TES TES-2620, Instruction Manual

Page 1: ...AUTO RANGING TRUE RMS MULTIMETER TES 2620 INSTRUCTION MANUAL TES ELECTRICAL ELECTRONIC CORP ...

Page 2: ... For Measurement 13 4 3 DC Voltage Measurements 13 4 4 AC Voltage Measurements 14 4 5 DC Current Measurements 14 4 6 AC Current Measurements 15 4 7 Capacity Measurement 15 4 8 Continuity Measurement Diodes Test 16 4 9 Resistance Measurement 17 4 10 Frequency Measurement 17 4 11 TRMS Measurements 17 4 12 Adaptive ADP Measurement 19 5 BATTERY FUSE REPLACEMENT 19 5 1 Battery Check Up Replacement 19 5...

Page 3: ...or could result in electric shock Use the meter only as specified in this manual otherwise the protection provided by the meter may be impaired Read the operating instructions before use and follow all safety information Caution when working with voltages above 60V DC or 30 V AC RMS Such voltages pose a shock hazard Before taking resistance measurements or testing acoustic continuity disconnect ci...

Page 4: ... 20A AC DC Flip up stand 3 SPECIFICATIONS 3 1 General Specifications Environment conditions Installation Categories II Pollution Degree 2 Altitude up to 2000 meters Indoor use only Relatively humidity 80 max Operation Ambient 0 40 Maintenance Clearing Repairs or servicing not covered in this manual should only be performed by qualified personnel Periodically wipe the case with a dry cloth Do not u...

Page 5: ...olt mV Millivolt 1 10 3 volt A Ampere amp Current mA Milliampere 1 10 3 amp Ω Ohm Resistance KΩ Kilohm 1 103 ohm Resistance MΩ Megohm 1 106 ohm Resistance KHz Kilohertz 1 103 cycles sec Frequency Hz Hertz 1 cycle sec Frequency uF Microfarads 1 10 6 Farad Capacitance nF Nanofarads 1 10 9 Farad Capacitance ...

Page 6: ...4 Diode Continuity Beeper Low Battery Negative polarity Auto Autorange Manu Manual Range REL Relative Reading MEM Memory Reading Date Hold ...

Page 7: ...e drops below the operating voltage Sampling Rate 20 times sec of Bar graph indication 2 times sec of digital display Power Source 2pcs of AA 1 5V Battery Battery Life 400hrs approx Polarity Automatic polarity displays for negative input Operating Temperature 0 to 40 32 to 104 and Humidity below 80 RH Storage Temperature 10 to 60 14 to 140 and Humidity below 70 RH Dimensions 184 L 82 W 42 H mm Wei...

Page 8: ...e Autorange Manual range True RMS Range Resolution Accuracy Input Impedance Overload Protection Frequency Response 400mV 100uV 100MΩ 50 60Hz 4V 1mV 11MΩ 40V 10mV 400V 100mV 1 2 5 750V 1V 1 5 5 10MΩ DC1100V AC 800V 40 450Hz 400 mV only manual range Additional Crest Factor Errors non sinecure Crest Factor Error of reading 1 3 1 3 5 4 5 For frequencies at 50 60 Hz slow AC filter specified for sinecur...

Page 9: ...oltage Accuracy Input Impedance Frequenc y Response 4mA 1uA 40mA 10uA 0 45V 400mA 100uA 0 65V 1 5 5 0 5A 250V fuse 20A 10mA 1 3V 2 5 20A 600V high energy fuse 40Hz to 500Hz Conversion type AC coupled TRMS measurement Additional Crest Factor Errors non sinecure Crest Factor Error of reading 1 3 1 3 5 4 5 For frequencies at 50 60 Hz slow AC filter specified for sinecure input only Response time 5 se...

Page 10: ...Open Circuit Voltage Overload Protection 1mV 0 8mA typical 1 2 3V 600Vrms Capacitance Cx Autoranging Manual range Range Resolution Accuracy 4nF 1pF 40nF 10pF 1 5 20 400nF 100pF 4uF 1nF 40uF 10nF 1 5 10 Resistance Autoranging Manual range Range Resolution Accuracy Open Circuit Voltage Overhead protection 400Ω 100mΩ 4KΩ 1Ω 40KΩ 10Ω 400KΩ 100Ω 4MΩ 1KΩ 0 75 3 40MΩ 10KΩ 1 5 5 0 5V 600Vrms ...

Page 11: ... Accuracy Sensitivity 100HZ 0 01HZ 1KHZ 0 1HZ 10KHZ 1HZ 100KHZ 10HZ 500KHZ 100HZ 0 1 2 100mV 1V 10V By Range Button Selector ADP Function Input Resolution Accuracy Overhead Protection ADP 400mVDC Full Scale 1 COUNT 0 1mV 0 5 of rdg 2LSD 600Vrms ...

Page 12: ...10 4 PARTS CONTROLS 4 1 NAME OF PARTS AND POSITIONS ...

Page 13: ...he display and store the displayed reading as a reference value Press and hold down REL button for 2 seconds to exit the Relative mode 6 Auto Range Manual Range Button Press RANGE to select the Manual Range mode and turn off the AUTO annunciator The meter remains in the range it was in when manual range is selected In the Manual Range mode each time you press RANGE button the range and the input r...

Page 14: ...only Select the proper range before selecting MIN MAX to ensure that the min max reading will not exceed the measurement range Press once to select MIN Press again to select MAX and press again to release MIN MAX recording function 10 Date Hold Button Press it once to hold the measured value in dark place when reading or recording is difficult press it again to release the holding status 11 Reset ...

Page 15: ...or 18 Low Battery As battery power is not sufficient LCD will display 19 Relative Mode indicator 20 Data Hold indicator 21 Maximum Value in MAX Recording Mode The value displayed is the maximum reading taken since the MAX Recording mode was entered 22 Minimum Value in MIN Recording Mode The value displayed is the minimum reading taken since the MIN Recording mode is entered 23 Memory Mode indicato...

Page 16: ...n for red test lead depending on measurement ranges 5 DO NOT measure anything before the rear cover of Multimeter is not secured 6 When finishing the measurement Switch off the power 7 Be sure remove the battery when it is not to be used for a long time to avoid leakage problem 8 DO NOT use or store the instrument in a high temperature high humidity environment 9 DO NOT check resistance in a circu...

Page 17: ...y voltage measurement that maybe exceed 750VAC to avoid electrical shock hazard and or damage to the instrument 1 Connect red test lead to VΩ terminal and black test lead to COM terminal 2 Set Range Switch to V range 3 Connect Test Prods of test leads IN PARALLEL to the circuit being measured 4 Read the Voltage value on LCD 4 5 DC Current Measurement 1 Connect red test lead to mA Terminal for Curr...

Page 18: ...n 400mA to 20A Connect red test lead to 20A terminal Connect black test lead to COM terminal 2 Set Range Switch to desired A range And press AC DC Switch to AC function 3 Cut the power to the circuit being tested and Connect the instrument INSERIES with the circuit with the black test lead on the negative side and the red lead on the positive side being measured 4 Apply power and read the current ...

Page 19: ...measured 5 When the test lead to the circuit is below 40Ω It will be indicated by a continuous beeping Note Continuity test is available to check open short of the circuit DIODE TEST 1 Connect red test lead to the VΩ terminal and black test lead to the COM terminal 2 Set range switch to the diode test position 3 Connect the red test lead to the anode side and black test lead to the cathode side of...

Page 20: ...ck test lead to COM terminal 3 Connect Test prods of test leads to the circuit being measured 4 Read the frequency value Hz on LCD 4 11 TRMS MEASUREMENTS This model is a True RMS model When measuring AC signals undistorted sine waves are rarely encountered On the contrary the non sinusoidal waves triangle and square waves as well as noise affected waves are very common With conventional average se...

Page 21: ...efines the degree of distortion of the wave form and influences the measurement accuracy is the crest factor defined as the ratio of the peak value to the rms value AC Coupling Input Wave form Peak value Vdc Vac TRMS Vac Average value Vdc Crest factor Sine wave 1 414 1 000 1 000 1 000 0 1 414 Full wave 1 414 1 000 0 435 0 421 0 900 1 414 Half wave 2 000 1 000 0 771 0 764 0 636 2 Square wave 1 000 ...

Page 22: ...sconnect test leads before removing back cover 5 1 Battery Check Up Replacement 1 As battery power is not sufficient LCD will display Replacement with Two new batteries type 1 5V is required 2 Set Range Switch to OFF position Use a screwdriver to unscrew the screw secured on the rear cover Take out the battery and replace them with two new batteries type 1 5V 3 Place back the rear cover and secure...

Page 23: ...TES ELECTRICAL ELECTRONIC CORP Add 7F No 31 Lane 513 Rui Guang Road Neihu Dist Taipei Taiwan R O C Tel 02 2799 3660 Fax 886 2 2799 5099 E Mail tes ms9 hinet net http www tes com tw Mar 2000 2 ...