 to 30 50 30 to 40 Altitude Operating 2000 m Storage 10000 m Battery Type One piece of 9V NEDA1604 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 Certificati...

Page 22: ...DC Voltage Range Resolution Accuracy Remarks Overload Protection 4V 40V 400V 1mV 10mV 100mV 0 8 1 1 3 60V 1V 600V Input impedance Full auto measurement mode When Vx 5V it is around 10M When Vx 5V it instantly transits from 1k to 10M At high impedance mode around 10M Testing sensitivity DC 1V Model UT212 OPERATING MANUAL 22 ...

Page 23: ... impedance Full auto measurement mode When Vx 5V it is around 10M When Vx 5V it instantly transits from 1k to 10M At high impedance mode around 10M High impedance is mode is 10M Displays effective value of sine wave mean value response Frequency response 50Hz 400Hz Testing sensitivity AC 1 5V Model UT212 OPERATING MANUAL 23 ...

Page 24: ...cy Remarks 0 4A input current 20A 3 0 8 20A 2 0 8 200A 1 5 5 200A 1 5 50 40A 400A 10mA 100mA Frequency response 50Hz 60Hz Display effective value of sine wave mean value response Testing sensitivity AC0 4A Model UT212 OPERATING MANUAL 24 ...

Page 25: ... Resistance Range Resolution Accuracy Overload Protection 4k 40k 400k 4M 20M 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 Model UT212 OPERATING MANUAL 25 ...

Page 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 ...

Page 27: ...e 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 screw battery figure 6 t Model UT212 OPERATING MANUAL 27 ...

Page 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 5 Rejoin the case bottom and battery compartment and reinstall the screw Model UT212 OPERATING MANUAL 28 ...

Page 29: ...Model UT212 OPERATING MANUAL 29 ...

Page 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 UT212 OPERATING MANUAL 30 ...

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