YOKOGAWA TY720 User Manual
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YOKOGAWA TY720 User Manual

YOKOGAWA TY720 User Manual

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User's
Manual
Store this manual in a safe place for future
この取扱説明書は，いつでも使用できるよう
大切に保管してください。
TY710, TY720
Digital Multimeter
ディジタルマルチメータ
保証書付
reference.
Japanese/
English
IM TY720
4th Edition
Jan. 2011(KYOU)

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Summary of Contents for YOKOGAWA TY720

  • Page 1 User's TY710, TY720 Manual Digital Multimeter ディジタルマルチメータ 保証書付 reference. Store this manual in a safe place for future この取扱説明書は，いつでも使用できるよう 大切に保管してください。 Japanese/ English IM TY720 4th Edition Jan. 2011(KYOU)

  • Page 2: About This Manual

    Failure to do so may impair the protection provided by the instrument and probes, and may result in electrical 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.
  • Page 3 Regarding Safe Use of This Product For safe use of this product, the following safety symbols are used on the product and manual: This indicates that the operator must refer to an explanation in the W ARNIN G instruction manual in order to avoid the risk of serious injury or the loss of life.

  • Page 4: Operating Environment

    Testing leads / Testing leads with alligator clip(optional accessory) • Use the probes supplied by Yokogawa with this instrument. • Do not use testing leads/testing leads with alligator clip that have deteriorated or are defective.
  • Page 5 Concernant l’usage en toute sécurité de ce produit Symboles utilisés sur les appareils et dans le manuel d’instruction: Indique un danger. Attire l’attention sur une utilisation quipourrait Avertissement engendrer des accidents susceptibles de provoquer des blessures qui peuvent éventuellement s’avérer mortelles. Indique un danger.
  • Page 6 • N’utilisez pas l’instrument là où un gaz ou de la vapeur (atmosphère) inflammable ou explosive quelconque est présente. • Évitez d’utiliser l’instrument s’il a été exposé à la pluie ou à l’humidité ou si vos mains sont humides. Démontage • Aucune personne, excepté le personnel de Yokogawa, n’est autorisée à démonter cet instrument.

  • Page 7: Table Of Contents

    Contents 1. Overview ......................65 2. Measurement Category ..................66 3. Specifications ....................67 3.1 General Specifications ................67 3.2 Accuracy ....................70 4. Operation ......................78 4.1 Precautions Before Measurement ............78 4.2 Components .................... 79 4.3 Measuring Instructions................84 4.3.1 AC Voltage Measurement ..............84 4.3.2 DC Voltage Measurement ..............
  • Page 8 5. User Calibration Function ................107 6. Battery and Fuse Replacement ............... 112 6.1 Battery Replacement ................112 6.2 Fuse Replacement ................. 113 7. Calibration and Maintenance ................114 Disposing the Product ..................114...

  • Page 10: Overview

    1. Overview l Fast and more accurate measurement The TY710 and TY720 digital multimeters use Σ modulation for A/D conversion, which enable fast and more accurate measurement. l Display 5-digit (LCD) Maximum Reading: 50000 Bar graph indicator l Supports a variety of measurement function...

  • Page 11: Measurement Category

    2. Measurement Category W ARNIN G n Measurement Category of TY710, TY720 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. Ⅲ / AC/DC 600V CAT. Ⅳ...

  • Page 12: Specifications

    3. Specifications 3.1 General Specifications Measurement function: DC Voltage, AC Voltage, DC Current, AC Current, Resistance, Frequency, Temperature, Capacitor, Duty cycle ratio, Decibel (dBV, dBm), Continuity Check, Diode Test, LowPower-Ω* 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-Ω: Measures resistance under lowmeasurement current. *: For model TY720 only Measuring method: Σ modulation...
  • Page 13 Power supply: AA-size (R6) 1.5V batteries: 4 Battery life: Approximately 120 hours (Operating hours of alkaline batteries when in DC voltage-mode.) Note: The battery life varies depending on the operating conditions. Insulation resistance : 1000V DC, 100MΩ or more Withstand voltage: 6.88kVrms AC for five seconds (across input terminals and casing) External dimensions: Approximately 90(W)×192(H)×49(D)mm Weight: Approximately 560g (including batteries) Complied standards: Safety standards...
  • Page 14 Standard accessories: Batteries : 4 Testing leads: 1set (Model 98073) Fuse (included): 440mA/1000V (99015), 10A/1000V (99016) Use’s manual: 1 Optional accessories: Carrying case 93029 (for the main unit with testing leads and communication cable) Testing leads (1set) 98073 Testing leads with alligator clip(1 set) 99014 Fuse 440mA/1000V 99015 10A/1000V 99016 Temperature probes 90050, 90051, 90055, 90056 Communication Package for DMM 9 2015 (Software, USB adapter and cable)

  • Page 15: Accuracy

    Test conditions: Temperature and humidity: 23±5ºC 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 Accuracy Maximum Range Resolution Input Resistance Input Voltage TY710, TY720 50mV 0.001mV 0.05+10 500mV 0.01mV Approx. 100MΩ 1000V DC 0.02+2 2400mV 0.1mV 0.0001V...
  • Page 16 AC Voltage Measurement [RMS] TY720 AC Coupling, Rms-value detection, Crest factor*: <3 Accuracy Maximum Reso- Input Range Input 10 to 20Hz to 1k to 10k to 20k to 50k to lution Impedance Voltage 20Hz 1kHz 10kHz 20kHz 50kHz 100kHz 2+80 0.4+40 5+40 5.5+40 15+40 50mV 0.001mV 11MΩ...
  • Page 17 0.1V * : Crest factor <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=1kΩ) Response time: Approx. 2 sec DC Current Measurement Accuracy Maximum Input Range Resolution Voltage Drop Current TY710, TY720 500μA 0.01μA <0.11mV/μA 5000μA 0.1μA 440mA Protected by a 0.2+5 440mA/1000V fuse. 50mA 0.001mA <4mV/mA 500mA*3 0.01mA...
  • Page 18 1000V fuse. <4 mV/mA 500mA *3 0.01mA 0.0001A 10A Protected by 1.5+20 1+20 2+30 <0.1 V/A a 10A/1000V fuse. 0.001A 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.
  • Page 19 10A/ 0.001A 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: 1 sec max. DCA+ACA TY710 Maximum Reading 50000, Crest factor: <3 Accuracy Maximum Input Range Resolution Voltage Drop DC, 10 to...
  • Page 20 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 Ω Maximum Accuracy Open-loop Input Protective Range Resolution Measuring Voltage Voltage TY710 TY720 Current 500Ω 0.01Ω <1mA 5kΩ 0.0001kΩ <0.25mA 0.1+2 0.05+2 50kΩ 0.001kΩ...
  • Page 21 Continuity Check Maximum Reading 5000 Measuring Open-loop Input Protective Range Resolution Range of Operation Current Voltage Voltage The buzzer turns on Approx. 500Ω 0.1Ω for resistances lower <5V 1000V rms 0.5mA than 100±50Ω. Diode Test Measuring Current Open-loop Input Protective Range Resolution Accuracy (Vf=0.6V)
  • Page 22 Frequency Measurement Hz AC Coupling, Maximum Reading 9999 Range (AUTO) Resolution Accuracy 2.000 to 9.999Hz 0.001Hz 9.00 to 99.99Hz 0.01Hz 0.02+1 90.0 to 999.9Hz 0.1Hz 0.900 to 9.999kHz 0.001kHz 9.00 to 99.99kHz 0.01kHz Accuracy *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 % Range Resolution Accuracy 10 to 90%...

  • Page 23: Operation

    4. Operation 4.1 Precautions Before Measurement n 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 model, lack any item, or show any flaw in its appearance, contact the vendor from which you purchased the product.

  • Page 24: Components

    4.2 Components n Panel Description ■ Testing leads 98073 Display (LCD) SHIFT key RANGE key HOLD (SAVE) key LIGHT (READ) key SELECT (PRINT) key L /% key MIN/MAX (LOG) key MEMORY key Function switch Input terminal block Black With: 1000V10A CAT. /600V 10A CAT. Without: 1000V10A CAT.
  • Page 25 1) Function switch Turns off the power or select the measurement mode (function). Turns off the power. Ω Resistance measurement AC voltage (V) measurement Capacitor measurement mV AC voltage (mV) measurement TEMP Temperature measurement DC voltage (V) measurement μA DC voltage (mV) measurement DC/AC current measurement Continuity check, Diode Test 2) SELECT key...
  • Page 26 3) RANGE key Allows the operator to select the measuring range. Fixed ranges : The display shows the “ R•H ” 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.
  • Page 27 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 Set-up function RANGE key...
  • Page 28 Symbol and Unit Description Appears when in DC-mode measurement Appears when in AC-mode measurement Appears when in DC+AC-mode measurement – Appears when the polarity is negative Appears when in diode test Appears when in continuity check Relative calculation indicator R•H Fixed ranges indicator AUTO AUTO range indicator DATA HOLD indicator AUTO HOLD indicator PEAK HOLD indicator Lit when in MIN/MAX/AVG-mode...

  • Page 29: Measuring Instructions

    4.3 Measuring Instructions W ARNIN G 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.

  • Page 30: Dc+Ac Voltage Measurement

    4.3.3 DC+AC Voltage Measurement ( 1) Turn the function switch to the “ V ” position. 2) Press the SELECT key to select DC+AC voltage measurement. (The display shows the “ ” symbol.) 3) Plug the testing leads into the input terminals. Testing leads Black 4) Connect the testing leads to the circuit under test and then read the value when it stabilizes.

  • Page 31: Low Power-Ω

    4.3.6 Low Power-Ω (LP-Ω) This function is for measuring the resistance of parts on a printed board under low measurement current. In Low Power-Ω measurement, up to 5,000 counts are displayed and the measurement range is from 5 kΩ to 5 MΩ. 1) Turn the function switch to the “Ω” position. Press the SELECT key to set LP-Ωmode. “LP-Ω” appears on the display. 2) Plug the testing leads into the input terminals. 3) Connect the testing leads to the resistance and then read the value when it Testing leads Black stabilizes. 4.3.7 Continuity Check ( CAUTION To avoid damage to instrument Turn off the power to the circuit under test before starting measurement in order to prevent any...

  • Page 32: Diode Test

    4.3.8 Diode Test ( 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 “ • ”...

  • Page 33: Temperature Measurement

    4.3.9 Temperature Measurement (TEMP) 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. 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.

  • Page 34: Current Measurement

    4.3.10 Current Measurement (µA/mA/A) W ARNIN G 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 “µA” and “mA” ranges is 440 mA.

  • Page 35: Dc+Ac Current Measurement

    4.3.11 DC+AC Current Measurement ( W ARNIN G 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.

  • Page 36: Dc, Ac Current Dual Display

    4.3.12 DC, AC Current Dual Display ( • 1) Turn the function switch to the “µA,” “mA” or “A” position. (If the magnitude of the current being measured is not known, select the “A” position. Make sure the current being measured is no more than 440 mA before the “µA”...

  • Page 37: Frequency Measurement, Duty Cycle Ratio

    4.3.14 Frequency Measurement (Hz), Duty cycle ratio (Hz) 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 voltage( mV) or <Voltage>...

  • Page 38: Function To Change Rms Detection To/From Mean Detection Mode

    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. <Change to MEAN detection mode> 1) Select the appropriate AC measurement mode (ACV, ACmV, ACµA, ACmA, ACA) by using the function switch and the SELECT key. 2) Press the SHIFT key to display “Shift”...

  • Page 39: Auto Hold Function

    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 under test. 3) When the reading stabilized, the buzzer sounds.

  • Page 40: Peak Hold Function

    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.

  • Page 41: Decibel Calculation

    <Percentage (%) calculation> Calculates and display the percentage value according to the following equation: % value =(measured value – reference value)/reference value 1) Take a measurement to set the reference value. 2) Press the REL /% key. (The display shows the“ ” symbol and the sub-display shows the reference value.) 3) Take another measurement.

  • Page 42: Min/Max/Avg Function

    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.

  • Page 43: Memory Function

    Memory capacity SAVE-mode: 100 data LOGGING-mode: Logging data of one time Model TY710 1,000 data Model TY720 10,000 data Number of saved data Number of saved data is 4-digit numbers. 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...
  • Page 44 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.
  • Page 45 <To delete of saving data> Delete method (SAVE-mode) • To delete all data 1) Press the 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.

  • Page 46: Auto Power Off Function

    4.5 AUTO POWER OFF Function <To use the AUTO POWER OFF function> 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. • 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 instrument is automatically turned off switches the instrument on again. <To cancel the AUTO POWER OFF function>...

  • Page 47: Set-Up Function

    4.6 Set-up Function The following settings can be made using the Set-up function: • time setting • default setting of dBm measurement reference resistance • default setting of detection mode during AC measurement • default setting of LOGGING interval • default setting of number display/time display during LOGGING mode • sound on/off setting (beep of buzzer) • 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).
  • Page 48 <Default setting of dBm measurement reference resistance> 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. HOLD 2) Select the reference resistance by using the ▲ (RANGE) key or ▼ (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, 1200Ω(default value is 600Ω)
  • Page 49 <Default setting of number display/time display during LOGGING mode> 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. HOLD 2) Select the desired setting by using the ▲ (RANGE) key or ▼ (REL) key. 3) Press the HOLD key to save the setting. “SEt” appears and then “LG. Unt.” <Sound on/off setting> Set the sound on/off (beep of buzzer) Even if the user sets the sound off, it goes off at the following points. • checking continuity • alarm for over-input • alarm for auto power-off...

  • Page 50: Additional Functions Simply Set When Power On

    CAUTION 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).

  • Page 51: Display Mode

    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, DC+AC, Continuity and Frequency- 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.)

  • Page 52: User Calibration Function

    5. User Calibration Function It is recommended that the instrument be calibrated periodically. The instrument can be calibrated. CAUTION To avoid electrical shock • Only authorized engineers are allowed to calibrate the instrument using dedicated facilities. • 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).
  • Page 53 <Table 1> Carry out calibration of ranges in accordance with Table 1. Calibration for 2 points (Input 1 and Input 2) is required 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 ...
  • Page 54 Table 1. Input Signal for Calibration Range Input 1 Input 2 Unit DC 50mV 0.000 50.000 DC 500mV 500.00 DC 2400mV 2000.0 DC 5V 5.0000 DC 50V 50.000 DC 500V 500.00 DC 1000V 1000.0  AC 50mV*1 5.000 50.000  AC 500mV 50.00 500.00 ...
  • Page 55 <Table 2> After completing the calibration for ranges in Table 1, carry out calibration for “ Frequency Characteristic”. The calibration for is frequency characteristic required for AC voltage and AC current ranges (marked with  ). Calibration is carried out at the designated frequency in table 2. 1) Set the calibrator to Input value as an input to the instrument.
  • Page 56 l Calibration of Capacitor Range Before start 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 “...

  • Page 57: Battery And Fuse Replacement

    6. Battery and Fuse Replacement W ARNIN G Be careful not to burn yourself. • Fuse becomes a high temperature after current measurement, it is dangerous by touching it directly. When fuse or batteries are replaced after current measurement, please be sure to leave the main unit for 10 minutes for cooling. 6.1 Battery Replacement If the batteries fall below the normal operating voltage, the “...

  • Page 58: Fuse Replacement

    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. W ARNIN G • Turn the function switch to OFF (turn off the power).

  • Page 59: Calibration And Maintenance

    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 Equipment (WEEE), Directive 2002/96/EC This Product complies with the WEEE Directive (2002/96/EC) marking requirement.
  • Page 60 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. 产品中有毒有害物质或元素的名称及含量 有毒有害物质 铅 汞 镉 六价铬 多溴联苯 多溴二苯醚...
  • Page 61 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) Euroweg 2, 3825 HD, amersfoort, THE NETHERLANDS Phone:31-88-4641000 Facsimile:31-88-4641111 YOKOGAWA ENGINEERING ASIA PTE. LTD. (SINGAPORE) Phone: 65-6241-9933 Facsimile: 65-6241-2606 YOKOGAWA AMERICA DO SUL LTDA.

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