Manual - Yokogawa
Contents
1. Crest factor lt 1 5 at 1000V range Accuracy 1 At 5 to 100 of range 2 At 10 to 100 of range CMRR 80dB or more DC to 60Hz Rs 1kQ Response time 1 sec max 68 AC Voltage Measurement RMS _ V TY720 AC Coupling Rms value detection Crest factor lt 3 Accuracy Reso Input Impedance Maximum Input Voltage tution 20Hz to 1k to 10k to 500mV 0 01mV 5V 0 0001V 50V 0 001V 500V 0 01V 1000V 0 1V Crest factor lt 1 5 at 1000V range Accuracy 1 At 5 to 100 of range 2 At 10 to 100 of range CMRR 80dB or more DC to 60Hz Rs 1kQ Response time sec max AC Voltage Measurement MEAN _ V TY720 AC Coupling MEAN value detection RMS value calibration sine wave Accurac yY Maximum Input Voltage Reso lution 10to20Hz 20 to 500 Hz 500Hz to 1 kHz Impedance 0 001mV 0 01mV 0 0001V 0 001V Accuracy 1 At 5 to 100 of range 2 At 10 to 100 of range CMRR 80dB or more DC to 60Hz Rs 1kQ Response time sec max 69 DCV ACV TY710 Maximum Reading 50000 Crest factor lt 3 Accuracy Maximum Resolution DC 10 to DC 20Hz DC 1k to DC 10k Input Voltage 0 0001V 1000V 0 001V rms AC 0 01V 1000V DC 1000V DCV ACV TY720 Maximum Reading 50000 Crest factor lt 3 Accuracy Reso DC DC lution eve 1k to2. User s TY710 TY720 Manual Digital Multimeter Fa PR2WLVFA B RESI Store this manual in a safe place for future reference COMPAR WOCHHHCESKES KY tc RE L Ya lt fa Vv Xo Japanese English YOKOGAWA IM TY720 OGNI a and Eon Yokogawa Meters amp Instruments Corporation Sep 2008 KYOU KU DA Aina UA IA DE RTH mafala Ka DIA DE EPAD EDOT EMBO ELE SBPEMCTA Hti CHS EV ABOAAS PERE HIE GEO LICK DIRE HE LICBRST SC ENHO Es gt AHONAOAMBE TIERT MINT ST LIMILEN THES Thank you for purchasing our Model TY710 TY720 Digital Multimeter This user s manual describes the specifications and handling precaution for this Digital Multimeter Before using this Digital Multimeter thoroughly read this manual to get a clear understanding on proper use Always observe the following instructions Failure to do so may result in electric shock or other dangers that may lead to serious injury or the loss of life Yokogawa is in no way liable for any damage resulting from the user s mishandling of the product For safe use of this product the following safety symbols are used on the product m About This Manual Every effort has been made to ensure accuracy in the preparation of this manual However should any errors or omissions come to the attention of the user please contact Yokogawa The contents of this manual are subject to change without prior notice because of
3. e checking continuity e alarm for over input e alarm for auto power off 1 Pressing the LIGHT key shows bEEP on the display Set on off on the sub display Default is ON on o off oFF HOLD bEEP SE 2 Select on off by using the A RANGE key or V REL key 3 Press the HOLD key to save the setting SEt appears and then bEEP lt Reset to factory preset mode gt Reset all the settings to factory preset mode except for time 1 Pressing the LIGHT key shows dEF on the display HOLD dF don 2 Press the HOLD key to reset the settings donE appears and then dEF 102 Armm To avoid damage to instrument When the measurement function is completed turn the function switch back to the OFF position to turn off 4 7 Additional functions simply set when POWER ON With pressing the following keys turn the function switch to the desired position of any measurement mode POWER ON state This enables the following functions corresponding to the press keys MIN MAX Averaging Function calculates the average of 8 times RANGE 5000 3 5 digit display SELECT LCD check Lit only while pressing the SELECT key HOLD Cancels the Auto power off function HOLD RELA Reset all calibration values to those before shipment SELECT RANGE Calibration function 4 8 Averaging Function The measured value may greatly fluctuate the instrument can calculate the average 8 ti
4. Failure to do so may result in electrical shock or other dangers that may lead to serious injury or the loss of life Testing leads e Use the probes supplied by Yokogawa with this instrument Do not use testing leads that have deteriorated or are defective Check testing leads continuity e Disconnect testing leads from the circuit under test before opening the casing to replace the batteries or for any other reason e Disconnect testing leads from the circuit under test before attaching detaching the testing leads to from the instrument e Disconnect testing leads from the instrument before opening the casing to replace the batteries or for any other reason e A cap is provided on the tip of a testing lead Use a testing lead with the cap on for safety safety standards EN 61010 031 Casing Do not use the instrument if there is any damage to the casing or when the casing is removed Fuses e Use fuses of the specified rating when the fuse is replaced Operating Environment Do not operate the instrument in an atmosphere where any flammable or explosive gas is present e Avoid using the instrument if it has been exposed to rain or moisture or if your hands are wet Disassembly e No person except personnel from Yokogawa is authorized to disassemble this instrument 59 Contents EE WA WA tents E E UA E 63 Measurement Cate gotes AA Aa 64 SPESHO eronsa Ene EE aet e EE aaa 65 Sah General Specioza aa RS
5. Press the RELA key once again to percentage calculation The display shows the Yo symbol and the percentage peak value SEE ALSO Next section Relative and percentage calculation When resetting the peak value press the MIN MAX key Then new peak value can be in HOLD To cancel the percentage calculation Press the RELA key again symbol disappears then retrieves the PEAK HOLD mode 4 3 19 Relative and percentage calculation The instrument can calculate relative values or difference and percentage values from the reference measurement values The range will be fixed lt Relative REL calculation gt Subtracts the reference value from the measured value to display the relative value or difference 1 Take a measurement to set the reference value 2 Press the RELA key The display shows the A symbol and the sub display shows the reference value 3 Take another measurement 93 lt Percentage calculation gt Calculates and display the percentage value according to the following eguation Yo value measured value reference value reference value 1 Take a measurement to set the reference value 2 Press the RELA key The display shows the A symbol and the sub display shows the reference value 3 Take another measurement Press the RELA key again The display shows the symbol 4 3 20 Decibel calculation dBm dB The instrument can perform logarit
6. Turn the function switch to the DCV position COM oa 2 Press the SELECT key twice to change the mode to DC AC voltage dual display DC voltage measurement appears on the main display and AC voltage on Testing leads the sub display ai ea 3 Plug the testing leads into the input terminals 4 Connect the testing leads to the circuit under test and then read the value when it stabilizes 4 3 5 Resistance Measurement Q Acun To avoid damage to instrument Turn off the power to the circuit under test before starting measurement in order to prevent any excessive voltage from being applied to the instrument 1 Turn the function switch to the Q position abe TEMP i COM vo 2 Plug the testing leads into the input terminals 3 Connect the testing leads to the circuit under test and then read the value Q when it stabilizes Testing leads Black Red Note Zero adjustment Zero adjustment is recommended for correct measurement After executing 1 2 above short the two testing leads Press the REL key for adjust The display shows the 0 09 value The value zero adjustment stores till turn off 4 3 6 Low Power Q LP Q This function is for measuring the resistance of parts on a printed board under low measurement current In Low Power Q measurement up to 5 000 counts are displayed and the measurement range is from 5 KQ to 5 MQ 1 Turn the function switch to the Q position COM MAA EMP
7. and average value AVG during measurement Pressing this key starts recording and at the same time the display shows MIN MAX AVG to release AUTO POWER OFF 79 8 MEMORY key Data can be stored in internal memory using this key Used when outputting to printer with the optional adapter and cable 9 SHIFT key While this key is pressed Shift appears on the display Pressing the following keys with the SHIFT key held down enables the following settings LIGHT key SHIFT RANGE key Change to RMS mode TY720 only REL key Change to MEAN mode TY720 only Turn filter on off TY720 only Display LCD Description AUTO OFF RMS LP Q a i OG Oo oe A eo ma t apn ap a 2000008 ol OCOC uk F BaBa nn 0 1 2 3 4 51000 80 Symbol and Unit Description Appears when in DC mode measurement Appears when in AC mode measurement metea Appears when in DC AC mode measurement Appears when the polarity is negative lt Appears when in diode test 3 Appears when in continuity check A Relative calculation indicator Fixed ranges indicator AUTO range indicator DATA HOLD indicator AUTO HOLD indicator PEAK HOLD indicator Lit when in MIN MAX AVG mode Lit when in MIN MAX AVG mode Lit when in MIN MAX AVG mode Lit when in Memory function Auto power off indicator Appears in RMS mode Appears in Low Power Q measurement Appears while filter is on Appears while the SHIFT key is held down
8. nit for capacitance measurement nit for voltage measurement nit for current measurement nit for resistance measurement nit for temperature measurement nit for frequency measurement dB dBm Decibel calculation indicator Main display Unit for percentage calculation Sub display Unit for duty cycle ratio calculation mV V Sub display Unit for voltage measurement dB Hz s Sub display Unit for recording time when in MIN MAX AVG mode 25881 Recording time indicator when in MIN MAX AVG mode Sub display Number of saved data indicator Reference value indicator when relative calculation Duty cycle ratio indicator Voltage value dBY Hz indicator Reference resistance value dBm indicator Overrange Indicator Bar graph indicator Range indicator 81 4 3 Measuring Instructions Arma To avoid damage to instrument or equipment e Before starting measurement make sure that the position of function switch and the input terminals for connecting the testing leads are appropriate for the desired mode of measurement Temporarily remove the testing leads from the device under test before operating the function switch 4 3 1 AC Voltage Measurement V mV 1 Turn the function switch to the V or mV position COM aa 2 Plug the testing leads into the input terminals 3 Connect the testi
9. replacing the batteries Acn Turn the function switch to OFF turn off the power Do not mix batteries of different types or new batteries with used ones e Make sure the polarities of the new batteries are exactly as shown on the battery holder To replace the batteries 1 Remove the screw on the back of the casing 2 Remove the back cover 3 Take the batteries out of the housing 4 Replace the batteries with new ones 5 Close the casing and fasten it with the screw Blank cover For USB adapter Printer adapter Battery housing Screw hole O lt Rear View gt Back cover removed 110 6 2 Fuse Replacement If a current greater than the rated value flows when the instrument is in the current measurement range a protection fuse may blow If this happens replace that fuse The instrument contains the following types of fuses Arma Turn the function switch to OFF turn off the power e Be sure to disconnect the instrument from the circuit under test and testing leads before replacing the fuses Do not operate the instrument with the casing left open e In order to avoid damage to the instrument or any possible accident use fuses of the specified rating Fuse rating Fl 99015 440mA 1000V F2 99016 10A 1000V To replace the fuse 1 Remove the screw on the
10. 100 50Q Diode Test K A Measuring Current Open loop Input Protective Range Resolution Accuracy V 0 6V Voltage 2 4V 0 0001V Approx 0 5mA 1000V rms Temperature Measurement TEMP Input Protective 200 to 1372 C 1 1 5 C 1000V rms Use optional Temperature Probe Thermocouple Type K Capacitor Measurement Maximum Reading 5000 Resolution Accuracy Input Protective Voltage 0 001nF 0 01nF 0 1nF 0 001 uF 0 01 uF 0 1 uF 0 001mF 0 01mF 1000V rms 1 Accuracy is specified after zero adjustment capacitor 74 Freguency Measurement Hz Range AUTO 2 000 to 9 999Hz Resolution 0 001Hz AC Coupling Maximum Reading 9999 Accuracy 9 00 to 99 99Hz 0 01Hz 90 0 to 999 9Hz 0 1Hz 0 900 to 9 999kHz 0 001kHz 9 00 to 99 99kHz Accuracy 0 01kHz 1 At 10 to 100 of input voltage or current range 2 At 40 to 100 of input voltage or current range Duty cycle ratio 10 10 90 Accuracy 1 At 10 00Hz to 500 0Hz square wave At 40 to 100 of input voltage or current range Peak Hold PeH Model TY720 only Maximum Reading 5000 Response Time Maximum 100 digit gt 250u5 4 Operation 4 1 Precautions Before Measurement m Examining Items Contained in the Package After opening the package be sure to examine the product as instructed below before use Should the delivered product be the wrong mode
11. 10k to 10kHz 20kHz 0 0001V 50V 500V 1000V Crest factor lt 1 5 at 1000V range Accuracy 1 At 5 to 100 of range 2 At 10 to 100 of range CMRR 80dB or more DC to 60Hz Rs 1kQ Response time Approx 2 sec DC Current Measurement A A Resolution opracoy Voltage Drop Mazimum Input TY710 TY720 Cusent 0 01nA H lt 0 11mV pA 0 1 A 440mA Protected by a 0 001mA i DVINA 440mA 1000V fuse ee 0 01mA bees 0 0001A 10A Protected by a lt O 1V A 10A 1000V fuse 3 Maximum measurement current 440mA at 500mA range Response time 0 3 sec max Note After measuring over 500mA DC especially 10A DC Zero error occurs for a while In that case please wait for a while at zero input until the value stabilizes before measuring again 70 AC Current Measurement RMS A TY710 Rms value detection Crest factor lt 3 Accuracy 10 to 20Hz 20Hz to 1kHz Maximum Input Current Resolution Voltage Drop 500uA 0 0luA lt 0 11 mV uA 50004A 0 1pA mV HA 440mA Protected by a 440mA 50mA 0 001mA lt 4mV mA 1000V fuse 500mA 3 0 01mA 5A 0 0001A 10A Protected by a 10A 0 001A lt 0 1V A 10A 1000V fuse AC Current Measurement RMS A TY720 Rms value detection Crest factor lt 3 Accuracy Voltage Maximum Input 10 to 20Hz 20Hz to 1kHz 1k to 5kHz Drop Current et D 440mA P
12. AC measurement gt TY720 only Set a default setting of detection methods during AC measurement RMS or MEAN The default setting is RMS 1 Display Ac by using the LIGHT key rn5 2 RMS AE An mewn ras HOLD Ac SEE 2 Select the detection method by using the A RANGE key or V REL key 3 Press the HOLD key to save the setting 4 SEt appears and then Ac lt Default value of LOGGING interval gt Set a default value of the saving interval during LOGGING mode 1 Display LG int by using the LIGHT key The default setting is 1 sec mD Lint SEE 2 Select the saving interval by using the A RANGE key or V REL key 3 Press the HOLD key to save the setting SEt appears and then LG int Settings of saving interval 1 2 5 10 30 60 600 1800 sec 101 lt Default setting of number display time display during LOGGING mode gt Set the sub display during LOGGING mode The numbers of saved data or time minute second Default is the numbers of saved data 1 Pressing the LIGHT key shows LG Unt on the display no HOLD Lunt SEE 2 Select the desired setting by using the A RANGE key or V REL key 3 Press the HOLD key to save the setting SEt appears and then LG Unt lt Sound on off setting gt Set the sound on off beep of buzzer Even if the user sets the sound off it goes off at the following points
13. MEMORY key The display shows the MEM symbol 2 Hold down the SAVE HOLD key for one second The display shows the CLr symbol 3 Press the SAVE HOLD key All data is deleted e To overwrite selected data 1 Press the MEMORY key The display shows the MEM symbol 2 Press the SAVE HOLD key The sub display shows the number of saved data 3 Use the A RANGE key or W RELA key to select the number of saved data 4 Press the SAVE HOLD key to save over write the data 5 To cancel the function hold down the MEMORY key for one second MEM symbol disappears Delete method LOGGING mode e To delete all data 1 Press the MEMORY key The display shows the MEM symbol 2 Hold down the LOG MIN MAX key for one second The display shows the CLr symbol 3 Press the LOG MIN MAX key All data is deleted LOG j J MIN MAX wow AMANA LLU LUULU 98 4 5 AUTO POWER OFF Function lt To use the AUTO POWER OFF function gt The display shows the AUTO OFF indication The instrument automatically turns off twenty minutes after the last key operation The instrument will beep for approximately 30 seconds to alert the operator before the AUTO POWER OFF function takes effect e Pressing any key or switch while the instrument is beeping postpones the power off time Turning the function switch once after the power to the inst
14. Press the SELECT key to set LP Qmode LP Q appears on the display 2 Plug the testing leads into the input terminals Q 3 Connect the testing leads to the resistance and then read the value when it Testing leads i Pr Black Red stabilizes 4 3 7 Continuity Check YAN Gu To avoid damage to instrument Turn off the power to the circuit under test before starting measurement in order to prevent any excessive voltage from being applied to the instrument 1 Turn the function switch to the position COM si Ee 2 Plug the testing leads into the input terminals 3 Connect the testing leads to the circuit under test If the circuit is Q continuous no more than approximately 1000 the buzzer sounds Testing leads Black Red 4 3 8 Diode Test kt YAN CAUTION To avoid damage to instrument Turn off the power to the circuit under test before starting measurement in order to prevent any excessive voltage from being applied to the instrument 1 Turn the function switch to the kK gt position com oe Press the SELECT key to select Diode test The display shows the lt symbol Q Q 2 Plug the testing leads into the input terminals Testing leads Black Red 3 Connect the testing leads to the diode and then read the value when it i stabilizes lt Forward bias Diode Test gt Connect the black testing lead to the cathode and the red testing lead to the anode S
15. calibration of the Capacitor range turn the function switch back to the OFF position 1 Turn the function switch from the OFF position to the Capacitor position while pressing the SELECT and RANGE keys at the same time The display shows the CAL symbol then the PASS symbol Press the SELECT key The display shows the symbol Press the HOLD key twice The display shows the symbol Press the RANGE key The display shows the nF symbol Connect the instrument to the calibrator with the testing leads Set the calibrator to Input 1 value as an input to the instrument Press the HOLD key to confirm Set the calibrator to Input 2 value as an input to the instrument Press the HOLD key to confirm 10 Carry out calibration of other ranges by repeating steps 6 to 9 11 To quit calibration turn the function switch back to the OFF position 109 6 Battery and Fuse Replacement 6 1 Battery Replacement If the batteries fall below the normal operating voltage the symbol turns on Follow the steps below to replace the batteries with new ones AA size R6 1 5V batteries Set the time by referring to the Set up function after changing the batteries If you remove the batteries the time resets to 00 00 and the time for LOGGING measurement will not be correct Arma Be sure to disconnect the instrument from the circuit under test and testing leads before
16. the input terminals for connecting the testing leads are appropriate for the desired mode of measurement The maximum input current limited by fuses of the uA and mA ranges is 440 mA Be sure not to exceed the limit in the 500 mA range 1 Turn the function switch to the uA mA or A position A COM If the magnitude of the current being measured is not known Q select the A position Make sure the current being measured A is no more than 440mA before the uA or mA position is ee BA iak selected 2 Please select between DC and AC When selecting AC press uAmA COM the SELECT key 3 Plug the black testing lead into the COM input terminal and eae the red testing lead into the A input terminal Red Black If the current is in the order of mA or less plug the red testing lead into the uA mA input terminal 4 Connect the testing leads to the circuit under test and then read the value when it stabilizes Note This instrument has a function which automatically corrects the offset of the internal circuit when measuring DCA This correction is designed to operate once at the following timing power on a function is switched or a range is switched When the environment temperature is changing a certain amount it is recommended to switch a function and make a correction deliberately for better accurate measurement 87 4 3 11 DC AC Curre
17. to RMS detection mode gt 1 Select the appropriate AC measurement mode ACV ACmV ACuA ACmA ACA by using the function switch and the SELECT key 2 Press the SHIFT key to display Shift on the display 3 Press the RANGE key while holding down the SHIFT key to change to RMS detection mode RMS appears on the display 4 3 16 Function to turn the filter on off TY720 only The instrument has a function to turn the filter on off during AC measurement 1 Select the appropriate AC measurement mode ACV ACmV ACuA ACmA ACA by using the function switch and the SELECT key 2 Press the SHIFT key to display Shift on the display 3 Press the HOLD key while holding down the SHIFT key to turn the filter on off While the filter is on Filter appears on the display While the filter is on the low pass filter is activated Refer to filter characteristics in the diagram below Third order low pass filter 20 30 40 50 Amplitude ratio dB 60 70 oa cern 10 100 Frequency Hz 1 000 10 000 91 4 3 17 AUTO HOLD Function The instrument can automatically retain the measured value when the testing leads are handled as described below 1 Press the HOLD key to select Auto hold function The display shows the A H symbol 2 Connect the testing leads to the circuit
18. 0n 0 mx max 440m J catitaov FUSED CATV 600V ruse gt J Function switch Input terminal block 77 E Testing leads EM lt speo Suysay JO sde 1 Function switch Turns off the power or select the measurement mode function Turns off the power Resistance measurement AC voltage V measurement Capacitor measurement AC voltage mV measurement Temperature measurement DC voltage V measurement DC voltage mV measurement Continuity check Diode Test 2 SELECT key Pressing this key in each measurement modes function described above selects other measurement modes function NV mV 1 HzV 2 Hz 3 dBV 4 dBm DC AC current measurement Frequency measurement Voltage value is displayed Frequency measurement Duty cycle ratio dBV measurement Voltage value is displayed dBm measurement S DC AC measurement DC AC Dual display LP Q Model TY720 only kt Diode Test Pressing this key in each measurement modes function described above selects other measurement modes function 1 ad 2 see NY 3 4 Hz 78 AC voltage measurement DC AC measurement DC AC Dual display Frequency measurement Duty cycle ratio 3 RANGE key Allows the operator
19. 7 18F 35 06 6341 1517 779275 06 6341 1519 Yokogawa Meters amp Instruments Corporation International Sales Dept Tachihi Bld No 2 6 1 3 Sakaecho Tachikawa shi Tokyo 190 8586 Japan Phone 81 42 534 1413 Facsimile 81 42 534 1426 YOKOGAWA CORPORATION OF AMERICA U S A Phone 1 800 888 6400 Facsimile 1 770 254 0928 YOKOGAWA EUROPE B V THE NETHERLANDS Phone 31 33 464 1611 Facsimile 31 33 464 1610 YOKOGAWA ENGINEERING ASIA PTE LTD SINGAPORE Phone 65 6241 9933 Facsimile 65 6241 2606 YOKOGAWA AMERICA DO SUL LTDA BRAZIL Phone 55 11 5681 2400 Facsimile 55 11 5681 4434 YOKOGAWA MEASURING INSTRUMENTS KOREA CORPORATION KOREA Phone 82 2 551 0660 to 0664 Facsimile 82 2 551 0665 YOKOGAWA AUSTRALIA PTY LTD AUSTRALIA Phone 61 2 8870 1100 Facsimile 61 2 8870 1111 YOKOGAWA INDIA LTD INDIA Phone 91 80 4158 6000 Facsimile 91 80 2852 1441 YOKOGAWA SHANGHAI TRADING CO LTD CHINA Phone 86 21 6239 6363 Facsimile 86 21 6880 4987 YOKOGAWA MIDDLE EAST B S C C BAHRAIN Phone 973 17 358100 Facsimile 973 17 336100 YOKOGAWA ELECTRIC CIS LTD RUSSIAN FEDERATION Phone 7 495 737 7868 Facsimile 7 495 737 7869 2008 8
20. E R R R artes 65 32 A CCUTACY n s a E E E TE E 68 LOT oa HIMA AAA R EA E E E AE E EAE AA 76 4 1 Precautions Before Measurement IA 76 AyD COMPONEN e en assess access RA E R ARTE 77 4 3 Measuring Instructions ect wm ai A a aa 82 USA Voltage Measurement orere onee a E R EAER 82 43 2 DC Voltage Measurement oirir nsin eea aE rE a E EE 82 43 34 DCFAC Voltage Measurement enn ra i o E ERE 83 434 DCAC Voltage Dual Display niccman 83 3 5 Resistance Measurement arana a a E ates eens 83 WAO LOW POWE Wa 4 3 7 Continuity Check x 4 38 Diode Testni AA E ARE TERET E 4 3 9 Temperature Measurement scc c sescescesssesvccstccessespeeneceeavasseusisescusveeees 86 4 3 10 Current Measurement NA awa 87 4 3 11 DCAC Current Measuremenits 3 ai ence cause aes 88 4 312 DC AC Current Dual Display sorier eaer eE 89 4 3 13 Capacitor Measurement 4 3 14 Frequency Measurement Duty cycle ratio eee 90 4 3 15 Function to change RMS detection to from MEAN detection OA HA truer oes ai 91 4 3 16 Function to turn the filter ii 91 43 17 AUTO HOLD Kunci awa 92 4 3 18 PEAK HOLD Function ieir s anner s E E AE A 93 4 3 19 Relative and percentage calculation suniisenasaneran 93 43 20 Decibelicalculation AWA 94 4 321 MIN MAX AVG KUNGU isen renien aoe EE 95 AA Memory PUNCO Ia 96 4 5 AUTO POWER OEF Function ce rriren aA TERE 99 A6 Setup FUNCION WAA eaa AAA 100 4 7 Additional functions simply set when POWER ON 103 Ag Averaging FUNCION aa 103 4 9 5000 display Modes a
21. Hz Acn To avoid damage to instrument Turn off the power to the circuit under test before starting measurement in order to prevent any excessive voltage from being applied to the instrument 1 Turn the function switch to the voltage V mV or lt Voltage gt the current u A mA A position TEMP 2 Press the SELECT key to select the range of frequency The COM VA display shows the unit of freguency 3 Plug the testing leads into the input terminals Testing leads Plug the red testing lead into the suitable input terminal A Black Red or ywAemA for current value when current measurement lt Current gt 4 Contact the measuring probe to the under test and then read A COM the value when it stabilizes The display shows freguency Q value in main display and duty cycle ratio value in sub 9 Testing leads display Red Black MAMA COM Testing Q Red Black 4 3 15 Function to change RMS detection to from MEAN detection mode TY720 only The instrument has a function to change RMS detection to from MEAN detection modes lt Change to MEAN detection mode gt 1 Select the appropriate AC measurement mode ACV ACmV ACuA ACmA ACA by using the function switch and the SELECT key 2 Press the SHIFT key to display Shift on the display 3 Press the REL key while holding down the SHIFT key to change to MEAN detection mode RMS disappears on the display lt Change
22. ae ea Ae AEE ER A TAR ERA 104 MALONE DEE ha AWA AA AA R A ee eee 104 Ws r Calibration FUNGUA aa 105 Battery and Fuse Replacement cscs suvcessssesssvevessstessseveocatueevesvasueeies seeesedioeente 110 6 1 Battery Koplo sm ii 110 6 2 Fuse Replacement sisira riria ias aer LESA S Kanet 111 Calibration and Maintenance iia 112 Disposing the PAA ME 112 6l 1 Overview Fast and more accurate measurement The TY710 and TY720 digital multimeters use AY modulation for A D conversion which enable fast and more accurate measurement Display 5 digit LCD Maximum Reading 50000 Bar graph indicator Supports a variety of measurement function Measurement function DC Voltage AC Voltage DC Current AC Current Resistance Frequency Temperature Capacitor Duty cycle ratio Decibel ABV dBm Continuity Check Diode Test LowPower Q Other functions Data Hold D H Auto Hold A H Peak Hold P H Range Hold R H Maximum value MAX Minimum value MIN Average value AVG Zero Adjustment Capacitor Resistance Relative values Save to Memory LCD backlight LowPower Q Measures resistance under lowmeasurement current For model TY720 only Switching detection modes Effective value root mean square value detection RMS and mean value detection MEAN can be switched during AC voltage or AC current measurement TY720 only Low pass filter The low pass filter can be switched on off during AC vol
23. back of the casing 2 Remove the back cover 3 Remove the blown fuse from the fuse holder 4 Install a new fuse in the holder Make sure the fuse rating 5 Close the casing and fasten it with the screw 440mA 1000V F2 10A 1000V Screw hole lt Rear View gt Back cover removed 111 7 Calibration and Maintenance Calibration Cycle It is recommended that the instrument be calibrated once every year SEE ALSO User Calibration Function Contacts of Services Please contact one of the Yokogawa sales offices listed on the back cover of this manual or the sales representative from which you purchased the instrument Phillips screw 8 Disposing the Product Waste Electrical and Electronic Eguipment WEEE Directive 2002 96 EC This Product complies with the WEEE Directive 2002 96 EC marking reguirement The affixed product label see below indicates that you must not discard this electrical electronic product in domestic household waste Product Category With reference to the equipment types in the WEEE directive Annex 1 this product is classified as a Monitoring and Control instrumentation product To return unwanted products within the EU area contact your local Yokogawa Europe B V office Do not dispose in domestic household waste 112 Measures for Administra
24. hmic calculations on a AC voltage Measured voltage value dBm 20log J Reference resistance value x 10 1mW Reference resistance Q 0dBm dB 20log Measured voltage value I V 1 Turn the function switch to the V or mV position 2 Press the SELECT key to select dBm dB The display shows the dBm dB symbol 3 Connect the testing leads to the circuit under test and then read the value when it stabilizes 4 When calculating relative value press the RELA key Note The instrument can switch select reference resistance value when measuring dBm The reference resistance value is switched as follows every time the RANGE key is pressed Shown in sub display Reference resistance value 4 8 16 32 50 75 93 110 125 135 150 200 250 300 500 600 800 900 1000 1200 Default value 600Q The default settings can be changed Refer to the Set up function 94 4 3 21 MIN MAX AVG Function The minimum value MIN maximum value MAX and average value AVG during measurement are shown The range is fixed The average value is shown by dividing the integrated record data by the number of recording times Pressing this key starts recording and at the same time the display shows MIN MAX and AVG to release AUTO POWER OFF lt Recording time gt The timer is activated to show the elapsed time from the start and simultaneously the renewed time for MIN MAX is also reco
25. ilicon diodes should give a reading of approximately 0 5V and light emitting diodes a reading between approximately 1 5V and 2 0V lt Reverse bias Diode Test gt Connect the black testing lead to the anode and the red testing lead to the cathode Normally the display shows the OL symbol indicating that the diode under test is normal The diode is defective if the display gives a certain voltage level Black testing Red testing Red testing Black testing lead lead lead lead L _ Figure 1 Forward bias Figure 2 Reverse bias Diode Test Diode Test 4 3 9 Temperature Measurement TEMP Acn To avoid damage to instrument Turn off the power to the circuit under test before starting measurement in order to prevent any excessive voltage from being applied to the instrument Note Optional Temperature probe is required for temperature measurement Temperature Probe Thermocouple Type K Model 90050 90051 90055 90056 Check the measurable range of respective probes 1 Turn the function switch to the TEMP position COM aha EMP 2 Plug the measuring probe into the input terminals 3 Contact the measuring probe to the under test and then read the value e ars Measuring when it stabilizes probe Black Red 4 3 10 Current Measurement uA mA A Amma To avoid damage to instrument or equipment Before starting measurement make sure that the position of function switch and
26. improvement in performance or function All rights reserved No part of this manual may be reproduced in any from without Yokogawa s written permission 57 Regarding Safe Use of This Product For safe use of this product the following safety symbols are used on the product and manual Amma YAN CAUTION Note A i H This indicates that the operator must refer to an explanation in the instruction manual in order to avoid the risk of serious injury or the loss of life This indicates that the operator must refer to an explanation in the instruction manual in order to avoid the risk of injury or damage to the product This indicates information that is essential for handling the instrument or should be noted in order to familiarize yourself with the instrument s operating procedures and or functions Danger Handle with Care This symbol indicates that the operator must refer to an explanation in the instruction manual in order to avoid risk of injury or death of personnel or damage to the instrument Double Insulation This symbol indicates double insulation or reinforced insulation Direct Current This symbol indicates DC voltage current Alternating Current This symbol indicates AC voltage current DC AC This symbol indicates AC and DC Fuse This symbol indicates a fuse Ground This symbol indicates ground earth 58 Arma m Always observe the following instructions
27. inutes under above conditions before carrying out calibration After reference valve of Calibrator stabilizes Press the key to confirm for calibration valve 105 lt Table 1 gt Carry out calibration of ranges in accordance with Table 1 Calibration for 2 points Input 1 and Input 2 is reguired other than DC range After Input 1 carry out calibration of Input 2 repeating steps 6 and 7 For AC voltage and AC current ranges marked with O calibration is carried out at SOHz or 60Hz freguency 1 Turn the function switch from the OFF position to the mV position while pressing the SELECT and RANGE keys at the same time The display shows the CAL symbol then the PASS symbol 2 Press the SELECT key The display shows the symbol 3 Press the HOLD key twice The display shows the symbol 4 Press the RANGE key The display shows the mV symbol 5 Connect the instrument to the calibrator with the testing leads 6 Set the calibrator to Input 1 value as an input to the instrument 7 Press the HOLD key 8 Be sure to confirm that the function switch and input terminal are set to the desired range Carry out calibration of other ranges by repeating steps 6 and 7 9 To quit calibration turn the function switch back to the OFF position Note The model TY720 needs to be calibrated at mean value detection MEAN mode and filter on of AC current 106 Table 1 Inp
28. l lack any item or show any flaw in its appearance contact the vendor from which you purchased the product Precautions of Operation and Storage YAN pu e Insert the batteries in the instrument by referring to 6 1 Battery Replacement A Blank cover is provided on the upper part of back casing Don t remove the Blank cover except when the USB adapter or Printer adapter is connected Do not use the instrument near noise emitting equipment or where there may be a sudden change of temperature Otherwise the instrument may give an unstable reading or errors Removal of Dirt Do not wipe the instrument using any solvent chemicals such as benzine or paint thinner as this may damage or discolor the front panel Use a dry cloth to clean the instrument Storage Conditions Do not leave the instrument exposed to direct sunlight or in a hot and humid location such as the inside of a vehicle for any prolonged length of time e Ifthe instrument will not be used for a prolonged period remove the batteries 76 4 2 Components m Panel Description a Display LCD m SHIFT key RANGE key HOLD SAVE key RMS A FILTERSAVE SETUP READ C SHIFT Horo uet PRINT MEAN Y LoG MEMORY C SELECT RELA minimax BY e LIGHT READ key SELECT PRINT key NJ RELA key MIN MAX LOG key L MEMORY key JAMA COM VQ Ons0_
29. ment four times per second capacitor measurement 50mF max 0 03 time per second Bar graph display 15 times per second Operating temperature and humidity ranges 20 to 55 C 80 RH or less no condensation 70 RH or less at 40 to 55 C Storage temperature and humidity ranges 40 to 70 C 70 RH or less no condensation Temperature coefficient Accuracy at 23 5 C x 0 05 C or less At 20 to 18 C and 28 to 55 C When continuously DCV and DCA measuring add Idigit C except for SOmV SA 10A range add 3digits C 65 Power supply Battery life Insulation resistance Withstand voltage External dimensions Weight Complied standards AA size R6 1 5V batteries 4 Approximately 120 hours Operating hours of alkaline batteries when in DC voltage mode Note The battery life varies depending on the operating conditions 1000V DC 100MQ or more 6 88kVrms AC for five seconds across input terminals and casing Approximately 90 W x192 H x49 D mm Approximately 560g including batteries Safety standards EN61010 1 EN61010 031 CAT III Max input voltage AC DC1000V CAT IV Max input voltage AC DC600V Pollution degree 2 indoor use 2000m max above sea level EMC standards EN61326 1 Class B EN55011 Class B Group 1 Effect of radiation immunity In the radio frequency electromagnetic field of 3 V m accuracy is within five times the rated accuracy 66 Standard accessories Optio
30. mes approx 2 seconds This function is available for Voltage Current and Resistance mode measurement The function averaging operates until the power is turned off Note Additional functions simply set when POWER ON can be used 103 4 9 5000 display mode This function switches 3 5 digit display 5000 and 5 digit display 50000 The function is not available for Capacitor Temperature DCHAC Continuity and Freguency mode measurement The function 5000 display operates until the power is turned off Note Additional functions simply set when POWER ON can be used 4 10 LCD Check The instrument can lit all segments and mark for LCD check Lit only while pressing the SELECT key 104 5 User Calibration Function It is recommended that the instrument be calibrated periodically The instrument can be calibrated Acn To avoid electrical shock Only authorized engineers are allowed to calibrate the instrument using dedicated facilities e Connect the calibrator to the instrument with the calibrator s testing leads Before carrying out calibration read the instruction manual of the calibrator Temporarily remove the testing leads from the instrument before switching measurement mode function lt Conditions of calibration gt Calibrator With accuracy higher than of this instrument Ambient Environment Temperature 23 3 C Humidity 55 RH or less Leave the instrument for 30 m
31. nal accessories Batteries 4 Testing leads Il set Model 98015 Fuse included 440mA 1000V 99015 10A 1000V 99016 Use s manual 1 Carrying case 93029 for the main unit with testing leads and communication cable Testing leads 1set 98015 Fuse 440mA 1000V 99015 10A 1000V 99016 Temperature probes 90050 90051 90055 90056 Communication Package for DMM 92015 Software USB adapter and cable Printer Adapter and Cable 97016 Printer 97010 AC adapter for printer Europe 94006 Thermal paper for printer 10 rolls 97080 67 3 2 Accuracy Test conditions Temperature and humidity 23 5 C at 80 RH or less Accuracy of reading digits Note Each response time is a value to rated accuracy within selected range DC Voltage Measurement V Resolution Aay Input Resistance Maximum TY710 TY720 P Input Voltage 50mV 0 001mV 0 05 10 500mV 0 01mV Approx 100MQ 1000V DC 2400mV 0 1mV 0 02 2 5V 0 0001 V 0 025 5 50V 0 001V 0 01V 0 03 2 0 1V 1000V rms AC NMRR 80dB or more 50 60Hz 0 1 70dB or more 50 60Hz 0 1 when SOmV Range CMRR 100dB or more 50 60Hz Rs 1kQ Response time 0 3 sec max AC Voltage Measurement RMS V TY710 AC Coupling Rms value detection Crest factor lt 3 Accuracy Maximum Resolution Input 10 to 20Hz Voltage 0 01mV 0 0001V 0 001V 1 5 30 1 0 7430 1 2 50 2 500V 1000V 3 30 2
32. ng leads to the circuit under test and then read the value when it stabilizes Testing leads Black Red 4 3 2 DC Voltage Measurement V mV 1 Turn the function switch to the V or mV position COM eal 2 Plug the testing leads into the input terminals 3 Connect the testing leads to the circuit under test and then read the value when it stabilizes Testing leads Black Red Note This instrument has a function which automatically corrects the offset of the internal circuit when measuring DCV This correction is designed to operate once at the following timing power on a function is switched or a range is switched When the environment temperature is changing a certain amount it is recommended to switch a function and make a correction deliberately for better accurate measurement If mV range is selected and the testing leads are left open circuited the instrument may give a certain reading This dose not affect your measurement 82 4 3 3 DC AC Voltage Measurement 1 Turn the function switch to the V position COM o 2 Press the SELECT key to select DC AC voltage measurement The display shows the symbol Q 3 Plug the testing leads into the input terminals Testing leads i f tees Black Red 4 Connect the testing leads to the circuit under test and then read the value i j when it stabilizes 4 3 4 DC AC Voltage Dual Display 1
33. nt Measurement Amma To avoid damage to instrument or equipment Before starting measurement make sure that the position of function switch and the input terminals for connecting the testing leads are appropriate for the desired mode of measurement The maximum input current limited by fuses of the uA and mA ranges is 440 mA Be sure not to exceed the limit in the 500 mA range 1 Turn the function switch to the uA mA or A position A COM If the magnitude of the current being measured is not known Q select the A position Make sure the current being measured is no more than 440mA before the uA or mA position is ee jo eatin eae iak selected 2 Press the SELECT key twice to select the DC AC measurement HA mA COM The display shows the symbol Plug the black testing lead into the COM input terminal and kaika the red testing lead into the A input terminal Red Black If the current is in the order of mA or less plug the red testing lead into the uA mA input terminal 3 Connect the testing leads to the circuit under test and then read the value when it stabilizes 88 4 3 12 DC AC Current Dual Display 1 Turn the function switch to the uA mA or A position A COM If the magnitude of the current being measured is not known Q select the A position Make sure the curre
34. nt being measured is no more than 440 mA before the uA or mA position is a SEA selected 2 Press the SELECT key three times to select DC AC dual MA mA COM display DC current measurement appears on the main display and AC aoe current on the sub display Red Black 3 Plug the black testing lead into the COM input terminal and the red testing lead into the A input terminal If the current is in the order of mA or less plug the red testing lead into the pA mA input terminal 4 Connect the testing leads to the circuit under test and then read the value when it stabilizes 4 3 13 Capacitor Measurement AF Acn To avoid damage to instrument Turn off the power to the circuit under test before starting measurement in order to prevent any excessive voltage from being applied to the instrument e Before starting measurement be sure to discharge the capacitor under check 1 Turn the function switch to the position Ab TEMP COM v 9 2 Plug the testing leads into the input terminals 3 Open the testing lead and press the REL key in SnF range to adjust the Q capacitance to zero The display shows 0 000 Testing leads Black Red 4 Connect the testing leads to the circuit under test and then read the value when it stabilizes Note The value zero adjustment remains displayed until power off 4 3 14 Frequency Measurement Hz Duty cycle ratio
35. of data 3 Press the LOG MIN MAX key to start logging The MEM symbol is flashing Every time the MIN MAX key is pressed the sub display changes Sub display saved number saved time min sec hour min saved number 4 To cancel the function hold down the MEMORY key for one second When memory capacity becomes full the function is automatically canceled MEM symbol disappears Note LOGGING mode operation during HOLD mode disables HOLD mode To load a Data SAVE mode 1 Press the MEMORY key The display shows the MEM symbol 2 Press the READ LIGHT key 3 Press the SAVE HOLD key to select the number of saved data Select the number with the A RANGE key or W RELA key 4 To cancel the function hold down the MEMORY key for one second MEM symbol disappears To load a Data LOGGING mode 1 Press the MEMORY key The display shows the MEM symbol 2 Press the READ LIGHT key 3 Press the LOG MIN MAX key to select the number of saved data Select the number with the A RANGE key or W RELA key Every time the MIN MAX key is pressed the sub display changes Sub display saved number saved time min sec hour min saved number 4 To cancel the function hold down the MEMORY key for one second MEM symbol disappears 97 lt To delete of saving data gt Delete method SAVE mode To delete all data 1 Press the
36. rd ji si Entrance 7 pe a7 CATV cai BE i Fixed Equipment etc ntr Cable Equipment Note Radiation immunity affects the accuracy of the TY710 TY720 under the conditions specified in EN61326 1 Use of this instrument is limited to domestic commercial and light industry applications If equipment generating strong electromagnetic interference is located nearly the instrument may malfunction 64 3 Specifications 3 1 General Specifications Measurement function Other functions Measuring method Display Measurement cycle DC Voltage AC Voltage DC Current AC Current Resistance Frequency Temperature Capacitor Duty cycle ratio Decibel dBV dBm Continuity Check Diode Test LowPower Q Data Hold DeH Auto Hold A H Peak Hold P H Range Hold R H Maximum value MAX Minimum value MIN Average value AVG Zero Adjustment Capacitor Resistance Relative values Save to Memory LCD backlight LowPower Q Measures resistance under lowmeasurement current For model TY720 only AX modulation 5 digit LCD 7 segment Maximum Reading 50000 Polarity Indicator Appears automatically when the polarity is negative Overrange Indicator OL Low battery Indicator T Appears when the batteries become low 6 times per second except frequency measurement one times per second Resistance measure
37. rded The elapsed time is displayed as follows 0 sec to 99 min and 59 sec steps of 1 sec 100 min or more steps of 1 min Press the HOLD key to stop recording The display shows the D H symbol lt To confirm the recording time gt For confirming the recording time press the MIN MAX key Subsequent pressing of this key repeats to display the present minimum value MIN maximum value MAX and average value AVG Press the HOLD key once again to restart recording To cancel the confirming mode hold down the MAX MIN key for one second MAX MIN AVG symbol disappears Note e No influence is exerted on the recorded data even if the test leads are disconnected while the recording is stopped If overload is recorded the MIN or MAX display changes to OL display resulting in incorrect average data e For widely varying signal measurement set the appropriate range in which the MAX or MIN does not change to OL display 95 4 4 Memory Function lt To save a Data in internal memory gt The instrument can save a data using with the following two types of modes SAVE mode Saves a data for one measurement by manual operation LOGGING mode Automatically saves a data from the start of logging Memory capacity SAVE mode 100 data LOGGING mode Logging data ofonetime Model TY710 1 000 data Model TY720 10 000 data Number of saved data Number of saved data is 4 digit number
38. rotected 0 1pA mV pA TotecIe z 2 by a 440mA lt 4mV mA 1000V fuse Resolution 0 001mA 0 01mA 0 0001A 10A Protected by 0 001A 20 1 WA Ja 10A 1000V fuse Model TY710 720 Accuracy At 5 to 100 of range At 10 to 100 of range for 10A Range 3 Maximum measurement current 440mA at 500mA range Response time 1 sec max 71 AC Current Measurement MEAN A TY720 MEAN value detection RMS value calibration sine wave Accuracy Resolution 500Hz to 1kHz 0 01pA lt 0 11 0 1pA mV pA 440mA Protected Voltage Maximum Input 10 to 20Hz 20 to 500Hz Drop Current by a 440mA 0 001mA lt 4 mV mA 1000V fuse 0 01mA 0 0001A 10A Protected lt 0 1 V A by a 10A 0 0014 1000V fuse Accuracy At 5 to 100 of range At 10 to 100 of range for 10A Range 3 Maximum measurement current 440mA at 500mA range Response time sec max DCA ACA TY710 Maximum Reading 50000 Crest factor lt 3 Accuracy Resolution DC 10 to DC 20Hz to Voltage Drop 20Hz 1kHz Maximum Input Current as os lt 0 11 mV pA 5000nA 0 1 nA 440mA Protected by a 50mA 0 001mA lt 4mV mA_ 440mA 1000V fuse 500mA 3 0 01mA 5A 0 0001A 10A Protected by a lt 0 1V A 10A 1000V fuse Accuracy At 5 to 100 of range At 10 to 100 of range for 10A Range 3 Maximum measurement current 440mA at 500mA range Re
39. rument is automatically turned off switches the instrument on again lt To cancel the AUTO POWER OFF function gt 1 Turn the function switch to the OFF 2 With pressing the HOLD key turn the function switch to the desired position of any measurement mode function The AUTO OFF indication turns off when the function is canceled Note Additional functions simply set when POWER ON can be used lt To enable the AUTO POWER OFF function once again gt 1 Turn the function switch to the OFF 2 Turn the function switch to the desired position of any measurement mode function The AUTO POWER OFF function is enabled again The display shows the AUTO OFF indication 99 4 6 Set up Function The following settings can be made using the Set up function time setting e default setting of dBm measurement reference resistance e default setting of detection mode during AC measurement e default setting of LOGGING interval e default setting of number display time display during LOGGING mode e sound on off setting beep of buzzer e reset to factory preset mode 1 Press the SHIFT key shows Shift on the display 2 Press the LIGHT key while holding down the SHIFT key changes the mode to Set up mode from Set up to time display 0000 SEEUP CLOLe 3 Press the LIGHT key changes the setting items accordingly 4 Change values by using the A RANGE key or V REL key 5 Press the HOLD key to sa
40. s When LOGGING mode L is attached to the top of 4 digit numbers The instrument allocates the smallest number between 0000 to 9999 that has not yet been used Use the A RANGE key or W RELA key switches the number of saved data To save a Data SAVE mode 1 Press the MEMORY key The display shows the MEM symbol 2 Press the SAVE HOLD key The display shows the number of saved data 3 Press the SAVE HOLD key to save the data Another press of the SAVE HOLD key saves a data for the second time measurement or later 4 To cancel the function hold down the MEMORY key for one second MEM symbol disappears Note HOLD data can be saved Hold the display and save it according to the above steps The number of saved data lt a SE 3 nn m Li LILI LILI 96 To save a Data LOGGING mode In logging measurement mode the time needs to be set Note that changing the batteries resets the time to 00 00 Set the time by referring to the Set up function 1 Press the MEMORY key The display shows the MEM symbol 2 Press the LOG MIN MAX key The display shows the logging interval period Set the value with the A RANGE key or W RELA key The default setting is one second The default settings can be changed Refer to the Set up function The display shows FULL when the logging data is already saved When saving the new data perform delete
41. sponse time 2 sec max 72 DCA ACA TY720 Maximum Reading 50000 Crest factor lt 3 Accuracy Resolution DC 10 to DC 20Hz DC 1k to Voltage Drop 20Hz to IkHz 5kHz Maximum Input Current 0 01nA 0 14 A 0 001mA 500mA 3 0 01mA 5A 0 0001A 10A Protected by a 10A 0 001A lt 0 1 V A 10A 1000V fuse lt 0 11 mV HA 440mA Protected by a 440mA lt 4 mV mA 1000V fuse Accuracy At 5 to 100 of range At 10 to 100 of range for 10A Range 3 Maximum measurement current 440mA at 500mA range Response time Approx 2 sec Resistance Measurement Q Maximum Resolution Accuracy Measuring Open loop Input Protective TY710 TY720 Current Voltage Voltage 0 01Q 0 0001kQ 0 001kQ 0 01kQ 0 0001IMQ 0 001IMQ 1 Accuracy is specified after zero adjustment resistance Response time 1 sec max at 500Q to 500kQ 5 sec max at SMQ to SOMO 1000V rms LowPower O LP O Maximum Reading 5000 Maximum f Resolution es Measuring Open loop Input Protective TY720 only Current Voltage Voltage 0 001kQ 0 01kQ 0 1kQ 0 001MQ 1000V rms LowPower Q Measures resistance under lowmeasurement current 73 Continuity Check Maximum Reading 5000 Measuring Open loop Input Protective Resolution Range of Operation Cunen Voltage The buzzer turns on for resistances lower i lt 5V 1000V rms than
42. tage or AC current measurement TY720 only Communication optional communication package is required e Measurement data can be transferred to a PC using an optional USB communication package The data can be read by certain applications to make trend graphs or can be converted into Excel files The data can also be output from an optional printer via an optional RS232 cable Safety design Complied standards CE standards Uses a current input terminal shutter for preventing wrong input Uses high performance UL standard fuses 63 2 Measurement Category Amma m Measurement Category CAT The restrictions on the maximum voltage level for which the TY710 TY720 can be used depend on the measurement categories specified by the safety standards Do not apply any input level higher than maximum allowable input AC DC 1000V CAT M AC DC 600V CAT IV Measurement category Description Remarks CAT I For measurements performed on circuits not directly connected to MAINS CAT II For measurements performed on circuits directly Appliances portable connected to the low voltage installation equipment ect CAT III For measurements performed in the building Distribution board installation circuit breaker ect CAT IV For measurements performed all the source of the Overhead wire low voltage installation cable systems ect Internal Wiring Distribution CAT Ill CAT Il Boa
43. tion of the Pollution Control of Electronic Information Product of the People s Republic of China PHARHAEO STR MOSRPREEA A ETI PHEARHAE COLAMCT The following are the provisions of Measures for Administration of the Pollution Control of Electronic Information Product of the People s Republic of China They are applicable only in the People s Republic of China Pts eA EWART RNAMReS Behan r EE ER i KNER BRIKA BRAR Pb ne Cd Cr VD PBB PBDE is CEFN s o SA 98015 O E ATS aT MEA ae BAS ee aa ZIA SJ T11363 2006 frie ERDE A x RPS SAE iii A RA E RTRA EE SJ T11363 2006 EFE HII BER lt H gt 90050 90056 TC K CHEIRA IMRE FASAIR ARGS F 2006 4 2 F 28 BAARI CTP RIRE EINA MUE SJ T11364 2006 AMBA ADI EPEAREN 10 AA AA IA RERBA AIXE ARERI Kani TA KEN J PPR SORE MERUN RRA ERIA T EEA AERO EA HE ERE SEHH 18 BARGE Hite YOKOGAWA UTANI DAYAR SAL Yokogawa Meters amp Instruments Corporation RAAB R 7190 8586 SRAABIZIITRATO 1 3 AE 898 042 534 1456 777Y5 042 534 1438 Ame 7530 0001 APRATARRTHILKMH2 4 9 PU t2
44. to select the measuring range Fixed ranges The display shows the ReH symbol The range increases every time this key is pressed AUTO range The display shows the AUTO symbol To return to the auto ranging mode hold down RANGE key for more than one second 4 HOLD key Selects between the DATA HOLD AUTO HOLD and PEAK HOLD functions To cancel functions press this key once again DATA HOLD Holds the display readings The display shows the DeH symbol AUTO HOLD Holds the measured value when the testing leads are handled The display shows the A H symbol PEAK HOLD Holds the peak value The display shows the P H symbol Model TY720 only 5 LIGHT key LIGHT key Use to turn on the LCD backlight Press this key once to turn on the LCD backlight for approximately one minute The LCD backlight is lit for approximately one minute To postpone turned on time press this key once again To cancel the function hold down this key for more than one second 6 REL A key The instrument can calculate relative values or differences and percentage values from the reference measurement values 1 Relative Calculation The display shows the A symbol The sub display shows the reference voltage value 2 Percentage Calculation The display shows the A Yo symbol The sub display shows the reference voltage value 7 MIN MAX key Displays the minimum value MIN maximum value MAX
45. under test 3 When the reading stabilized the buzzer sounds 4 Remove the testing leads from the circuit under test 5 The display shows the measured value that is retained You can repeat steps 2 to 4 as many times as you like as long as the display shows the As H symbol Note In DC AC voltage measurement the Auto hold function is only available for ranges greater than the 5V range This function is not available for Temperature Capacitor and Frequency measurement The Auto hold function can not be applied to unstable signals 92 4 3 18 PEAK HOLD Function This instrument can always detect update and display the peak value instantaneous in DCV and DCA measurement The peak value of the wave can be seen 1 Turn the function switch to DCV or DCA position 2 Connect the testing leads to the circuit under test 3 Press the HOLD key to select Peak Hold The display shows the P H symbol 4 The display shows the peak value 5 When resetting the peak value in HOLD press the MIN MAX key Then new peak value can be in HOLD Note Even though the input signals DCV DCA have negative polarity the peak value can be measured when the peak is in the positive direction Relative values from the reference values can be shown during the peak value measuring 1 Press the RELA key to relative calculation in PEAK HOLD mode The display shows the 4 symbol and the relative peak value 2
46. ut Signal for Calibration Input 1 Input 2 DC 50mV DC 500mV DC 2400mV DC 5V DC 50V DC 500V DC 1000V AC 50mV 1 gt AC 500mV AC SV 2 AC 50V AC 500V AC 1000V 5009 5KQ 50kQ 500kQ 5MQ 50MQ Continuity Check DC 500 pA DC 5000 pA DC 50mA DC 500mA DC 5A DC 10A AC 500 uA gt AC 5000 pA AC 50mA AC 500mA AC 5A AC 10A 1 For model TY720 2 For model TY720 Calibration points added in 5 V AC range setting input value O RMS Filter OFF Input 0 50000 Input2 5 0000 O MEAN Filter OFF Input 0 50000 Input2 5 0000 O RMS Filter ON Input 0 5000 Input2 5 0000 50Hz 60Hz o o o op 50Hz 60Hz 107 lt Table 2 gt After completing the calibration for ranges in Table 1 carry out calibration for Freguency Characteristic The calibration for is frequency characteristic required for AC voltage and AC current ranges marked with O Calibration is carried out at the designated frequency in table 2 1 Set the calibrator to Input value as an input to the instrument 2 Press the MEMORY key 3 After 20 seconds buzzer sounds and the instrument confirm calibration Do not next key operation till buzzer sounds Table 2 Input Signal for Calibration AC 50mV 1 AC 500mV AC 5V AC 50V AC 500V 4 AC 1000V 600Hz AC 500A AC 50004A 1 For model TY720 108 Calibration of Capacitor Range Before start
47. ve finish each setting SEt appears and the display returns to the setting items 6 Hold down the LIGHT key for more than one second to return from Set up mode to measurement mode Note To cancel any setting hold down the LIGHT key for more than one second or turn off by using the function key lt Time setting gt Set the time to be displayed during LOGGING mode Be sure to set the time after changing the batteries 1 Display CLOCK by using the LIGHT key The first two digits of the time blink on the sub display are LULE Set 2 Set the present hour by using the A RANGE key or V REL key 3 Press the LIGHT key to make the last two digits blink 4 Set the present minute by using the A RANGE key or V REL key 5 Press the HOLD key to save the setting SEt appears and then CLOCK 100 lt Default setting of dBm measurement reference resistance gt Set a default value of the reference resistance during dBm measurement mode 1 Display db r by using the LIGHT key The reference value appears on the display dhe _ EL 2 Select the reference resistance by using the A RANGE key or V REL key 3 Press the HOLD key to save the setting SEt appears and then db r Setting values of reference resistance 4 8 16 32 50 75 93 110 125 135 150 200 250 300 500 600 800 900 1000 1200Q default value is 6002 lt Default setting of detection method during
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