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Preparing for Measurement

2.1 Preparation Process

Before starting, read “Operating Precautions” (p. 7) carefully.
For more information about rack mounting, see “Appx. 7 Rack Mounting” (p. Appx.14).

(1) Position the instrument as desired.

(p. 7)

(2) Perform the pre-measurement inspection.

(p. 24)

(3) Connect the power cord.

(p. 25)

(4)

Connect the measurement cables to the measurement terminals.

(p. 26)

(5)

Connect the temperature sensor to the TEMP.SENSOR connector.

(When performing temperature measurement or using the temperature compensation function)

(p. 27)

(6) Configure and connect the external interface (as necessary).

• Using the USB interface. (p. 98)

• Using the RS-232C interface. (p. 100)

• Using the GP-IB interface. (p. 102)

• Using the LAN interface. (p. 104)

• Using a USB flash drive

(p. 115)

• Using the EXT I/O connector (p. 125)

(7)

Turn on the instrument.

(p. 28)

(8)

Set the time and date.

(p. 30)

2 Preparing for Measurement

Power cord

To outlet

Preparing for Measurement

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Содержание DM7275 Series

Страница 1: ...N Instruction Manual DM7276 PRECISION DC VOLTMETER DM7275 Dec 2016 Edition 1 DM7275A961 00 16 12H DM7275 01 DM7275 02 DM7275 03 DM7276 01 DM7276 02 DM7276 03 www com information itm com 1 800 561 8187...

Страница 2: ...the measurement cables to the measurement terminals p 26 5 Connect the temperature sensor to the TEMP SENSOR connector When performing temperature measurement or using the temperature compensation p...

Страница 3: ...35 default setting MEDIUM 11 Switch the measured value display p 18 default setting V 12 Connect the measurement cables to the measurement target p 31 Black Red 13 Perform measurement p 37 To enable...

Страница 4: ...old Function 70 6 3 Contact Check 71 6 4 Switching the Input Resistance 76 Introduction 1 Verifying Package Contents 2 Safety Information 5 Operating Precautions 7 1 Overview 13 1 1 Product Overview 1...

Страница 5: ...ds 109 Setting the format for measurement 110 Setting the model name acquired by commands 110 9 Outputting Data 111 9 1 Interface Settings 111 9 2 Output Methods 112 9 3 Data Output Settings 113 10 Us...

Страница 6: ...14 3 Error Displays 176 14 4 Disposing of the Instrument 180 15 License Information 181 Appendix Appx 1 Appx 1 Block Diagram Appx 1 Appx 2 Measuring the Enclosure Potential of Laminated Lithium ion Ba...

Страница 7: ...y Notations Additional information is presented below SET bold Names and keys on the screen are indicated with bold characters Operation keys are indicate in square brackets Unless otherwise specified...

Страница 8: ...ributor or reseller Store the packaging in which the instrument was delivered as you will need it when transporting the instrument Check if the package contents are correct DM7275 or DM7276 Accessorie...

Страница 9: ...207 10cap L4933 L4935 L4936 9243 graber L4937 L4934 L9207 10 DM4910 DT4911TestLead DT4912TestLead L4930 L4931renketu L4931 L4932 9207 10cap L4933 L4935 L4936 L4934 L9207 10 Lead Lead tu 7 10cap L4933...

Страница 10: ...P IB Connector Cable 2 m L1002 USB Cable A B A B type 9642 LAN Cable For printing 9442 Printer 9443 01 AC Adapter For Japan 9443 02 AC Adapter For countries other than Japan 1196 Recording Paper 9444...

Страница 11: ...measuring live lines wear appropriate protective gear such as insulated rubber gloves boots and a safety helmet Notations In this manual the risk seriousness and the hazard levels are classified as f...

Страница 12: ...ch the instrument is rated could result in a severe accident and must be carefully avoided Using a measuring instrument without categories in an environment designated with the CAT II to CAT IV catego...

Страница 13: ...cable is exposed do not use the cable Before using the instrument for the first time verify that it operates normally to ensure that no damage occurred during storage or shipping If you find any damag...

Страница 14: ...operation CAUTION To avoid damage to the instrument protect it from physical shock when transporting and handling Be especially careful to avoid physical shock from dropping This instrument may cause...

Страница 15: ...minals to the circuit over 70 V DC to be tested Before connecting a temperature sensor IMPORTANT Connect the temperature sensor by inserting the plug all the way in the TEMP SENSOR connector Insuffici...

Страница 16: ...ure sensors are not waterproof Do not soak the sensor in water IMPORTANT The object to be measured for temperature compensation and the temperature sensor should be given adequate time to adapt to the...

Страница 17: ...e After connecting the communications cable tighten the screws on the connector securely Failure to secure the connector could result in equipment malfunction or damage Before connecting a USB flash d...

Страница 18: ...nnector Always turn off the power to the instrument and to any devices to be connected before making connections Be careful to avoid exceeding the rating of EXT I O connector signal Before connecting...

Страница 19: ...ues at a reference temperature High speed measurement and measured value memory The DM7275 DM7276 can continuously save data to its 5000 data point internal memory at speeds of up to 1 ms This capabil...

Страница 20: ...olution TRIG key Starts measurement to make measurements at the desired timing SPEED key Changes the measurement speed 3 POWER button p 28 Switches the instrument s power state OFF The instrument is o...

Страница 21: ...sor 6 EXT I O connector Used in external control p 125 Connect the input signal from a programmable controller I O board or other device to control the instrument See Before connecting to the EXT I O...

Страница 22: ...to close the screen Touch DISP Touch NUMERIC Example If you touch the measurement speed Measurement screen sub display selection Touch DISP Touch the item you wish to display on the sub display See D...

Страница 23: ...d using the operation keys and the touch panel Changing settings Settings are changed using the touch panel 1 Touch MENU 2 Touch a setting and change its value on the displayed Settings screen Returni...

Страница 24: ...ce p 27 Temperature measured values are not shown on the trend display or settings screens The instrument will continue to measure temperature internally even if the temperature is not being displayed...

Страница 25: ...ting the Instrument Changing the measurement speed See 3 3 Setting the Measurement Speed p 36 Operation key Switches the measurement speed Touch panel 1 2 1 Overview www com information itm com 1 800...

Страница 26: ...asurement with user specified timing p 38 Starting measurement Measurement can be started by either of the following methods While in the STOP state While the trigger source is set to EXTERNAL send th...

Страница 27: ...nual describes how to display Settings screens as included in the broken border below The indicated keys should be touched starting on the Measurement screen Example Measurement screen MENU MATH COMP...

Страница 28: ...als p 26 5 Connect the temperature sensor to the TEMP SENSOR connector When performing temperature measurement or using the temperature compensation function p 27 6 Configure and connect the external...

Страница 29: ...he measurement cables or is there any metal exposed on the cables No Yes If you find any damage it may cause a short circuit or electric shock Replace the damaged cables 2 Inspecting the instrument Is...

Страница 30: ...he main power switch 2 Verify that the power supply voltage conforms to the instrument s specifications 3 Connect the power cord to the power inlet on the instrument 4 Connect the cord to the power ou...

Страница 31: ...oki measurement cables to the instrument s measurement terminals Use only Hioki measurement cables See Options Sold Separately p 3 and 3 1 Connecting the Measurement Cables Measurement Target p 31 Pro...

Страница 32: ...sor Measurement target 2 3 TEMP SENSOR connector 1 Turn off the main power switch 2 Connect the temperature sensor to the TEMP SENSOR connector 3 Position the end of the temperature sensor close to th...

Страница 33: ...EP state when the main power switch is turned back on Front POWER button Rear Main power switch Turning on the main power switch Set the main power switch to ON I The POWER button will turn red or gre...

Страница 34: ...uring the self test Manufacturer name and model number Software version Communications interface settings Detected power supply frequency EXT I O NPN PNP setting No error found Error found Measurement...

Страница 35: ...ting the Time and Date Before making measurements set the instrument s time and date Measurement screen MENU SYSTEM 1 2 2 1 Example Setting the month Default setting 12 00 am on January 1 2015 www com...

Страница 36: ...2 Caps Fit the caps to the metal pins to prevent short circuits The test leads can also be used with the caps removed 3 Barriers The barriers indicate the safe distance from the metal pins During meas...

Страница 37: ...cable colors with the measurement target s polarity L9207 10 Test Lead L4933 Contact Pin Set L4933 pin diameter 1 0 mm L9207 10 Test Lead L9434 Small Alligator Clip Set Connect taking care to align t...

Страница 38: ...0 Connection Cable Set L4935 Alligator Clip Set Red Black Connect taking care to align the measurement cable colors with the measurement target s polarity Clip at the middle of the clip L4930 Connecti...

Страница 39: ...onnect taking care to align the measurement cable colors with the measurement target s polarity The clip will close when you release your fingers 1 2 3 To apply the clip to a thick target 1 Rotate the...

Страница 40: ...range operation Setting with the operation keys Setting with the touch panel Manual range operation Press the keys Each time you press one of the keys the range decimal point position and unit will ch...

Страница 41: ...t by user As set by user PLC stands for power line cycle The interval of 1 PLC is equivalent to one cycle of the supplied power source If using the instrument in an area with 50 Hz power 1 PLC 1 50 20...

Страница 42: ...ct the instrument to another measurement target Continuous measurement has stopped the instrument is in the STOP state Either start continuous measurement by placing the instrument in the RUN state or...

Страница 43: ...trigger will be applied automatically and measurement will continue Inputting the trigger while the instrument is not in the RUN state will cause measurement to be performed the set number of times t...

Страница 44: ...nd Set a long delay time at first and then gradually shorten the time while viewing measured values Measurement count You can set how many measurements to perform for each trigger event from 1 to 5000...

Страница 45: ...until the next trigger input Self calibration will not be performed until the set number of measurements is performed In the event that the value obtained by multiplying the integration time by the m...

Страница 46: ...ON OFF EOM ON ON OFF Measurement time Measurement count n Contact check Delay 1st measurement 2nd measurement nth measurement Trigger standby Measurement time reference value Integration time setting...

Страница 47: ...eet or other software to open it IMPORTANT The instrument s internal memory is erased at the following times When the instrument is reset When a panel is loaded When CLR is touched on the Trend Displa...

Страница 48: ...ollowing page for more information BAR GRAPH Bar graph display TREND Trend display p 45 STATISTICS Statistics display p 84 INFORMATION List of current settings The trend display consists of the conten...

Страница 49: ...sub display Example Displaying the Settings screen for comparator measurement The screen display varies with the combination of comparator measurement and BIN measurement Comparator OFF BIN OFF Compa...

Страница 50: ...axis Touch the magnifying glass icon to change the display CLR Clear the measured data AUTO ONCE Sets the voltage axis to the optimal value based on the currently displayed waveform performed once wh...

Страница 51: ...terminals In the event of poor contact this error will be displayed and the ERR signal will be output from the EXT I O terminal If the measurement target is conductive paint conductive rubber or a si...

Страница 52: ...om the EXT I O Order Measurement error detection Screen display EXT I O connector 1 Temperature compensation error Yes Err TC ERR signal output No 2 Display Higher than upper limit Yes OvrRng HI signa...

Страница 53: ...120 000 dgt 4 5 12 000 dgt 3 5 1 200 dgt When the number of display digits is decreased digits that are not displayed are rounded off Printed results are linked to the displayed digits When the numbe...

Страница 54: ...ments Measurement screen MENU MEAS LABEL 1 2 3 Enter text and touch ENT CLR Deletes all entered text BS Deletes the previous character CNCL Cancels the setting and returns to the previous screen Moves...

Страница 55: ...g the sign of measured values See 4 1 To Obtain Accurate Judgments Even When the Polarity of the Measurement Target Battery etc Is Reversed p 52 Comparator measurement and BIN measurement use the same...

Страница 56: ...hen both the upper limit and lower limit values are positive Upper limit and lower limit values Upper limit HI IN Lower limit LO 0 Lower limit LO IN Upper limit HI When lower limit value measured valu...

Страница 57: ...1 Enable the comparator function Default setting OFF When this function is set to OFF upper limit and lower limit values are disabled even if they have been previously set 2 Enable upper limit and low...

Страница 58: ...ollowing judgments may be shown when the instrument is not able to perform measurement normally Measured value display Judgment OvrRng HI if only a lower limit value was set IN OvrRng If the absolute...

Страница 59: ...dgment and the number of tones to be sounded 3 Select the type of judgment tone to use Default setting OFF 4 Select the number of times the selected tone should be sounded CONT Continuous tone Default...

Страница 60: ...nge When judgment delay is enabled the judgment will be output after the same judgment is obtained the set number of times Measurement screen MENU MATH COMP 1 2 Enable the judgment delay Default setti...

Страница 61: ...rement targets into ranks The BIN number corresponding to the applicable judgment standard is displayed on the screen and a signal can be output from the EXT I O connector Measured values that do not...

Страница 62: ...touch ENTER CLR Deletes the entire value BS Deletes the previous character CANCEL Cancels the setting and returns to the previous screen Default setting 0 V valid setting range 1000 V to 1000 V If the...

Страница 63: ...lowing judgments may be shown when the instrument is not able to perform measurement normally Measured value display BIN judgment OvrRng OB out of range OvrRng OB out of range NoCntct or No judgment S...

Страница 64: ...nel data is maintained even when the instrument is turned off Measurement conditions can also be saved on a USB flash drive See 10 Outputting and Loading Measurement Conditions USB Flash Drive p 120 I...

Страница 65: ...er to save NULL values Measurement screen MENU PANEL 1 Select a panel number 2 3 Select whether to save NULL values Checked Saves NULL values Not checked Does not save NULL values 4 When saving to an...

Страница 66: ...nditions will be saved as panel data CLR Deletes all characters BS Deletes the previous character CNCL Cancels the setting and returns to the previous screen Moves the cursor A Switches to uppercase c...

Страница 67: ...mands from an external device See the Communication Command Instruction Manual on the included application disk By sending signals from an external device See 11 External Control EXT I O p 125 8 Prepa...

Страница 68: ...o 10 characters may be entered CLR Deletes all characters BS Deletes the previous character CNCL Cancels the setting and returns to the previous screen Moves the cursor A Switches to uppercase charact...

Страница 69: ...Deleting a Panel 5 4 Deleting a Panel Measurement screen MENU PANEL 1 Select the panel data you wish to delete 2 3 Touch OK to delete the selected panel data www com information itm com 1 800 561 818...

Страница 70: ...C FAST 1 PLC 10 PLC MEDIUM 10 PLC 100 PLC SLOW 100 PLC ms 1 ms to 9999 ms As set As set As set PLC stands for power line cycle where 1 PLC is equivalent to the duration of one cycle of the power being...

Страница 71: ...ible to the effects of the external environment See Appx 4 Noise Countermeasures p Appx 8 When the integration time is set to 0 02 PLC an integration time of 0 4 ms will be used regardless of the powe...

Страница 72: ...D4 measured values when the smoothing count is set to 3 Measurement count First measurement Second measurement Third measurement Fourth measurement Display value D1 D1 D2 2 D1 D2 D3 3 D2 D3 D4 3 Meas...

Страница 73: ...ancels the setting and returns to the previous screen Valid setting range 0 001 to 1 000 of the range default setting 0 1 The HOLD icon will be displayed on the Measurement screen while the measured v...

Страница 74: ...oil Outer film Instrument display Measured value display NoCntct display The contact check function can be used with the 10 V range and lower ranges Contact check can be enabled 100 mV range 1000 mV r...

Страница 75: ...nd used as a guideline when determining the threshold If the capacitance monitor value is the same as the contact check threshold the instrument may either detect a contact error or display the measur...

Страница 76: ...ts default value CANCEL Cancels the setting and returns to the previous screen Default setting 1 nF valid setting range 0 5 nF to 50 nF 3 1 2 3 Set the contact check integration time CLR Reverts the s...

Страница 77: ...ment starts Enabling the contact check function causes the measurement time to increase For more information 11 6 Timing Chart p 139 Good contact TRIG ON EOM ON ERR OFF OFF Contact state Contact Separ...

Страница 78: ...75 Contact Check Poor contact TRIG ON EOM ON OFF ERR ON OFF Contact state Contact Separation Contact check Delay Measurement 6 Useful Functionality www com information itm com 1 800 561 8187...

Страница 79: ...range AUTO input resistance setting 10 M input resistance setting 100 mV 1000 mV 10 V V 10 G 10 G V 10 M 100 V 1000 V V 10 M When the input resistance is set to 10 M measurement is more prone to the...

Страница 80: ...are performed in the following order when these functions are enabled Measured value V V Zero point adjustment NULL VM V VN NULL value VN VM Temperature compensation TC VT0 VM 1 T T0 T Ambient temper...

Страница 81: ...ting a NULL value as desired Adjusting the zero point using the currently displayed measured value 1 Press the NULL key 2 The zero point will be adjusted The NULL icon will be displayed on the Measure...

Страница 82: ...e entire value BS Deletes the previous character CANCEL Cancels the setting and returns to the previous screen Default setting 0 V valid setting range 1000 V to 1000 V The zero point will be adjusted...

Страница 83: ...rature C T0 Temperature coefficient at T0 1 C VT VT0 T0 T Compensation Reference temperature Current temperature Example Under the following conditions the voltage value at 20 C is calculated as shown...

Страница 84: ...instrument s temperature compensation function corrects temperature by treating the temperature dependence of the measurement target as a linear function The error will increase if the measurement ta...

Страница 85: ...ent or speed for display by changing the display unit to the desired string This functionality is useful when correcting output from a current detection resistor shunt resistor or sensor Measurement s...

Страница 86: ...previous screen 9 Switches to numerals Moves the cursor Switches to symbols The number of display digits will be adjusted so that the integer portion of the result of A pre scaling maximum display B i...

Страница 87: ...ard deviation Process capability index variability Cp UPP LOW n 6 1 Process capability index bias Cpk UPP LOW UPP LOW x n 2 6 1 The process capability index expresses the ability of the process to ach...

Страница 88: ...n you touch PAGE1 When the comparator function is ON NUM Total number of data points VAL Number of valid data points Max No Maximum value Index number Min No Minimum value Index number P P Maximum val...

Страница 89: ...he instrument is reset p 93 When measurement conditions are loaded using the panel load function When the instrument is turned off p 28 Printing Touching PRINT prints the statistical calculation resul...

Страница 90: ...led the KEY icon will be displayed at the top of the screen To cancel the key lock Touch and hold UNLOCK for at least 1 sec The key lock function can also be enabled by the methods listed below in whi...

Страница 91: ...tor judgment tone see To check judgments aurally p 59 Measurement screen MENU SYSTEM 1 2 Set the volume OFF No volume SMALL Low volume MED Normal volume default setting LARGE High volume 3 Set the ope...

Страница 92: ...strument is being used Measurement screen MENU SYSTEM Increases the screen brightness Decreases the screen brightness Default setting 80 brightness 7 4 Changing the Screen Color You can change the scr...

Страница 93: ...frequency and sets it to either 50 Hz or 60 Hz as appropriate when the instrument is turned on or reset and when settings are changed default setting 50 Hz Sets the power supply frequency to 50 Hz 60...

Страница 94: ...s will not be initialized PANEL Loads the specified panel 3 When PANEL is selected 1 2 Specify the panel number Increases the value by 1 Decreases the value by 1 CLR Resets the value to 0 CANCEL Cance...

Страница 95: ...t be set to TAB Measurement screen MENU SYSTEM LOCALE DATE Output date Y Year M month D day DATE SEPARATOR Date delimiter Slash Hyphen Period DECIMAL POINT Decimal point Period Comma SEPARATOR Output...

Страница 96: ...nitializes all settings to the factory settings There are two ways to trigger this reset Selecting the system reset command on the SYSTEM screen Turning on the instrument while holding down the AUTO a...

Страница 97: ...0 ppm C Reference temperature 20 C Scaling OFF A 1 B 0 Unit V Contact check OFF Threshold 1 nF Contact check integration time 10 ms Comparator OFF Upper limit and lower limit values 0 V ON HIGH judgme...

Страница 98: ...YMMDD Date delimiter Slash Decimal point Period Data delimiter Comma Buzzer Volume MED Operation tone ON Auto hold tone ON Error tone ON Communications monitor OFF Log OFF Startup settings Startup set...

Страница 99: ...tware can be downloaded from our website http www hioki com Choose one interface to use Communications control cannot be used at the same time See 13 4 Interface Specifications p 163 About communicati...

Страница 100: ...ships with Windows to be automatically installed The instrument cannot communicate properly with the standard Windows USB driver 1 Set the communications conditions Measurement screen MENU I F 1 2 3...

Страница 101: ...trument will be recognized automatically when it is connected to the computer using a USB cable Check which COM port the instrument is connected to using the computer s Device Manager If the New Hardw...

Страница 102: ...nications conditions Measurement screen MENU I F 1 2 3 Select the transfer speed baud rate Default setting 9600 bps 2 Configure the external device that will be connected to the instrument computer pr...

Страница 103: ...ations The instrument uses pin numbers 2 3 and 5 Other pins are unused Pin no Signal name Signal Remarks Common name EIA JIS 1 DCD CF CD Data carrier detect Not connected 2 RxD BB RD Receive data 3 Tx...

Страница 104: ...le 1 Set the communications conditions Measurement screen MENU I F 1 2 3 1 2 3 Set the address Increases the address by 1 Decreases the address by 1 CLR Sets the address to 0 CANCEL Cancels the settin...

Страница 105: ...e connecting to the RS 232C or GP IB connectors p 11 carefully Connect the GP IB connection cable to the instrument s GP IB connector When connecting the cable be sure to tighten the fastening screws...

Страница 106: ...k Connecting the instrument and computers to a network Connecting the instrument to a single computer Hub Hub In addition you can control the instrument using communications commands by creating a pro...

Страница 107: ...__ ___ ___ Subnet mask ___ ___ ___ ___ Gateway Whether to use a gateway Use Do not use IP address if using ___ ___ ___ ___ If not using set to 0 0 0 0 Port number used by communications commands ____...

Страница 108: ...When connecting the instrument to a network When the computer being used or the device you are using to communicate with the instrument is on a different network than the network to which the instrum...

Страница 109: ...screen IP address setting Increases the address by 1 Decreases the address by 1 CLR Sets the address to 0 CANCEL Cancels the setting and returns to the previous screen Default settings IP address 0 0...

Страница 110: ...le Green LED On Link Flashing Communicating Orange LED Off 10Base TX On 100Base TX Computer or hub Instrument s LAN connector Recommended cables 9642 LAN Cable optional or a 100Base TX or 10Base T com...

Страница 111: ...argument is out of range PARAM ERROR If an execution error occurs EXE ERROR In addition the approximate location of the error will also be displayed Improper argument 10000 out of range VOLT DC NPLC 1...

Страница 112: ...t the communications window see the Communication Command Instruction Manual on the included application disc Setting the model name acquired by commands You can set the string returned to the externa...

Страница 113: ...created program USB KEYBD Connect the instrument to a computer with a USB cable Data can be output to a text editor or spreadsheet as if it were being typed on a keyboard USB MEMORY When the SAVE key...

Страница 114: ...necting the instrument to a computer launch the application and place it in the receive standby state USB KEYBD 1 Launch the application text editor or spreadsheet 2 Place the cursor at the position i...

Страница 115: ...lue default setting V TEMP Voltage value and temperature DATE TIME Measurement time and date default setting OFF output disabled COMP CONDITION ALL All judgments default setting HI HI judgments IN IN...

Страница 116: ...E 36 100 V E 00 990 00000E 35 991 00000E 35 1000 V E 00 9900 0000E 34 9910 0000E 34 Temperature unit C Measured value When OvrRng or OvrRng is displayed At measurement error 9 900E 37 9 910E 37 USB ME...

Страница 117: ...s Panel data can be output with measurement conditions Loading measurement conditions Measurement conditions stored on a USB flash drive can be loaded into the instrument s internal memory Panel data...

Страница 118: ...recognize a USB flash drive try a different drive Removing the drive Verify that the instrument is not accessing the USB flash drive to output or load data etc and then pull it out of the connector I...

Страница 119: ...is selected data cannot be saved on a USB flash drive 10 4 Setting the Output Data Type This section describes how to set the type of data to output to the USB flash drive Measurement screen MENU FIL...

Страница 120: ...econds You can take screenshots with the TRIG key even if the output format is set to TEXT DATA The following actions cause a new save file to be created Inserting a USB flash drive while the instrume...

Страница 121: ...ame 2 Enter text and touch ENT Up to 8 characters can be entered CLR Deletes all characters A Switches to uppercase characters BS Deletes the previous character a Switches to lowercase characters CNCL...

Страница 122: ...wish to back up settings or copy settings to multiple instruments You can select whether to output panel data Measurement screen MENU FILE 1 2 To change the filename 2 Enter text and touch ENT Up to 8...

Страница 123: ...itions to the USB flash drive The output files have the following extensions SET Measurement conditions ALL Measurement conditions and panel data The output settings are recorded as textual communicat...

Страница 124: ...t loaded Measurement screen MENU FILE 1 2 Select the measurement conditions File content varies with the extension SET Measurement conditions ALL Measurement conditions and panel data 3 4 Select wheth...

Страница 125: ...s internal memory output collectively See Outputting all measurement data p 119 MEM_XXX or user specified filename CSV Screenshot data See Outputting measurement data or screenshots p 118 SCRN_XXX BMP...

Страница 126: ...an be switched to support either current sink output NPN or current source output PNP p 126 Connect the instrument to a control system after reviewing the input and output ratings internal circuit arc...

Страница 127: ...le controller that can be supported The instrument ships with the switch in the NPN position Left Current sink NPN Right Current source PNP See Internal circuit architecture p 133 NPN PNP switch setti...

Страница 128: ...gnal Acquire judgment results HI IN LO ERR signals 2 Acquiring BIN judgment results Start measurement TRIG signal Measurement complete EOM signal Acquire measured values BIN0 to BIN9 signals OB signal...

Страница 129: ...ed n a n a n a 25 Reserved n a n a n a 7 Reserved n a n a n a 26 PRINT IN1 IN Measured value printing General purpose input Edge 8 ISO_5V n a Isolated power supply 5 V 5 V output n a 27 ISO_COM n a Is...

Страница 130: ...RINT signal it is possible to print the measured value and judgment result that are current as of the signal s edge 12 Printing p 147 KEY_LOCK When the KEY_LOCK signal is on all instrument key operati...

Страница 131: ...r Than Measured Values p 46 HI IN LO These signals are used to output comparator judgment results OB BIN0 to BIN9 The BIN judgment results are output from pins 13 to 17 and pins 31 to 36 when BIN meas...

Страница 132: ...e BIN judgment results are output from pins 13 to 17 and pins 31 to 36 See 4 3 BIN Measurement Using Multiple Judgment Standards p 57 When BIN measurement is OFF Pin Signal Pin Signal 9 ISO_COM 28 EOM...

Страница 133: ...FF Panel 10 OFF ON OFF ON ON Panel 11 OFF ON ON OFF OFF Panel 12 OFF ON ON OFF ON Panel 13 OFF ON ON ON OFF Panel 14 OFF ON ON ON ON Panel 15 ON OFF OFF OFF OFF Panel 16 ON OFF OFF OFF ON Panel 17 ON...

Страница 134: ...rnal power supply to pin 8 Internal isolated common Isolated from the instrument s protective ground Internal isolated power supply Instrument Programmable controller etc Output Common Input Common Re...

Страница 135: ...s load current of 10 mA Built in isolated power supply Output voltage Sink output 5 0 V 0 8 V Source output 5 0 V 0 8 V Maximum output current 100 mA External power supply input None Isolation Floatin...

Страница 136: ...ler Connection to programmable controller positive common input Connection to programmable controller negative common input Instrument Instrument Instrument Instrument Instrument Instrument Negative l...

Страница 137: ...EOM signal output type p 137 12 Printing p 143 Input filter The instrument s filter function provides an effective way to eliminate chatter when connecting a foot switch or other device to the TRIG a...

Страница 138: ...ent screen MENU EXT I O 1 2 Select the output type HOLD Holds the EOM signal after measurement is complete default setting PULSE Outputs a pulse with the set width after measurement is complete 3 Afte...

Страница 139: ...rument s screen Measurement screen MENU EXT I O EXT I O TEST 1 Touch the signal you wish to output Check the connected device to verify that the signal is being output from the instrument 2 Input a si...

Страница 140: ...cquisition time external trigger 50 Hz power 60 Hz power FAST 1 PLC 27 2 ms 23 8 ms MEDIUM 10 PLC 245 ms 205 ms SLOW 100 PLC 3 92 sec 3 37 sec Other integration time Integration time 5 3 ms T6 Acquisi...

Страница 141: ...soon as the judgment result HI IN LO ERR or BIN has been finalized If the connected external device s input circuitry is characterized by a slow response it may take time for the judgment result to b...

Страница 142: ...rement Calculation Self calibration Measurement speed can be maximized with the following settings Setting For more information Contact check CONTACT CHECK OFF 6 3 Contact Check p 71 Trigger delay DEL...

Страница 143: ...evice and loading judgment results This section describes the measurement process from the start of measurement to the acquisition of judgment results when inputting the trigger from an external devic...

Страница 144: ...Statistical calculation results You will need 9442 Printer 9443 01 AC Adapter for Japan or 9443 02 AC Adapter for countries other than Japan 1196 Recording Paper 9444 Connection Cable Use the optional...

Страница 145: ...et the input method setting to SERIAL The input content will be printed each time you press the switch so that you can check the input results after each press If you mistakenly enter the wrong settin...

Страница 146: ...OFF Press FEED switch 1 Print mode Normal print 40 row Condensed print 80 row 2 User defined character backup Enable Disable 3 Character type Normal characters Special characters 4 Zero character 0 5...

Страница 147: ...printer p 12 carefully Connection method Rear Main power switch 9444 Connection Cable Power OFF 1 ON 3 2 connections Power OFF 1 ON 4 9442 Printer 12 3 Configuring the Instrument Measurement screen M...

Страница 148: ...from the instrument s touch panel Touching PRINT will cause the data to be printed To print measured values used in statistical calculations See Displaying clearing and printing statistical calculati...

Страница 149: ...11 35 1 497883 V 26 4C 2015 01 11 21 12 25 NoCntct 26 4C 2015 01 11 21 12 39 OvrRng 26 4C 2015 01 11 21 12 48 OvrRng 26 4C Voltage measured values and temperature measured values comparator on Times d...

Страница 150: ...117 NUM 61 VAL 100 VAL 55 Max 1198 4368mV Max 1198 0933mV No 64 No 43 Min 299 46880mV Min 194 31234mV No 32 No 17 P P 1497 9056mV P P 1392 4056mV Avg 437 81887mV Avg 520 12336mV Sn 367 66608mV Sn 386...

Страница 151: ...s and interface 3600 V AC 1 min cutoff current of 10 mA Between HIGH terminal and LOW terminal and protective ground 2210 V AC 1 min cutoff current of 10 mA Power supply Rated supply voltage 100 V to...

Страница 152: ...terminals 1000 V DC between HIGH and LOW terminals 105 VHz AC 1500 Vpk However measurement target must be isolated from ground when measuring voltages in excess of 800 V Maximum rated input to ground...

Страница 153: ...asurement times Voltage measurement RUN state Single measurement time of T3 T4 T6 T7 T10 tolerance of 10 0 2 ms Other than RUN state From trigger input until EOM turns on T2 T3 T4 T5 T7 tolerance of 1...

Страница 154: ...From EOM signal output to TRIG signal input 1 ms or greater T9 EOM pulse width other than RUN state 1 ms to 100 ms T10 EOM pulse width RUN state 50 Hz power frequency TI 0 02PLC to 1PLC 32 8 ms TI 10P...

Страница 155: ...Integration time TI Additional error 10 PLC TI None 1 PLC TI 10 PLC 0 0001 of range 0 5 V 0 2 PLC TI 1 PLC 0 0003 of range 1 V 0 02 PLC TI 0 2 PLC 0 0010 of range 2 V Temperature compensation error Wh...

Страница 156: ...um input voltage 1000 V peak Separate table 2 DM7276 Range Maximum display Maximum resolution Measurement accuracy Input resistance AUTO 10 M 100 mV 120 000 00 mV 10 nV 0 0015 rdg 2 V 10 G 10 M 1 1000...

Страница 157: ...h measured value Settings Smoothing ON OFF Number of averaging iterations 2 to 100 Default settings Smoothing OFF number of averaging iterations 4 Triggers Continuous measurement Settings RUN STOP Whe...

Страница 158: ...ment so that the integer portion is from 2 to 4 digits long 1800 500k SI prefix is k Default settings Scaling OFF A 1 B 0 Unit V Over range indication An over range is indicated under the following co...

Страница 159: ...F IN judgment tone OFF LOW judgment tone OFF Number of beeps 2 BIN Judgment BIN nos 0 to 9 Out of BINs IN judgment Upper limit value measured value lower limit value OUT judgment Lower limit value mea...

Страница 160: ...imum value index number maximum value minimum value average value sample standard deviation population standard deviation total number of data points number of valid data points When the comparator is...

Страница 161: ...pplies to screen display USB flash drive output USB keyboard output and printer output Default settings Date YYYYMMDD Date delimiter Slash Decimal point Period Data delimiter Comma Self test ROM test...

Страница 162: ...instrument in the remote state and disables touch panel and key operations The TRIG key functions except while the instrument is in the RUN state The remote state can be canceled as follows By pressi...

Страница 163: ...class USB COM USB host standard equipment Not available when USB device is selected Class Mass storage class FAT16 32 support no VFAT support Capacity limit Up to 128 GB theoretical value Saving of m...

Страница 164: ...ia communications commands Setting Transmission speed 9600 bps 19200 bps 38400 bps Default setting Transmission speed 9600 bps Printer 03 model Supported printers Interface RS 232C Number of character...

Страница 165: ...non polar Maximum load voltage 30 V DC Residual voltage 1 V or less with load current of 50 mA or 0 5 V or less with load current of 10 mA Maximum output current 50 mA channel Output signals EOM HI I...

Страница 166: ...ct so that it is not adequately cushioned and it suffers damage during shipment you will be billed for the cost of repair even if the product is still within the warranty period Be sure to disconnect...

Страница 167: ...is in the halt state Push the start button p 28 Does not light up Light is OFF The instrument is not receiving power Check the continuity of the power cord Verify that the circuit breaker has not tri...

Страница 168: ...bject to be measured is high The instrument s bias current or input resistance is affecting measurement results If the range is 10 V or less set the input resistance to AUTO p 76 p Appx 5 Temperature...

Страница 169: ...Clean or replace the metal pins probes Increase the contact pressure p 31 The measurement target is made of a material such as conductive paint or conductive rubber resulting in a high resistance valu...

Страница 170: ...G key to execute triggered measurements or restart continuous measurements p 37 p 38 3 Communications Operation can be easily confirmed by referring to 8 3 Communications Settings p 109 No Issue Items...

Страница 171: ...p 100 The input buffer 256 bytes is full Insert a dummy query after sending several lines of commands Example Send OPC Receive 1 CD Execution error The command string is correct but the instrument is...

Страница 172: ...ion of TRIG signal ON is short Ensure that the ON time is at least 0 1 ms Duration of TRIG signal OFF Less than 1 ms Duration of TRIG signal OFF is short Ensure that the OFF time is at least 1 ms Inpu...

Страница 173: ...oller cannot detect the EOM signal Increase the pulse output time of the EOM signal or set the output setting to hold p 137 Hold The measurement time is short and the interval during which the EOM sig...

Страница 174: ...is displayed in the following cases Metal pin of the measurement cable is not in contact The contact is not stable Metal pin of the measurement cable or object to be measured is dirty or has an oxide...

Страница 175: ...ed Turn OFF the auto hold function p 70 ERR 005 Unable to set NULL due to an abnormal measurement value When OverRng NoCntact or is displayed NULL value cannot be obtained Return from the abnormal mea...

Страница 176: ...rive ERR 079 Error while reading the USB memory An error occurred while reading the USB flash drive The file may be damaged Recover the file or use a different USB flash drive ERR 080 Unable to enter...

Страница 177: ...in use Overwrite Overwrite an existing panel Do you want to overwrite INFO 014 Saving the panel The panel is being saved INFO 015 The panel will be deleted The panel will be deleted INFO 030 The file...

Страница 178: ...the instrument is malfunctioning If this error is displayed continuously request for service Err AD A communication error with A D converter There is a failure in communicating with the A D converter...

Страница 179: ...One pair of tweezers to remove the lithium battery 1 Verify that the power to the instrument is OFF and unplug the power cord and any other cords or cables 2 Remove the six screws from the sides Lithi...

Страница 180: ...e name of the author may not be used to endorse or promote products derived from this software without specific prior written permission THIS SOFTWARE IS PROVIDED BY THE AUTHOR AS IS AND ANY EXPRESS O...

Страница 181: ...ween HIGH and LOW is measured by the contact check circuit If the impedance is high a contact error is determined to have occurred The contact check function can be used from the 100 mV range to the 1...

Страница 182: ...foil The lithium ion battery s performance may be degraded if cracks form in the enclosure aluminum s insulating film Between the electrolyte and the enclosure aluminum Cracks in the aluminum laminate...

Страница 183: ...ium ion batteries For the above reasons the enclosure potential of laminated lithium ion batteries is assessed by measuring the potential difference between the positive electrode and the enclosure al...

Страница 184: ...ls Poor contact is a particular issue with the enclosure aluminum due to the fact that it is coated with an insulating film Be sure to enable the instrument s contact check function so that you do not...

Страница 185: ...force by using copper for contacts such as banana terminals and crimp terminals and as a wiring material Typical banana terminals and crimp terminals use brass as a material making them poorly suited...

Страница 186: ...ted when selecting the 100 V range or the 1000 V range or when fixing the input resistance to 10 M for the 100 mV range to the 10 V range Example Measuring a coin battery with an open voltage of 3 V w...

Страница 187: ...fficient error Generally speaking caution should be exercised when measuring voltages in excess of 300 V RIN V Input resistance Voltage Figure Effects of High Voltage Measurement Effects of burst nois...

Страница 188: ...ndergo capacitive coupling at 1 pF RMS RMS N nA 38 V 100 pF 1 60 2 Z V i The noise current is converted into the noise voltage ROUTin by the output resistance ROUT If the output resistance is 1 k nois...

Страница 189: ...S Low Noise voltage Voltage Voltage Loop area Magnetic flux Figure 3 Noise Coupling from a High current Circuit Figure 4 Noise Countermeasure Twisting Wires Together Twisting wires together If induced...

Страница 190: ...spike currents flow to the power supply while such equipment is operating as well as when it starts and stops These spikes combine with the power line s wiring impedance to create a large spike volta...

Страница 191: ...sure will be Isolation Photoisolation of control lines is an effective noise countermeasure It is also effective to isolate power lines with a noise suppressing transformer Please note that use of a c...

Страница 192: ...t least 200 greater than the switching voltage A relay with a rated voltage of 110 V will support a switching voltage of 55 V or less 4 When using an OptoMOS relay choose a relay with a small output p...

Страница 193: ...contacts are off when it is turned on and off 2 Allow an interval of time when all contacts are off when switching contacts break before make 3 Insert a fuse into the measurement line Avoid use of fus...

Страница 194: ...JIS compliant This spacer should be installed between the instrument and the rack mounting hardware Two are required 86 61 25 18 9 SPCC t 1 6 mm 2 5 4 C2 Rack mounting bracket EIA compliant to mount 1...

Страница 195: ...he right 2 4 5 62 88 26 44 35 SPCC t 2 0 mm 8 35 21 5 10 3 7 1 7 1 82 1 2 R 2 R 5 9 10 3 Rack mounting bracket JIS compliant to mount 1 instrument SPCC t 2 0 mm 45 45 480 460 216 4 12 12 25 25 99 61 6...

Страница 196: ...cting bracket EIA and JIS compliant Two are required same design used on both left and right SPCC t 1 6 mm 28 40 40 205 198 150 150 8 26 4 20 4 5 5 10 86 36 3 5 A Max 5 20 4 4 5 2 3 5 2 M3 screw hole...

Страница 197: ...the instrument by more than 3 5 mm When removing the rack mounting brackets and restoring the instrument to its bench top configuration use the screws with which the instrument shipped at the time of...

Страница 198: ...ur M4 10 mm screws Insert a spacer on both sides of the instrument and attach the rack mounting brackets JIS compliant hardware You will need Four M4 10 mm screws Insert a spacer on both sides of the...

Страница 199: ...ll be attached and attach the rack mounting brackets with the MR 10 mm screws total of four 2 Attach the connecting brackets to the inside of each instrument using the M4 10 mm screws total of six 3 P...

Страница 200: ...2 Position the instruments so that the connecting brackets are aligned and secure them together with the four M3 6 mm screws on top and bottom 3 Insert a spacer on the outside of each instrument no sp...

Страница 201: ...Appx 21 Outline Drawings Appx 8 Outline Drawings 231 88 14 232 215 14 Unit mm 10 9 8 7 6 5 4 3 2 1 Appx www com information itm com 1 800 561 8187...

Страница 202: ...0 V 0 V 10 V 100 V 0 V 100 V 1000 V 0 V 1000 V Temperature 25 C 2186 0 0 1 input Fluke multi product calibrator 5520A equivalent Connection methods FLUKE 5730A High Low High Low Instrument Low thermal...

Страница 203: ...x 10 Adjustment The adjustment screen accessible on the MENU SYSTEM screen is used by Hioki for repair and adjustment purposes It is not for customer use 10 9 8 7 6 5 4 3 2 1 Appx www com information...

Страница 204: ...Source PNP 126 D Date 30 Display digits 48 Disposing 180 E Enclosure potential of batteries 72 Appx 2 EOM signal 130 Error displays 176 External control 125 External input and output Configuring 136 E...

Страница 205: ...sporting 167 Trends 43 45 Trigger 38 Loading From internal memory panel data 61 From USB flash drive panel data 122 LOAD signal 129 M Main power switch 15 MANUAL 36 Measured value is fixed 37 Measurem...

Страница 206: ...Connector 15 Settings 98 USB driver 99 USB flash drive Connector 14 How to use 115 V Variability 69 Voltage trends 43 W Waveform 45 When the instrument starts up 91 Z Zero point 78 10 9 8 7 6 5 4 3 2...

Страница 207: ...13 09 www com information itm com 1 800 561 8187...

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