Tenma 72-10405, Operating Manual

Page 1: ...72 10405 72 10415 Operating Manual Digital Multimeters P N 110401108731X REV 0 DATE 2019 3 2 72 14625 ...

Page 2: ...onal Electrical Symbols The Meter Structure Rotary Switch Functional Buttons Display Symbols Measurement Operation A DC AC Voltage Measurement B DC AC Current Measurement C Measuring Resistance D Testing for Continuity E Testing Diodes F Capacitance Measurement G Frequency Measurement H Temperature Measurement 1 Model 72 10405 72 14625 72 10415 OPERATING MANUAL ...

Page 3: ...ton PEAK Button Data Outputting The Use of Relative Value Mode The BLUE Button Turning on the Display Backlight Sleep Mode General Specifications Accuracy Specifications A DC Voltage B AC Voltage C DC Current D AC Current E Resistance Title Page 2 Model 72 10405 72 14625 72 10415 OPERATING MANUAL ...

Page 4: ...59 61 A Replacing the Battery B Replacing the Fuses Title Page 54 56 57 57 58 F Capacitance G Frequency H Diode Test I Continuity Test J Temperature 3 Model 72 10405 72 14625 72 10415 OPERATING MANUAL ...

Page 5: ... 14625 and 72 10415 This Operating Manual covers information on safety and cautions Please read the relevant information carefully and observe all the Warnings and Notes strictly Warning 4 measuring functions this meters includes a USB interface data hold relative Model 72 10405 72 14625 72 10415 OPERATING MANUAL ...

Page 6: ...packing Inspection Open the package case and take out the Meter Check the following items carefully to see any missing or damaged part Description Operating Manual Test Lead Point Contact K type Temperature Probe 72 10405 only Multi Purpose Socket 9V Battery NEDA1604 6F22 or 0006P installed inside the Meter Item 1 2 3 4 5 6 7 Qty 1 piece 1 pair 1 piece 1 piece 1 piece 5 Model 72 10405 72 14625 72 ...

Page 7: ...IV Primary supply level overhead 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 ...

Page 8: ...n or exposed metal Check the test leads for continuity Replace damaged test leads with identical model or electrical specifications before using the Meter l Do not apply more than the rated voltage 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 measurem...

Page 9: ...reliably turn the current to be tested on l Replace the battery as soon as the battery indicator appears W ith a low battery the Meter might produce false readings that can lead to electric shock and personal injury l When servicing the Meter use only the same model number or identical electrical specifications replacement parts l The internal circuit of the Meter shall not be altered at will to a...

Page 10: ...eak when it has been using for some time replace the battery as soon as leaking appears A leaking battery will damage the Meter International Electrical Symbols AC or DC Double Insulated Warning Refer to the Operating Manual Grounding Deficiency of Built In Battery Conforms to Standards of European Union 9 Model 72 10405 72 14625 72 10415 OPERATING MANUAL ...

Page 11: ...LCD Display Functional Buttons Blue button Rotary Switch Input Terminal figure 1 1 2 3 4 5 10 Model 72 10405 72 14625 72 10415 OPERATING MANUAL ...

Page 12: ...C Voltage Measurement 72 14625 only Resistance Measurement Diode Test Continuity Test Capacitance Test Frequency and Duty Cycle Test Temperature in Celsius 72 10405 only Temperature in Fahrenheit 72 10405 only DCA and ACA Measurement DCmA and ACmA Measurement 10A DC and AC Measurement Power off OFF mV 11 Model 72 10405 72 14625 72 10415 OPERATING MANUAL ...

Page 13: ...lay backlight on or off Press to enter or exit data hold mode Press to select the alternate feature Press RANGE to enter the manual ranging mode the Meter beeps Press RANGE to step through the ranges available for the selected function the Meter beeps Press and hold RANGE for 2 seconds to return to autoranging the Meter beeps Press again to exit REL mode Press to enter REL mode Button Hold BLUE Bu...

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Page 16: ...Measurement Operation A DC AC Voltage Measurement See figure 2 figure 2 15 Model 72 10405 72 14625 72 10415 OPERATING MANUAL ...

Page 17: ...d 72 10415 If online frequency and duty cycle values are needed at this moment only press Hz button to obtain relative data However input amplitude concerning these two aspects should follow requirements as below Model 72 10405 72 14625 72 10415 OPERATING MANUAL ...

Page 18: ...pedance is less than or equal to 10k the error is negligible 0 1 or less l For 72 10405 When measuring mV you must press RANGE manually to enter mV range l When 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 17 Model 72 10405 72 14625 72 10415 OPERATING MAN...

Page 19: ...B DC AC Current Measurement See figure 3 figure 3 A 18 Model 72 10405 72 14625 72 10415 OPERATING MANUAL ...

Page 20: ...rrent terminals do not parallel them across any circuit To measure current do the following 1 Insert the red test lead into the mA or A input terminal and the black test lead into the COM terminal 2 Set the rotary switch to A mA or A 3 The Meter defaults to DC current measurement mode To toggle between DC and AC current measurement function press BLUE button 4 Connect the test lead in serial to th...

Page 21: ...ed is unknown use the maximum measurement position and reduce the range step by step until a satisfactory reading is obtained For safety sake each measurement time for 5A current should be less than 10 seconds and the interval time between 2 measurements should be greater than 15 minutes When current measurement has been completed disconnect the connection between the testing leads and the circuit...

Page 22: ...C Measuring Resistance See figure 4 figure 4 21 Model 72 10405 72 14625 72 10415 OPERATING MANUAL ...

Page 23: ...ws 1 Insert the red test lead into the terminal and the black test lead into the COM terminal 2 Set the rotary switch to resistance measurement is default or press BLUE button to select measurement mode 3 Connect the test leads across with the object being measured If there is lead on the resistor or SMT resistor it is more convenience to use the included multi purpose socket to carry out testing ...

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Page 25: ...D Testing for Continuity See figure 5 figure 5 24 Model 72 10405 72 14625 72 10415 OPERATING MANUAL ...

Page 26: ...OM terminal 2 Set the rotary switch to and press BLUE button to select measurement mode 3 The buzzer sounds continuously if the resistor to be tested is 10 The buzzer does not sound if the resistor to be tested is 35 Note l 72 10405 and 72 14625 open circuit voltage is around 0 45V 72 10415 open circuit voltage is around 1 2V l When continuity testing has been completed disconnect the connection b...

Page 27: ...E Testing Diodes See figure 6 figure 6 26 Model 72 10405 72 14625 72 10415 OPERATING MANUAL ...

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Page 29: ...open or polarity is reversed The unit of diode is Volt V displaying the forward voltage drop readings l When diode testing 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 28 Model 72 10405 72 14625 72 10415 OPERATING MANUAL ...

Page 30: ...F Capacitance Measurement See figure 7 figure 7 29 Model 72 10405 72 14625 72 10415 OPERATING MANUAL ...

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Page 32: ...figure 8 n the tested capacitor is more than 100uF 31 Model 72 10405 72 14625 72 10415 OPERATING MANUAL ...

Page 33: ...d 72 14625 300 For 72 10415 Measuring Audio frequency if the input voltage is more than 15 volt the meter will simulate the sound in same frequency 40MHz unspecified 4 4 32 Model 72 10405 72 14625 72 10415 OPERATING MANUAL ...

Page 34: ...ct the connection between the testing leads and the circuit under test and remove the testing leads away from the input terminals of the Meter H Temperature Measurement 72 10405 only See figure 9 figure 9 33 Model 72 10405 72 14625 72 10415 OPERATING MANUAL ...

Page 35: ...red After few seconds the measured value shows on the display 4 Press BLUE button to toggle between and temperature Note l To avoid measurement error especially low temperature measurement the operating temperature must not exceed 18 28 l When temperature measurement has been completed disconnect the connection between the temperature probe and the object being measured and remove the temperature ...

Page 36: ...s are without power The Hold mode will not capture unstable or noisy readings The Hold mode is applicable to all measurement functions l Press HOLD to enter Hold mode the Meter beeps l Press HOLD again to exit Hold mode the Meter beeps l In Hold mode is displayed 35 Model 72 10405 72 14625 72 10415 OPERATING MANUAL ...

Page 37: ...er pressing MAX MIN button l Press and hold MAX MIN for over 2 seconds to exit MAX MIN mode and return to the present measurement range PEAK Hold 72 10415 only l Under voltage and current measurement mode press PEAK button to enter manual ranging mode and start recording of Pmax and Pmin values The LCD displays MANU Pmax l Press PEAK again to display MANU Pmin l Press PEAK to step the display thro...

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Page 39: ...72 10405 only 72 10405 and 72 14625 only 38 Model 72 10405 72 14625 72 10415 OPERATING MANUAL ...

Page 40: ...600m 1000V Φ6 35x31 8mm 1000V Φ10 3x38 1mm Model 72 10405 72 14625 72 10415 OPERATING MANUAL ...

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Page 42: ...72 10405 72 10405 41 Model 72 10405 72 14625 72 10415 OPERATING MANUAL ...

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Page 44: ...72 10405 72 10405 43 Model 72 10405 72 14625 72 10415 OPERATING MANUAL ...

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Page 46: ...72 10415 45 Model 72 10405 72 14625 72 10415 OPERATING MANUAL ...

Page 47: ...F600mA H 1000V 6 35 x 31 8mm 10 3 x 38 1mm 1000V Model 72 10405 72 14625 72 10415 OPERATING MANUAL ...

Page 48: ...6 35 x 31 8mm 600mA H 1000V 10 3 x 38 1mm 1000V Model 72 10405 72 14625 72 10415 OPERATING MANUAL 72 14625 ...

Page 49: ...600mA H 1000V 6 35 x 31 8mm 10A H 1000V 10 3 x 38 1mm Model 72 10405 72 14625 72 10415 OPERATING MANUAL ...

Page 50: ...600mA H 1000V 10A H 1000V 10 3 x 38 1mm 6 35 x 31 8mm Model 72 10405 72 14625 72 10415 OPERATING MANUAL ...

Page 51: ...600mA H 1000V 1000V 10 3 x 38 1mm 6 35 x 31 8mm Model 72 10405 72 14625 72 10415 OPERATING MANUAL 72 14625 72 14625 72 14625 ...

Page 52: ...Fuse 1 F600mA H 1000V 6 35 x 31 8mm Fuse 1 F10A H 1000V 10 3 x 38 1mm Model 72 10405 72 14625 72 10415 OPERATING MANUAL ...

Page 53: ...72 14625 72 10405 52 Model 72 10405 72 14625 72 10415 OPERATING MANUAL ...

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Page 59: ...72 10405 only Vac 58 Model 72 10405 72 14625 72 10415 OPERATING MANUAL ...

Page 60: ...Do not use or store the Meter in a place of humidity high temperature explosive inflammable and strong magnetic field A Replacing the Battery figure 12 59 Model 72 10405 72 14625 72 10415 OPERATING MANUAL ...

Page 61: ... See figure 12 1 Turn the Meter power off and remove all connections from the terminals 2 Remove the screw from the tilt stand and the battery compartment and separate the battery compartment and the tilt stand 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 tilt stand battery compartment and case...

Page 62: ...B Replacing the Fuses figure 13 61 Model 72 10405 72 14625 72 10415 OPERATING MANUAL ...

Page 63: ...F1 600mA H 1000V 6 35x31 8mm F2 10A H 1000V 10 3 x 38 1mm Model 72 10405 72 14625 72 10415 OPERATING MANUAL ...

Page 64: ...Tenma Test Equipment 300 S Riverside Plaza 2200 Chicago IL 60606 USA www Tenma com Model 72 10405 72 14625 72 10415 OPERATING MANUAL ...

Page 65: ...0 邓捷睿19 8 8 110401108731X 72 14625 UT61D 改 客户说明书 ...