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TH2683A Operation Manual

Ver.1.3

21

3.4.3

Range Selection

There are six range resistances in TH2683A. They constitute six range segments (refer to figure
3

‐

1 below).

Range

Input Internal Resistance

1(1mA)

1k

Ω

2(100uA)

10k

Ω

3(10uA)

100k

Ω

4(1uA)

1M

Ω

5(100nA)

10M

Ω

6(10nA)

100M

Ω

Figure 3

‐

1 Range resistances

When the RANGE SET of the instrument is set as AUTO, for different resistances being measured,
the instrument will choose the optimal input resistance to achieve ideal measurement results.

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Содержание TH2683A

Страница 1: ...oad New District Changzhou Jiangsu T T Te e el ll 0 0 05 5 51 1 19 9 9 8 8 85 5 51 1 13 3 32 2 22 2 22 2 22 2 2 8 8 85 5 51 1 11 1 13 3 33 3 34 4 42 2 2 F F Fa a ax x x 0 0 05 5 51 1 19 9 9 8 8 85 5 5...

Страница 2: ...s 2 2 Introduction to Front and Rear Panels 3 2 1 Introduction to Front Panel 3 2 2 Introduction to Rear Panel 4 2 3 Display Zone 5 2 4 Introduction to Buttons on Front Panel 6 2 4 1 MEAS 6 2 4 2 SYST...

Страница 3: ...or OUTP RESU 19 3 3 8 PULSE WID 19 3 4 Start Test 19 3 4 1 Test Method 19 3 4 2 Operation Process 20 3 4 3 Range Selection 21 4 System Setup and File Manage 22 4 1 System Setup 22 4 1 1 BEEPER 22 4 1...

Страница 4: ...Measurement Accuracy 31 5 3 1 Basic Accuracy for Resistance Measurement 32 6 Remote Control 33 6 1 RS232C Connection 33 6 2 SCPI Standard Commands for Programmable Instruments 34 6 3 USBTMC Remote Con...

Страница 5: ...kage 56 9 4 Shipping 57 9 5 Storage 57 9 6 Warranty 57 Declaration The descriptions contained in this manual may not cover all information about this instrument Introductions to the improvements of th...

Страница 6: ...ctions of the instrument through microcomputer The instrument has a powerful anti jamming capability which makes the measurement more reliable 1 2Unpacking Inspect the shipping container for damage af...

Страница 7: ...acking box The environment temperature should be kept in the range of 0 to 40 and the relative humidity should not be greater than 90 RH The box should be located in an airy room where it could be exp...

Страница 8: ...FETY SUMMARY IN THE OPERATION MANUAL MEAS SYSTEM FILE ENTER TEST DISCH TH2683A Insulation Resistance Meter Figure 2 1 Front Panel 1 USB interface HOST interface of USB 2 LCD and touch screen 480 272 d...

Страница 9: ...instrument trademark and model 12 POWER It is the power switch 2 2Introduction to Rear Panel Figure 2 2 shows the rear panel of TH2683A 1 2 3 4 5 6 DEVICE HANDLER RS 232C FOOT C RATING FUSE T2AL 110V...

Страница 10: ...is interface 7 USB Interface PC can remotely control TH2683A through USB DEVICE 2 3Display Zone TH2683A adopts 24 bit 4 3 inch LCD touch screen with a resolution of 480 272 The display screen is divid...

Страница 11: ...display homepage Selectable functions on this page are shown as follows MEAS SETUP SYSTEM SETUP FILE SETUP SORTING SETUP START SAVING 2 4 2 SYSTEM Press the SYSTEM button to enter into the SYSTEM SETU...

Страница 12: ...e boot screen of TH2683A indicating product information such as instrument trademark model and version Figure 2 4 TH2683A Boot Screen If the password protection is enabled you will be asked to input y...

Страница 13: ...TH2683A Operation Manual Ver 1 3 8 Figure 2 5 TH2683A Main Display...

Страница 14: ...OUT SETUP entering into the pick out setup page START Save the current measurement results will be saved to U disk by pressing this touch key If there is no U disk inserted in the interface the measur...

Страница 15: ...icate the primary parameters while the lower line shows the secondary parameter Note 1 Settings and modifications of all functions can be taken by the following steps 1 Touch the corresponding functio...

Страница 16: ...00V TH2683B four digit significant figures through number soft keyboard Operation Procedures Two for setting the OUTP VOLT Touch the output voltage zone needs to be modified on the screen and the foll...

Страница 17: ...ng the CHAR TIME 1 Touch this key to select this option and then the color of this option will become the color of the cursor 2 Touch this key cursor again to enter into the number soft keyboard input...

Страница 18: ...he soft key zone AUTO It is used for setting the range selection mode as AUTO LOCK It is used for setting the range selection mode as LOCK Touch the corresponding key in soft key zone to select the re...

Страница 19: ...etting the CONT CHEC as OFF Touch the corresponding key in soft key zone to select the relevant function NOTE The contact check function is useful when testing capacitive materials and the capacity is...

Страница 20: ...e instrument will decrease the average times set value by 1 Touch this key and then the instrument will decrease the average times set value rapidly by 10 NOTE 1 When the MEAS TIME is set as 0s i e th...

Страница 21: ...on this page TH2683A can set three groups of limit values for primary parameters The function introduction of PICKOUT SETUP page 3 3 1 PICK FUNC This function is used for controlling the switch of the...

Страница 22: ...e The setting methods of UPLI ONE LOLI TWO UPLI TWO LOLI THR and UPLI THR are the same as LOLI ONE the setting ranges for three groups of lower upper limit value are 1 When the PICK ITEM is set as CUR...

Страница 23: ...as OFF Touch the corresponding key in soft key zone to select the relevant function 3 3 6 Steps for PICK LIVA Touch the corresponding zone The following items will be displayed in the soft key zone ON...

Страница 24: ...ursor 2 Touch this key cursor again to enter into the number soft keyboard input the required pulse width and then press the ENTER key to confirm and return to PICKOUT SETUP page Operation Procedures...

Страница 25: ...s not allowed otherwise it will damage the instrument In order to obtain ideal accuracy and stability the test environment must first be guaranteed according to the condition described in the Chapter...

Страница 26: ...efer to figure 3 1 below Range Input Internal Resistance 1 1mA 1k 2 100uA 10k 3 10uA 100k 4 1uA 1M 5 100nA 10M 6 10nA 100M Figure 3 1 Range resistances When the RANGE SET of the instrument is set as A...

Страница 27: ...BAUD RATE HANDLER VCC AND TIME 4 1 1 BEEPER This function is used to control the switch of beeper If the system beeps it indicates the warning beep of illegal key or touch Steps for setting the beepe...

Страница 28: ...ce again and press ENTER to confirm Then the numeric keyboard will be displayed for the third time please input the new password Press ENTER to finish the password modification NOTE The default passwo...

Страница 29: ...s the TEST key on the panel the instrument will test a DUT once and display the result This mode keeps in waiting mode when it is not used EXT Test a DUT once and display the result when the instrumen...

Страница 30: ...displayed Touch this key and then the time will increase rapidly by 5 Touch this key and then the time will increase by 1 Touch this key and then the instrument will decrease by 1 Touch this key and...

Страница 31: ...ts to a U disk 4 2 2 Structure of File Folder File in a U Disk Before saving data to a U disk you are recommended to save it into a file and folder that have existed in the memory as shown in table 4...

Страница 32: ...disk 3 Before a U disk is connected to TH2683A you are recommended to save the data on it and Tonghui will not be liable for the data loss 4 In order to rapidly save the instrument data to a U disk i...

Страница 33: ...e of being saved Operations of the internal file and the external file are similar Take internal file operations as an example to describe the specific procedures of file operations Operations on file...

Страница 34: ...nal file Delete Touch Delete if YES is selected the instrument will delete the file that the cursor locates Copy to E Touch Copy to E The instrument will copy the file the cursor locates or the select...

Страница 35: ...eeps in waiting mode when it is not used External Test a DUT once and display the result when the instrument receives an external start up signal from the footswitch of HANDLER interface on the rear p...

Страница 36: ...683B test terminal 1 500V 5 2 2 Output Voltage Accuracy Voltage 10V 1 1V Voltage 10V 10 0 1V 5 2 3 Maximum Display Range Parameter Measurement Display Range Resistance test 100 0k 10 00T Leakage curre...

Страница 37: ...ng circumstances a Warm up time should be more than 30 minutes b Correctly open the output terminal and perform zero clearing by pressing the start key on the MEAS SETUP page 5 3 1 Basic Accuracy for...

Страница 38: ...reason is that the use of three lines is much more inexpensive and much simpler than that of five lines or six lines which is the biggest advantage of using serial interface for communication The con...

Страница 39: ...System for Component X System for Component Y BUS Relative information for measurement tester Common commands and query Syntax and data structure Remote control D C B A A B C D IEEE488 1 Standard SCPI...

Страница 40: ...ottom of the computer desktop as is shown below Figure 6 3 Procedure 1 of Installing USB Driver Click NEXT dialogue 6 4 will pop up Choose Install the software automatically recommended Figure 6 4 Pro...

Страница 41: ...USB interface can be configured as a virtual serial port VCom 6 4 1 System Configuration Connect PC and TH2683A to the USB interface through a USB cable 6 4 2 Installing Driver Methods of installing...

Страница 42: ...TH2683A Operation Manual Ver 1 3 37 Now usb VCom port acts as a serial port When PC has no serial port the communication software based on this serial port can be used as USB virtual serial port...

Страница 43: ...ecommended to be used when the instrument is in discharge condition otherwise it may result in wrong results 7 1 1 DISPlay Subsystem Commands DISPlay subsystem commands are mainly used to set the inst...

Страница 44: ...t display Query syntax DISPlay PAGE Return format page name NL END page name refer to the above set value 7 1 2 FUNCtion Subsystem Commands FUNCtion subsystem commands are mainly used to set the items...

Страница 45: ...ERo Return Format SUCCess NL END FAILed The FUNCtion CZERo query returns to the zero clearing result success or failed The OVOLtage command sets the output voltage of the instrument The FUNCtion OVOLt...

Страница 46: ...LOW Query syntax FUNCtion MSPeed FAST Return Format NL END SLOW The FUNCtion MMODe query returns to the current measurement speed of the instrument The CCHeck command set the contact check switch of t...

Страница 47: ...surement time of the instrument The FUNCtion MTIMe query returns to the current measurement time of the instrument Command syntax FUNCtion CTIMe value Where value is any real value among the measureme...

Страница 48: ...nA 10nA For example WrtCmd FUNC RANG 1mA Set the range of the instrument as 1mA The RANGe AUTO command sets the range auto selection mode of the instrument The FUNCtion RANGe AUTO query returns to the...

Страница 49: ...nt measurement Command Tree The IMMediate command triggers a measurement Command syntax TRIGger IMMediate For example WrtCmd TRIG The SOURce command sets the mode of trigger source The SOURce query re...

Страница 50: ...tCmd TRIG WrtCmd FETC When the PICKOUT function is set as ON Data format insulation resistance leakage current pickout item pickout comparator results ultralimit 0 BIN1 passes 1 BIN2 passes 2 BIN3 pas...

Страница 51: ...nd makes TH2683A to send each measurement result to its output buffer automatically ON OFF Command syntax FETCh AUTO 1 0 For example WrtCmd FETC AUTO ON The SMONitor command querys the monitor voltage...

Страница 52: ...FUNCtion OFF 0 Where Character 1 integer 49 means ON Character 0 integer 48 means OFF For example WrtCmd COMP FUNC ON Query syntax COMParator FUNCtion Return format NR1 NL END The ITEM command sets t...

Страница 53: ...at For example WrtCmd COMP Current BIN1 12 00n 50 00n the default unit of resistance is and the default unit of current is A Query syntax COMP Current BIN n Return format NR3 NR3 NL END BEEPer BONe BT...

Страница 54: ...the current bin limit value Command syntax ON 1 COMParator BLIMitvalue OFF 0 Where Character 1 integer 49 means ON Character 0 integer 48 means OFF For example WrtCmd COMP BLIM ON Query Syntax COMPar...

Страница 55: ...ent Handler bin output pulse width 7 1 7 SYSTem Subsystem Commands Command tree The SYSTem BEEP OFF 0 and ON 1 commands are used to set and query the system beeper of the instrument For example SYST B...

Страница 56: ...ple WrtCmd MMEM LOAD STAT 1 The STORe STATe command is used to store the current setup of the instrument to a file Command syntax MMEMory STOR STATe value name Where value file sequence number of 1 20...

Страница 57: ...TH2683A Operation Manual Ver 1 3 52 Where manufacturer Name of Manufacturer Tonghui model Instrument Model TH2683A TH2683B firmware Firmware Version Version 1 0 0 For example WrtCmd IDN...

Страница 58: ...nt comparator bin Terminals and Their Descriptions Port No Port name Description 1 START Low level pulse it is valid when in failling edge When the instrument is in external trigger mode and this sign...

Страница 59: ...TH2683A Operation Manual Ver 1 3 54 Programmable Handler sequence chart OUTP RESU is set as PULSE Programmable 1ms 25ms...

Страница 60: ...ut and isolated by a photoelectric coupler The output voltage of each line is set by a pull up resistor on the handler interface board The pull up resistors can be connected to the internally supplied...

Страница 61: ...turer name and trademark b Product name and model c Product number and date d the License for Manufacturing Measurement Instruments and its number e Marks for test terminal 9 3Package The instrument g...

Страница 62: ...nship for a period of two years from the date of shipment You should supply us with the warranty card before you enjoy the free maintenance service This warranty does not apply in the event of misuse...

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