UNI-T UT209, Operating Manual

Page 1: ...Model UT209 OPERATING MANUAL ...

Page 2: ...ls The Meter Structure Functional Buttons The Effectiveness of Functional Buttons Display Symbols Measurement Operation A DC AC Voltage Measurement B Measuring Resistance C Testing Diodes D Testing for Continuity E Frequency Measurement F DC Current Measurement 3 4 5 6 9 10 11 13 14 17 17 19 21 23 25 27 Model UT209 OPERATING MANUAL 1 ...

Page 3: ...p Mode Specifications A General Specifications B Environmental Requirements Accuracy Specifications A DC Voltage B AC Voltage C Resistance D Diode Test E Continuity Test F Frequency G DC Current H AC Current Maintenance A General Service B Replacing the Battery Model UT209 OPERATING MANUAL 2 ...

Page 4: ...on carefully before using the Meter Digital Clamp Multimeter Model UT209 hereafter referred to as the Meter are 3 3 4 digits with steady operations fashionable structure and highly reliable measuring instrument The Meter uses large scale of integrated circuit with double integrated A D converter as its core and has full range overload protection The Meter can measure AC DC Voltage AC DC Current Fr...

Page 5: ...4A or 6LF22 1 piece 1 pair 1 piece 1 piece Unpacking Inspection Open the package case and take out the Meter Check the following items carefully to see any missing or damaged part In the event you find any missing or damage please contact your dealer immediately Model UT209 OPERATING MANUAL 4 ...

Page 6: ...h smaller transient overvoltages than CAT IV 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 to International electrical s...

Page 7: ...ads 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 that the rated voltage as marked on the Meter between the terminals or between any terminal and grounding When measurement has been completed disconnect the connection between the test leads and ...

Page 8: ...e for your measurements Do not use or store the Meter in an environment of high temperature humidity explosive inflammable and strong magnetic field The performance of the Meter may deteriorate after dampened When using the test leads keep your fingers behind the finger guards To avoid electric shock do not touch the bare wires connectors unused input terminals or the circuit under testing during ...

Page 9: ...e 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 The Meter is suitable for indoor use Turn the Meter off when it is not in use and take out the battery when not using for a long time Constantly check the battery as it may leak when it has been using for some time replace the battery as soon as leakin...

Page 10: ...g Current DC Direct Current AC or DC Grounding Double Insulated Warning Refer to the Operating Manual Deficiency of Built In Battery Continuity Test Diode Danger of High Voltage Conforms to Standards of European Union Model UT209 OPERATING MANUAL 9 ...

Page 11: ...aws When the pressure on the lever is released the jaws will close Functional Buttons Input Terminals LCD Display Rotary Switch Transformer Jaw designed to pick up the AC and DC current flowing through the conductor It could transfer current to voltage The tested conductor must vertically go through the Jaw center 1 2 3 4 5 6 7 Model UT209 OPERATING MANUAL 10 ...

Page 12: ...ctional Buttons Below table indicated for information about the functional button operations Press and hold for 2 seconds to enter that function internal calibration Press the button once to start recording of maximum peak value Press the button again to start recording of minimum peak value Press and hold for one second to exit PMAX PMIN mode Press once to turn the display backlight on It will au...

Page 13: ... again to display the stored value Press and hold ZERO to exit and back to normal operation Turn the rotary switch or press SELECT button can also exit Hold mode Press HOLD button for 2 seconds when turning on the Meter to display full icon When the Meter is at V A and A press the button to measure frequency But the frequency readings obtained from these ranges are only for reference Model UT209 O...

Page 14: ...ry Switch Positions V Functional Buttons N A N A The Effectiveness of Functional Buttons Not every functional buttons can be used on every rotary switch positions Below table describe which functional buttons can be used on which rotary switch positions Model UT209 OPERATING MANUAL 13 ...

Page 15: ...Figure 2 Display Symbols see figure 2 Model UT209 OPERATING MANUAL 14 ...

Page 16: ...1000 ohms M Megohm 1 106 or 1 000 000 ohms Maximum peak reading displayed Minimum peak reading displayed Indicator for relative value zeroing Data hold is active The Meter is in the auto range mode in which the Meter automatically selects the range with the best resolution True RMS indicator Indicator for AC voltage or current Indicates negative reading Indicator for DC voltage H AUTO RMS AC DC Mo...

Page 17: ...lectric shock or personal injury replace the battery as soon as the battery indicator appears Sleep mode is on Analogue bar graph ruler Analogue Bar Graph Test of diode The continuity buzzer is on Amperes amps The unit of current Volts The unit of voltage mV Millivolt 1 10 3 or 0 001 volts A mV V Model UT209 OPERATING MANUAL 16 ...

Page 18: ...ric shock do not attempt to measure voltages higher than 600V AC DC although readings may be obtained The DC Voltage ranges are 400mV 4V 40V 400V and 600V The AC Voltage ranges are 400mV 4V 40V 400V and 600V Red Black Red Black Measurement Operation Figure 3 Warning Model UT209 OPERATING MANUAL 17 ...

Page 19: ...measurement mode Press Hz button to measure frequency but the frequency readings obtained from this range is only for reference Connect the test leads across with the object being measured The measured value shows on the display 1 2 3 4 Note When DC AC voltage measurement has been completed disconnect the connection between the testing leads and the circuit under test and remove testing leads from...

Page 20: ...suring resistance The resistance ranges are 400 4k 40k 400k and 40M To measure resistance connect the Meter as follows Insert the red test lead into the V Hz terminal and black test lead into the COM terminal Set the rotary switch to Resistance measurement is a default or press SELECT to switch to measurement mode 1 2 Red Black Figure 4 Warning Model UT209 OPERATING MANUAL 19 ...

Page 21: ... obtain a more precise reading you could remove the objects being tested from the circuit when measuring When resistance measurement has been completed disconnect the connection between the testing leads and the circuit under test and remove testing leads from the input terminals Model UT209 OPERATING MANUAL 20 ...

Page 22: ...oltage capacitors before testing diodes Use the diode test to check diodes transistors and other semiconductor devices The diode test sends a current through the semicondutor junction then measure the voltage drop across the junction A good silicon junction drops between 0 5V and 0 8V Red Black Figure 5 Warning Model UT209 OPERATING MANUAL 21 ...

Page 23: ...component s anode and place the black test lead on the component s cathode 1 2 3 Note To obtain a more precise reading you could remove the objects being tested from the circuit when measuring When diode testing has been completed disconnect the connection between the testing leads and the circuit under test and remove testing leads from the input terminals To test the diode out of a circuit conne...

Page 24: ...ert the red test lead into the V Hz terminal and the black test lead into the COM terminal Set the rotary switch to and press SELECT button to select measurement mode The buzzer sounds if the resistance of a circuit under test is less than 30 The buzzer may or may not sound if the resistance of a circuit under test is between 30 to 100 The buzzer does not sound if the resistance of 1 2 3 4 5 Red B...

Page 25: ... higher than 100 Note When continuity testing has been completed disconnect the connection between the testing leads and the circuit under test and remove testing leads from the input terminals Model UT209 OPERATING MANUAL 24 ...

Page 26: ...The frequency ranges are 4kHz 40kHz 400kHz 4MHz and 40MHz Insert the red test lead into the V Hz terminal and the black test lead into the COM terminal Set the rotary switch to Hz Connect the test leads across with the object being measured The measured value shows on the display 1 2 3 To measure frequency connect the Meter as follows Red Black Figure 7 Warning Model UT209 OPERATING MANUAL 25 ...

Page 27: ...ceed 30Vrms When frequency 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 UT209 OPERATING MANUAL 26 ...

Page 28: ...the Meter is at 400A range the LCD displays 00 00 Press ZERO for zeroing if it does not display zero It allows 10 bouncing digits after zeroing When the Meter is at 1000A range it automatically separate 400A and 1000A range The initial stage is 400A the Meter displays 0 0 Press ZERO for zeroing if it does 1 2 3 To measure current do the following Warning Figure 8 Model UT209 OPERATING MANUAL 27 ...

Page 29: ...d is placed at the center of the transformer jaw otherwise it will casue deviation The Meter can only measure one conductor at a time to meausre more than one condutor at a time will cause deviation 4 5 6 Below testnig method can obtain more accurate DC current Power off the tested conductor current Press the lever to open the transformer jaw Center the conductor within the transformer jaw then re...

Page 30: ... out the reading after the Meter is stable 6 This DC currrent measurment result is more accurate The Meter adopts relative value zeroing When measuring DC current if the reading is positive then the current direction is from up to down see figure 9 the front case face up while the bottom case face down When current measurement has been completed disconnect the connection between the conductor unde...

Page 31: ...nts are very senstive not only to the magnet but also to heat and machines reaction force Any shock will cause the changing in reading in the short time Press the lever to open the transformer jaw Center the conductor within the transformer jaw then release the Meter slowly until the trasnformer jaw is completely closed Make sure the conductor to be tested is placed at the center of 1 2 3 4 Figure...

Page 32: ...he stated accuracy 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 Meter the transformer jaw otherwise it will casue deviation The Meter can only measure one conductor at a time to meausre more than one condutor at a time will cause deviation When the measuring current 1...

Page 33: ...ep just before entering Sleep Mode The Meter can be activated by turning the rotary switch or pressing the button except the button details see the The Effectiveness of Functional Buttons on page 11 12 If the Meter is activated by pressing button the Meter will keep the measurement value before entering Sleep Mode Press PMAX PMIN ZERO or Hz to turn on the Meter can disable the Sleep Mode feature M...

Page 34: ...conductor being meaured is not placed in the center of the jaw during AC DC current measurement it will cause extra 1 deviation based on the stated accuracy l Drop Test 1 meter drop test passed l Max Jaw Size 55mm diameter l Projected Max Current conductor size 45mm diameter l Electro Magnetic When carrying out measurement near the electro magnetic it may cause unstable or wrong reading l Power 1 ...

Page 35: ...ntal Requirements l The Meter is suitable for indoor use l Altitude Operating 2000m Storage 10000m l Safety Compliances IEC 61010 CAT II 600V CAT III 300V over voltage and double insulation standard pollution degree 2 l Temperature and humidity Operating 0 30 80 R H 30 40 75 R H 40 50 45 R H Storage 20 60 80 R H Model UT209 OPERATING MANUAL 34 ...

Page 36: ...emperature 23 5 Relative humidity 85 R H Temperature coefficient 0 1 specified accuracy 1 A DC Voltage Range 400mV 4V 40V 400V 600V Resolution 0 1mV 0 001V 0 01V 0 1V 1V Accuracy 0 8 3 0 8 1 1 3 Overload protection 600V DC AC Remark Input Impedance 10MΩ Model UT209 OPERATING MANUAL 35 ...

Page 37: ... 1 2 5 1 5 5 Overload protection 600V DC AC Remarks Input Impedance 10MΩ Frequency Response 400mV range 50 100Hz Other ranges 40Hz 400Hz Change to AC Couple AC and True RMS response method Input sine wave to adjust Non sine wave must follow the below data to adjust Model UT209 OPERATING MANUAL 36 ...

Page 38: ...2 0 2 5 add 2 5 on the stated accuracy Peak factor 2 5 3 0 add 4 0 on the stated accuracy C Resistance Range 400Ω 4kΩ 40kΩ 400kΩ 4MΩ 40MΩ Resolution 0 1Ω 1Ω 10Ω 100Ω 1kΩ 10kΩ Accuracy 1 2 2 1 2 1 2 2 1 5 2 Overload protection 250VAC Model UT209 OPERATING MANUAL 37 ...

Page 39: ...y l The buzzer sounds if the resistance of a circuit under test is less than 30Ω l The buzzer may or may not sound if the resistance of a circuit under test is between 30Ω to 100Ω l The buzzer does not sound if the resistance of a circuit under test is higher than 100Ω Open circuit voltage approx 1 2V Overload protection 250VAC Model UT209 OPERATING MANUAL 38 ...

Page 40: ...00kHz 300mV rms When 100kHz 600mV rms l Input amplitude a 300mV a 30V rms F Frequency Range 4kHz 40kHz 400kHz 4MHz 40MHz Resolution 0 001kHz 0 01kHz 0 1kHz 0 001MHz 0 01MHz Accuracy 0 1 3 Overload protection 250VAC Model UT209 OPERATING MANUAL 39 ...

Page 41: ...ent Range 40A 1000A Resolution 0 01A 1A Accuracy 2 40 2 8 Overload protection 250VAC H AC Current Range 40A 1000A Resolution 0 01A 1A Accuracy 2 40 2 8 Overload protection 250VAC Model UT209 OPERATING MANUAL 40 ...

Page 42: ...e to the Meter do not get water inside the case 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 power 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 plac...

Page 43: ... 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 Figure 10 B Replacing the Battery see figure 10 Warning Model UT209 OPERATING MANUAL 42 ...

Page 44: ... Meter s front case down 3 Remove the screw from the battery compartment and separate the battery compartment from the case bottom 4 Take out the old battery and replace with a new 9V battery 6LF22 1604A 5 Rejoin the case bottom and the battery compartment and reinstall the screw Model UT209 OPERATING MANUAL 43 ...

Page 45: ... END This operating manual is subject to change without notice Model UT209 OPERATING MANUAL 44 ...

Page 46: ...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 UT209 OPERATING MANUAL 45 ...