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TH2516 Series Operation Manual

34

5.3

Measurement Accuracy

Measurement accuracy includes the basic measurement accuracy under environmental
conditions of basic temperature and humidity and temperature correction factor beyond the
environmental conditions of basic temperature and humidity.
Checking the measurement accuracy should be taken under the following circumstances:

a

．

Warm-up time should be more than 30 minutes.

b

．

Correctly short the test cables, turn 0 ADJ to ON and perform short calibration
by pressing the touch key or 0 ADJ panel.

The correct short of the test cable is as follows:

c. Guarantee the follwing basic temperature and humidity environmental conditions for

basic measurement accuracy.
Temperature range: 23

℃±

5℃

Relative humidity:

≤80

％

RH

5.3.1

Basic Accuracy for Resistance Measurement

Basic Measurement Accuracy in one year of TH2516 (23±5

℃

,

≤80%RH

)

Range

20mΩ

200mΩ

2Ω

20Ω

200Ω

2kΩ

20kΩ

200k

Ω

2MΩ

Current

1A

1A

100mA 10mA

1mA

100µA 100µA 10µA

1µA

OCV

0.7V

3V

Resolution

1µΩ

10µΩ

100µΩ

1mΩ

10mΩ

100mΩ

1Ω

10Ω

100Ω

Accuracy

0.1%+3 0.05%+2

0.05%+2

0.2%+2

Temperature

coefficient

300ppm

100ppm

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Содержание TH2516 Series

Страница 1: ...ad 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 51...

Страница 2: ...Introduction to Front and Rear Panels 4 2 1 Introduction to Front Panel 4 2 2 Introduction to Rear Panel 5 2 3 Display Zone 6 2 4 Introduction to Buttons on Front Panel 7 2 4 1 MEAS 7 2 4 2 SYSTEM 7 2...

Страница 3: ...8 3 6 TC t SETUP TH2516 19 3 6 1 Temperature Correction TC 19 3 6 2 Temperature conversion t 20 3 6 3 Types of Temperature Sensor 21 3 6 4 Parameter Setting 22 3 6 5 File 22 3 7 BIN SETUP 23 4 System...

Страница 4: ...3 5 2 3 Maximum Display Range 33 5 3 Measurement Accuracy 34 5 3 1 Basic Accuracy for Resistance Measurement 34 5 3 2 Accuracy for Resistance Tested at Low Current Mode 35 5 3 3 Accuracy for Temperatu...

Страница 5: ...7 1 5 FETCH Subsystem Commands 48 7 1 6 TEMPerature Subsystem Commands TH2516 49 7 1 7 COMParator Subsystem Commands 52 7 1 8 BIN Subsystem Commands 55 7 1 9 STATistics Subsystem Commands 59 7 1 10 S...

Страница 6: ...instrument Introductions to the improvements of the instrument in performance function internal structure outer appearance accessories packing material etc are subject to change without notice If you...

Страница 7: ...ially when the resistance changes with the temperature greatly better test results will be achieved With statistic analysis function the instrument can make statistic analysis for a large number of te...

Страница 8: ...ensation Storage condition Temperature 10 to 50 Relative humidity 90 No condensation 3 For high accuracy do not block the left air vent so as to ensure good ventilation 4 The instrument has been speci...

Страница 9: ...3 2 Do not turn on or off the instrument frequently This may cause internal data confusion 1 8Other Features 1 Consumption 30VA 2 Dimensions W H D 235mm 105mm 360mm this dimension is the final packag...

Страница 10: ...3 4 5 6 7 12 11 9 8 10 Figure 2 1 Front Panel 1 USB interface HOST interface of USB 2 LCD and touch screen 480 272 dot matrix 24 bit 4 3 inch TFT and touch LCD is used for measurement setup and result...

Страница 11: ...2 POWER It is the power switch 2 2Introduction to Rear Panel Figure 2 2 shows the rear panel of TH2516 1 2 3 4 5 6 DEVICE HANDLER RS 232C TEMP INPUT RATING FUSE T2AL 110V 60Hz 220V 50Hz T1AL RS 232C S...

Страница 12: ...TH2516 series through USB DEVICE 2 3Display Zone TH2516 series adopts 24 bit 4 3 inch LCD touch screen with a resolution of 480 272 The display screen is divided into the following zones as shown in f...

Страница 13: ...epage Selectable functions in this page are shown as follows MEAS DISP COMP DISP BIN DISP STATIS DISP MORE 1 2 MEAS SETUP TC t SETUP TH2516 BIN SETUP SYSTEM SETUP MORE 2 2 2 4 2 SYSTEM Press the SYSTE...

Страница 14: ...units or nails to touch the screen Doing so will cause damage to the screen our company shall not be liable to this case 2 6Starting Up Ensure the power earth ground wire is grounded plug into a 3 wi...

Страница 15: ...tools TOOLS Soft keys used to enter into operation pages The following test conditions are displayed in the measurement result condition display area on this page These conditions can be set on the t...

Страница 16: ...pes of parameters resistance parameters and temperature parameters TH2516 has 9 DC resistance ranges 20m 200m 2 20 200 2k 20k 200k 2M TH2516A has 7 DC resistance ranges 200m 2 20 200 2k 20k 200k TH251...

Страница 17: ...a new CSV file will be created in a U disk The measurement data can be analyzed by opening the file through the computer 2 As for File Manage please refer to 4 2 for details 3 1 5 Tools Operation ste...

Страница 18: ...6 COMP HI COMP DISP COMP OFF COMP MODE ABS HIGH 225 000 LOW 63 0000 TOT 0 IN 0 HI 0 LO 0 Figure 3 2 The following parameters can be set on this page FILE TOOLS COMP ON OFF COMP MODE NOM nominal value...

Страница 19: ...MODE NORMAL press the key DISP Mode DEV will be displayed The value of deviation will be displayed in the main display interface and the display range is 99 9 999 9 Press the key again and DISP MODE N...

Страница 20: ...U disk Before a U disk is inserted the save function will be disabled Press the key again this key will turn to Save Data OFF and the measurement result will not be saved When switching between ON and...

Страница 21: ...comparator result conforms to the bin setting the corresponding bin will be displayed in red GREEN When the corresponding bin comparator result conforms to the bin setting the corresponding bin will b...

Страница 22: ...ding formula 2 2 x nx n n 3 s Sample Standard Deviation Corresponding formula 2 2 1 x nx s n 1 n 4 p C Process Capability Index Dispersion Corresponding formula 6 p Hi Lo C s 5 p C K Process Capabilit...

Страница 23: ...manage page 2 Screen copy Touch this key to save the current screen page to an external U disk If no U disk is found this function will be disabled 3 Save Data OFF Touch this key this key will turn to...

Страница 24: ...nding soft key to set the range mode TRIG INT Touch this key the following soft keys will be displayed in the soft key zone INT auto measurement mode MAN manual measurement mode EXT external trigger m...

Страница 25: ...t setup 3 6 1 Temperature Correction TC Temperature correction TC By this function the resistance tested under the current environment temperature will be converted to a resistance value under the use...

Страница 26: ...e R1 is the resistance at the start of contact R2 is the resistance after the display is stable K is the variance ration of the environment temperature coefficient when the conductor is at 0 For examp...

Страница 27: ...0 50 to 2 00 1 00 0 96 0 96 2 00 to 8 00 1 00 0 97 0 97 Temperature coefficient varies with environment temperature and material conductivity It is supposed that the temperature coefficient of a mate...

Страница 28: ...iprocal of the temperature coefficient 0 9999 V1 Touch this key a numeric keyboard will pop up and you can input the set voltage value 0 2V T1 Touch this key a numeric keyboard will pop up and you can...

Страница 29: ...ear the high and low limits nominal value of the bin STATE Display the bin state as ON or OFF When ON is set the corresponding bin in the display zone will be shown as lighted circle When OFF is set t...

Страница 30: ...ure 4 1 System Setup On this page the following functions can be set TouchTone Language Password Bus Mode Baud Rate AC Freq Handler VCC LCD Style and Time 4 1 1 Tools The function is used for system r...

Страница 31: ...to set corresponding functions 4 1 4 Password The function is used to set the password Steps for setting the password Touch Password the following soft keys will be displayed OFF Touch this key to tur...

Страница 32: ...he USBTMC interface The instrument communicates with PC through the USB interface on the rear panel 4 Touch USBVCOM to select the USBVCOM interface The instrument communicates with PC through the USB...

Страница 33: ...the instrument will decrease rapidly by 5 Touch this key the cursor under the time will move left Touch this key the cursor under the time will move right 4 2 File Manage TH2516 series can save param...

Страница 34: ...4 1 Methods and Applications of Save 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 memo...

Страница 35: ...the U disk memory exceeds 512M it is recommended to use FAT32 standard to format the disk 3 Before a U disk is connected to TH2516 you are recommended to save the data on it and Tonghui will not be l...

Страница 36: ...le are similar Take internal file operations as an example to describe the specific procedures of file operations Operations on file are as follows Touch the file name to be edited If the file name do...

Страница 37: ...verwrite the original 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 loc...

Страница 38: ...y the result Manual Press the TRIGGER button 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 External Test a DUT once and di...

Страница 39: ...SLOW NOTE t is the measurement waiting time t1 is the data processing time approximately is 5ms More detailed information about time parameters please refer to Chapter 7 Handler Interface 5 1 7 Avera...

Страница 40: ...the test cables turn 0 ADJ to ON and perform short calibration by pressing the touch key or 0 ADJ panel The correct short of the test cable is as follows c Guarantee the follwing basic temperature and...

Страница 41: ...cy 0 1 3 0 1 2 Temperature coefficient 300ppm 100ppm 5 3 2 Accuracy for Resistance Tested at Low Current Mode TH2516 TH2516A TH2516B Basic Measurement Accuracy in one year 23 5 80 RH Range 2 20 200 2k...

Страница 42: ...erature measured under input voltage of 0V The current measured temperature Note Rd is the digit reading of measuring instrument Fs is the full range 5 3 5 Temperature correction factor When the instr...

Страница 43: ...he 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 c...

Страница 44: ...e control system controls the instrument through the USB interface This connection conforms to USBTMC USB488 and USB2 0 protocols 6 2 1 System Configuration Connect USB interfaces on PC and TH2516 thr...

Страница 45: ...and measurement device in the device manager of PC as is shown in the following figure Figure 6 12 USBTMC Display of PC Device Manager When user is using USBTMC interface labview software can be used...

Страница 46: ...er are the same with that of installing USBTMC driver When the installation of driver is finished user can see USB VCom Port in the PC device manager as is shown in figure 6 13 Figure 6 13 VCom Displa...

Страница 47: ...cal BIN 7 1 1 DISPlay Subsystem Commands DISPlay subsystem commands are mainly used to set the instrument display page The DISPlay query returns to the current page Command Tree The PAGE command sets...

Страница 48: ...atistics SYST Set the display page to system setup FLISt Set the display page to internal file list The STATe command is used to set whether the measurement display page has refreshed the display resu...

Страница 49: ...rtCmd FUNC IMP RT Set function as R T Query syntax FUNCtion IMPedance Return Format function NL END If the current function is R T it will returns to RT The IMPedance RES RANGe command sets the instru...

Страница 50: ...t the range mode in common resistance measurement pattern as AUTO Query syntax FUNCtion IMPedance RES RANGe AUTO Return format NR1 NL END NR1 1 or 0 The IMPedance LPR RANGe command sets the instrument...

Страница 51: ...0 ADJ Clear 0 ADJ data Command syntax FUNCtion ADJust CLEAr Execute 0 ADJ operation Command syntax FUNCtion ADJust Returned value 0 or 1 NL END 0 it indicates that the 0CAJ has completed successfully...

Страница 52: ...ntax APER FAST MEDium SLOW1 or SLOW2 For example WrtCmd APERture SLOW1 Set the instrument self calibration mode as SLOW Query syntax APERture Return format FAST MEDium SLOW1 or SLOW2 NL END The APERtu...

Страница 53: ...ANDLER interface BUS Be triggered by the RS232 interface or the GPIB interface For example WrtCmd TRIG SOUR BUS Query syntax TRIGger SOURce Return format INTernal MANual EXTernal or BUS NL END The DEL...

Страница 54: ...on is one parameter mode functions are R T LPR Data format primary parameter system status primary parameter the measured value of the current parameter and the format is NR3 when the temperature conv...

Страница 55: ...sending mode of each measurement result 7 1 6 TEMPerature Subsystem Commands TH2516 TEMPerature subsystem commands set the instrument trigger source and the delay time after triggering and triggers in...

Страница 56: ...ter Return format Reference Temp Temp Coefficient NL END Where the format and unit of Reference Temp Temp Coefficient are the same as above The TEMPerature CONversion DELTa STATe command sets ON and O...

Страница 57: ...o the current input mode of the temperature sensor Command syntax TEMPerature SENSor PT or ANALog Where PT Using PT500 as the input signal of the temperature sensor ANALog Using analog voltage signal...

Страница 58: ...Command syntax COMParator STATe ON 1 or OFF 0 For example WrtCmd COMP STAT ON Set the comparator function of the instrument as ON Query Syntax COMParator STATe Return format NR1 NL END NR1 1 or 0 1 th...

Страница 59: ...ent comparator function The COMParator UPPer query returns to the current upper threshold Command syntax COMParator UPPer Upper threshold Where Upper threshold 0 to 2 2E 6 NR3 the upper threshold of t...

Страница 60: ...nction The COMParator PERCent query returns to the current tolerance Command syntax COMParator PERCent Tolerance Where Tolerance 0 to 99 999 NR2 the tolerance of the comparator function unit For examp...

Страница 61: ...instrument comparator interface is ON 0 the current counter function of the instrument comparator interface is OFF The COMParator COUNter CLEAr command is used to clear the counter value of the instru...

Страница 62: ...unction The BIN MODE query returns to the current limit mode Command syntax BIN MODE ATOLerance or PTOLerance Where ATOLerance set the bin limit modeas absolute tolerance mode PTOLerance set the bin l...

Страница 63: ...Cmd BIN COLOr GD RED Set the color of the result mark as RED when the bin comparator result is GD Query Syntax BIN COLOr GD Return format OFF GRAY RED or GREEN NL END The BIN UPPer command sets the up...

Страница 64: ...Resistance 0 to 2 2E 6 NR3 the reference resistance of the specific bin unit For example WrtCmd BIN REF 1 20E 3 Set the reference resistance of bin 1 as 20k Query Syntax BIN REFerence Bin NO Return fo...

Страница 65: ...the same as above The BIN RESult command querys the last bin comparator result of the instrument Query Syntax BIN RESult Return format NR1 NL END Where NR1 0 to 7 When the judging result of some bin i...

Страница 66: ...uery Syntax STATistics STATe Return format NR1 NL END NR1 1 or 0 1 the current statistics function of the instrument is ON 0 the current statistics function of the instrument is OFF The STATistics MOD...

Страница 67: ...tics function of the instrument is ON ingore this command Query Syntax STATistics UPPer Return format the format and unit of Upper threshold NL END are the same as above The STATistics LOWer command s...

Страница 68: ...NOTE If the statistics function of the instrument is ON ingore this command Query Syntax STATistics PERCent Return format the format and unit of Tolerance NL END are the same as above The STATistics C...

Страница 69: ...50E 01 8 The STATistics COUNt command is used to query the statistics compare results Query Syntax STATistics COUNt Return format HI count NR1 IN count NR1 LO count NR1 measurement error count NR1 For...

Страница 70: ...ple WrtCmd SYST BEEP STAT ON Set the save state of the instrument as ON Query Syntax SYST BEEP STAT Return format NR1 NL END NR1 1 or 0 1 the current beeper state of the instrument is ON 0 the current...

Страница 71: ...must have been saved otherwise ignore this command The SYSTem EXTVCC command sets the VCC of the instrument Handler interface The SYSTem EXTVCC query returns to the current VCC of the instrument Handl...

Страница 72: ...ple WrtCmd TRG NOTE trg will be valid when INIT CONT ON and trig sour bus commands are enabled The IDN query returns TH2516 s identification string Query syntax IDN Return format manufacturer model fi...

Страница 73: ...instrument will trigger a measurement 2 PASS2 The low bin 2 comparison result output signal will be valid 3 FAIL The low compare result output signal will be valid 4 5V Internal 5V power output 5 EXT...

Страница 74: ...ms t5 end of sampling to control output time 2ms t6 measurement delay time See the setup for measurement delay When OVC is OFF Sampling Time 5ms 50 Hz 5ms 60 Hz Fast 20 ms 50 Hz 16 6ms 60 Hz Medium 11...

Страница 75: ...e d the License for Manufacturing Measurement Instruments and its number e Marks for test terminal 9 3Package The instrument generally wrapped in a plastic bag should be packed in a strong packing box...

Страница 76: ...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 or abuse of the product or as a resu...

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