Tonghui TH8200 Series User manual

O OP PE ER RA AT TI IO ON N M MA AN NU UA AL L
TH8200 Series
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TH8200 Series Operation Manual Contents
II
Contents
Chapter 1 Introduction to the instrument and unpacking installation...........................................2
1.1 Introduction..................................................................................................................2
1.2 Load Characteristics.....................................................................................................3
1.3 Fuse..............................................................................................................................3
1.4 Environment.................................................................................................................3
1.5 Use of Test Fixture.......................................................................................................4
1.6 Warm-up.......................................................................................................................4
Chapter 2 Front and rear panels and Entry operation ...................................................................5
2.1 Introduction to front panel ...........................................................................................5
2.2 Introduction to rear panel.............................................................................................5
2.3 Introduction to display zone.........................................................................................6
2.4 Basic Operation............................................................................................................7
2.5 Power On......................................................................................................................8
Chapter 3 Basic Mode Key Group................................................................................................9
3.1 CC Key Group ...........................................................................................................10
3.1.1 Load Current ..............................................................................................10
3.2 CV Key Group ...........................................................................................................10
3.2.1 Load Voltage..............................................................................................11
3.3 CR Key Group ...........................................................................................................11
3.3.1 Load Resistance .........................................................................................11
3.4 CP Key Group............................................................................................................12
3.4.1 Load Power................................................................................................12
Chapter 4 Advanced Mode Key Group ......................................................................................13
4.1 CR-LED Key Group ..................................................................................................14
4.2 Battery Test Key Group..............................................................................................14
4.3 Dynamic Test Key Group...........................................................................................15
4.4 Sweep Test Key Group...............................................................................................16
4.5 Time Test Key Group.................................................................................................17
4.6 OCP Test Key Group..................................................................................................17
4.7 OVP Test Key Group .................................................................................................18
4.8 OPP Test Key Group..................................................................................................19
4.9 Load Effect Key Group..............................................................................................20
4.10 MPPT Key Group ......................................................................................................21
4.11 List Test Key Group...................................................................................................22
4.11.1 Range Key Group.......................................................................................23
4.11.2 Work Mode Key Group..............................................................................23
4.11.3 Edit Mode Key Group................................................................................23
4.11.4 Coordinate Map..........................................................................................23
4.12 Waveform Load Key Group.......................................................................................24
4.12.1 Waveform Key Group................................................................................24
4.12.2 Range Key Group.......................................................................................25
4.12.3 Edit Key Group ..........................................................................................25

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4.13 ARB Key Group.........................................................................................................26
4.13.1 Range Key Group.......................................................................................26
4.13.2 Edit Mode Key Group................................................................................27
4.13.3 Coordinate Map..........................................................................................27
4.14 Circuit Key Group......................................................................................................27
4.14.1 Circuit Key Group......................................................................................27
4.14.2 Range Key Group.......................................................................................28
4.14.3 Edit Key Group ..........................................................................................28
4.15 Automatic Test Key Group.........................................................................................29
4.15.1 Step Key Group..........................................................................................29
4.15.2 Edit Key Group ..........................................................................................30
4.15.3 Output Key Group......................................................................................30
Chapter 5 SETUP Key Group.....................................................................................................32
5.1 Load /Unload Key Group...........................................................................................32
5.2 Protect Key Group......................................................................................................32
5.3 Display Key Group ....................................................................................................34
5.4 Preset Key Group.......................................................................................................34
5.5 Save Key Group.........................................................................................................35
5.6 Timer Key Group.......................................................................................................36
5.7 Function Key Group...................................................................................................36
5.8 Limit Key Group........................................................................................................37
5.9 Calibration Key Group...............................................................................................38
Chapter 6 SYSTEM Key Group.................................................................................................39
6.1 Host /Slave Key Group ..............................................................................................39
6.2 Power On State Key Group........................................................................................39
6.3 Communication Interface Key Group........................................................................40
6.4 External Key Group ...................................................................................................41
6.5 User Setting Key Group.............................................................................................41
6.6 Version Information Key Group.................................................................................42
Chapter 7 RS232 Interface..........................................................................................................43
7.1 USBTMC Remote Control System............................................................................44
7.1.1 System Configuration.................................................................................44
7.1.2 Install the Driver ........................................................................................44
7.2 USBVCOM Vital Serial Port.....................................................................................44
7.2.1 System Configuration.................................................................................44
7.2.2 Install the Driver ........................................................................................44
Chapter 8 Handler.......................................................................................................................45
Chapter 9 SCPI Commands........................................................................................................47
9.1 System Commands of TH8200 ..................................................................................47
9.2 IEEE488.2 General and 1rst Level Commands..........................................................47
9.3 INPut Subsystem Commands.....................................................................................47
9.3.1 :INPut:[STATe]...........................................................................................47
9.3.2 :INPut:SHOR .............................................................................................48
9.4 SOURce Subsystem Commands................................................................................48

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9.4.1 [:SOURce]:MODE.....................................................................................48
9.4.2 [:SOURce]:CURRent:[LEVel]...................................................................49
9.4.3 [:SOURce]:CURRent:RANGe...................................................................49
9.4.4 [:SOURce]:CURRent:SLEWrate:RISE......................................................50
9.4.5 [:SOURce]:CURRent:SLEWrate:FALL ....................................................50
9.4.6 [:SOURce]:CURRent:LIMit:STATe...........................................................50
9.4.7 [:SOURce]:CURRent:LIMit:INOUT.........................................................51
9.4.8 [:SOURce]:CURRent:LIMit:MODE..........................................................51
9.4.9 [:SOURce]:CURRent:LIMit:UPPer[:ABS] ...............................................52
9.4.10 [:SOURce]:CURRent:LIMit:UPPer:DEViation.........................................52
9.4.11 [:SOURce]:CURRent:LIMit:UPPer:PERCent...........................................53
9.4.12 [:SOURce]:CURRent:LIMit:LOWer[:ABS]..............................................53
9.4.13 [:SOURce]:CURRent:LIMit:LOWer:DEViation .......................................54
9.4.14 [:SOURce]:CURRent:LIMit:LOWer:PERCent..........................................54
9.4.15 [:SOURce]:CURRent:LIMit: REFerence...................................................54
9.4.16 [:SOURce]:VOLTage:[LEVel] ...................................................................55
9.4.17 [:SOURce]:VOLTage:RANGe...................................................................55
9.4.18 [:SOURce]:VOLTage:LIMit:STATe...........................................................56
9.4.19 [:SOURce]:VOLTage:LIMit:INOUT.........................................................56
9.4.20 [:SOURce]:VOLTage:LIMit:MODE..........................................................57
9.4.21 [:SOURce]:VOLTage:LIMit:UPPer[:ABS]................................................57
9.4.22 [:SOURce]:VOLTage:LIMit:UPPer:DEViation.........................................57
9.4.23 [:SOURce]:VOLTage:LIMit:UPPer:PERCent...........................................58
9.4.24 [:SOURce]:VOLTage:LIMit:LOWer: [:ABS]............................................58
9.4.25 [:SOURce]:VOLTage:LIMit:LOWer:DEViation........................................59
9.4.26 [:SOURce]:VOLTage:LIMit:LOWer:PERCent..........................................59
9.4.27 [:SOURce]:VOLTage:LIMit: REFerence...................................................60
9.4.28 [:SOURce]: RESistance [:LEVel] ..............................................................60
9.4.29 [:SOURce]:RESistance:RANGe................................................................60
9.4.30 [:SOURce]: POWer [:LEVel].....................................................................61
9.4.31 [:SOURce]:POWer:RANGe.......................................................................61
9.4.32 [:SOURce]:POWer:LIMit:STATe...............................................................62
9.4.33 [:SOURce]:POWer:LIMit:INOUT.............................................................62
9.4.34 [:SOURce]:POWer:LIMit:MODE..............................................................63
9.4.35 [:SOURce]:POWer:LIMit:UPPer[:ABS] ...................................................63
9.4.36 [:SOURce]:POWer:LIMit:UPPer:DEViation.............................................64
9.4.37 [:SOURce]:POWer:LIMit:UPPer:PERCent...............................................64
9.4.38 [:SOURce]:POWer:LIMit:LOWer: [:ABS]................................................64
9.4.39 [:SOURce]:POWer:LIMit:LOWer:DEViation ...........................................65
9.4.40 [:SOURce]:POWer:LIMit:LOWer:PERCent..............................................65
9.4.41 [:SOURce]:POWer:LIMit: REFerence.......................................................66
9.5 CONFigure Subsystem Commands ...........................................................................66
9.5.1 :CONFigure:VON:LEVel...........................................................................66
9.5.2 :CONFigure:VON:MODE.........................................................................67

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9.5.3 :CONFigure:VOFF: LEVel ........................................................................67
9.5.4 :CONFigure:PRESet..................................................................................67
9.5.5 :CONFigure:PROTect:CURRent:STATe....................................................68
9.5.6 :CONFigure:PROTect:CURRent:LEVel....................................................68
9.5.7 :CONFigure:PROTect:CURRent:ACTion .................................................69
9.5.8 :CONFigure:PROTect:VOLTage:STATe....................................................69
9.5.9 :CONFigure:PROTect:VOLTage:LEVel ....................................................69
9.5.10 :CONFigure:PROTect:POWer:STATe........................................................70
9.5.11 :CONFigure:PROTect:POWer:LEVel........................................................70
9.5.12 :CONFigure:PROTect:POWer:ACTion .....................................................71
9.5.13 :CONFigure:FUNCtion:STARt..................................................................71
9.5.14 :CONFigure:FUNCtion:TRIGger ..............................................................72
9.5.15 :CONFigure:TIMer:COUNT .....................................................................72
9.5.16 :CONFigure:TIMer:CUT:STATe................................................................72
9.5.17 :CONFigure:TIMer:CUT:LEVel................................................................73
9.5.18 :CONFigure:DISPlay:TYPE......................................................................73
9.5.19 :CONFigure:DISPlay:SECond...................................................................74
9.5.20 :CONFigure:DISPlay:INTerval..................................................................74
9.5.21 :CONFigure:DISPlay:PLOT:TYPe............................................................74
9.5.22 :CONFigure:DISPlay:PLOT:RATe............................................................75
9.5.23 :CONFigure:DISPlay:PLOT:POINts .........................................................75
9.5.24 :CONFigure:DISPlay:PLOT:FORmat........................................................76
9.5.25 :CONFigure:DISPlay:PLOT:STARt ..........................................................76
9.5.26 :CONFigure:DISPlay:PLOT:STOP............................................................76
9.6 MEASure Subsystem Commands..............................................................................77
9.6.1 :MEASure:VOLTage:AVERage.................................................................77
9.6.2 :MEASure:VOLTage:MAXimum..............................................................77
9.6.3 :MEASure:VOLTage:MINimum................................................................77
9.6.4 :MEASure:CURRent:AVERage.................................................................78
9.6.5 :MEASure:CURRent:MAXimum..............................................................78
9.6.6 :MEASure:CURRent:MINimum................................................................78
9.6.7 :MEASure:POWer:AVERage.....................................................................78
9.6.8 :MEASure:POWer:MAXimum..................................................................79
9.6.9 : MEASure:POWer:MINimum...................................................................79
9.7 PEAK Subsystem Commands....................................................................................79
9.7.1 :PEAK:STARt............................................................................................79
9.7.2 :PEAK:CLEar ............................................................................................80
9.7.3 :PEAK:VOLTage:MAXimum....................................................................80
9.7.4 :PEAK:VOLTage:MINimum .....................................................................80
9.7.5 :PEAK:CURRent:MAXimum....................................................................80
9.7.6 :PEAK:CURRent:MINimum .....................................................................81
9.7.7 :PEAK:POWer:MAXimum........................................................................81
9.7.8 :PEAK:POWer:MINimum .........................................................................81
9.8 ADVance Subsystem Commands...............................................................................81

TH8200 Series Operation Manual Contents
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9.8.1 :ADVance:MODE ......................................................................................81
9.8.2 ADVance:LED:RESistance........................................................................82
9.8.3 ADVance:LED:VOLTage...........................................................................82
9.8.4 :ADVance:BATTery:MODE ......................................................................83
9.8.5 ADVance:BATTery:CURRent....................................................................83
9.8.6 ADVance:BATTery:RESistance.................................................................84
9.8.7 ADVance:BATTery:POWer........................................................................84
9.8.8 :ADVance:BATTery:CONdition ................................................................84
9.8.9 ADVance:BATTery:STOP..........................................................................85
9.8.10 :ADVance:BATTery:R?..............................................................................85
9.8.11 :ADVance:BATTery:C?..............................................................................85
9.8.12 :ADVance:BATTery:E?..............................................................................86
9.8.13 : ADVance: DYNamic: TYPe.....................................................................86
9.8.14 ADVance:DYNamic:LEVel .......................................................................86
9.8.15 ADVance:DYNamic:WIDth.......................................................................87
9.8.16 ADVance:DYNamic:REPeat......................................................................87
9.8.17 ADVance:SWEEp:CURRent:MAXinmum................................................88
9.8.18 ADVance:SWEEp:CURRent:MINinmum .................................................88
9.8.19 ADVance:SWEEp:FREQuency:STARt .....................................................88
9.8.20 ADVance:SWEEp:FREQuency:END........................................................89
9.8.21 ADVance:SWEEp:FREQuency:POINt......................................................89
9.8.22 :ADVance:SWEEp:FREQuency:STEP......................................................90
9.8.23 ADVance:SWEEp:DWELl.........................................................................90
9.8.24 ADVance:SWEEp:DUTY..........................................................................91
9.8.25 :ADVance:TIMing:MODE.........................................................................91
9.8.26 ADVance:TIMing:CURRent......................................................................91
9.8.27 ADVance:TIMing:VOLTage......................................................................92
9.8.28 ADVance:TIMing:POWer..........................................................................92
9.8.29 ADVance:TIMing:RESistance ...................................................................93
9.8.30 ADVance:TIMing:TRIGger:SIGnal...........................................................93
9.8.31 ADVance:TIMing:TRIGger:EDGe............................................................94
9.8.32 ADVance:TIMing:TRIGger:LEVel............................................................94
9.8.33 ADVance:TIMing:TIMe?...........................................................................95
9.8.34 ADVance:OCPT:CURRent ........................................................................95
9.8.35 ADVance:OCPT:VOLTage.........................................................................95
9.8.36 ADVance:OCPT:STEP...............................................................................96
9.8.37 ADVance:OCPT:DWELl ...........................................................................96
9.8.38 ADVance:OCPT:PMAX?...........................................................................96
9.8.39 ADVance:OCPT:IOCP?.............................................................................97
9.8.40 ADVance:OVPT:VOLTage ........................................................................97
9.8.41 ADVance:OVPT:TOVP?............................................................................97
9.8.42 ADVance:OPPT:POWer.............................................................................97
9.8.43 ADVance:OPPT:VOLTage.........................................................................98
9.8.44 ADVance:OPPT:STEP...............................................................................98

TH8200 Series Operation Manual Contents
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9.8.45 ADVance:OPPT:DWELl............................................................................99
9.8.46 ADVance:OPPT:PMAX?...........................................................................99
9.8.47 ADVance:OPPT:POPP?.............................................................................99
9.8.48 ADVance:EFFEct:CURRent....................................................................100
9.8.49 ADVance:EFFEct:DELay ........................................................................100
9.8.50 ADVance:EFFEct:V?...............................................................................100
9.8.51 ADVance:EFFEct:R? ...............................................................................101
9.8.52 ADVance:EFFEct:REGualtion?...............................................................101
9.8.53 ADVance:MPPT:C? .................................................................................101
9.8.54 ADVance:MPPT:E?..................................................................................101
9.8.55 ADVance:LIST:TYPe...............................................................................102
9.8.56 ADVance:LIST:COUNt ...........................................................................102
9.8.57 ADVance:LIST:STEP...............................................................................102
9.8.58 ADVance:LIST:STEPS?...........................................................................103
9.8.59 ADVance:LIST:INSert.............................................................................103
9.8.60 ADVance:LIST:ADD...............................................................................103
9.8.61 ADVance:LIST:REMove .........................................................................103
9.8.62 ADVance:WAVe:TYPe.............................................................................104
9.8.63 ADVance:WAVe:SINe..............................................................................104
9.8.64 ADVance:WAVe:TRIAngle......................................................................105
9.8.65 ADVance:WAVe:SQUAre........................................................................105
9.8.66 ADVance:WAVe:TRAPezoid ...................................................................105
9.8.67 ADVance:WAVe:SAWA...........................................................................106
9.8.68 ADVance:WAVe:SAWB...........................................................................106
9.8.69 ADVance:ARB:POINt .............................................................................107
9.8.70 ADVance:ARB:INSert.............................................................................107
9.8.71 ADVance:ARB:ADD...............................................................................108
9.8.72 ADVance:ARB:REMove .........................................................................108
9.8.73 ADVance:CIRCuit:TYPe.........................................................................108
9.8.74 ADVance:CIRCuit:A................................................................................108
9.8.75 ADVance:CIRCuit:B................................................................................109
9.8.76 ADVance:CIRCuit:C................................................................................109
9.8.77 ADVance:CIRCuit:D................................................................................110
9.8.78 ADVance:CIRCuit:E................................................................................110
9.8.79 ADVance:CIRCuit:F ................................................................................110
9.8.80 ADVance:AUTo:OUTput:CONditon.......................................................111
9.8.81 ADVance:AUTo:OUTput:TYPe ..............................................................111
9.8.82 ADVance:AUTo:MODe...........................................................................112
9.8.83 ADVance:AUTo:LEVel............................................................................112
9.8.84 ADVance:AUTo:LIMit:SPECific.............................................................113
9.8.85 ADVance:AUTo:LIMit:UPPer.................................................................113
9.8.86 ADVance:AUTo:LIMit:LOWer................................................................113
9.8.87 ADVance:AUTo:LIMit:OPERation .........................................................114
9.8.88 ADVance:AUTo:DELay:TYPe................................................................114

TH8200 Series Operation Manual Contents
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9.8.89 ADVance:AUTo:DELay:TIMe ................................................................115
9.8.90 ADVance:AUTo:RANGe:CURRent........................................................115
9.8.91 ADVance:AUTo:RANGe:VOLTage ........................................................115
9.8.92 ADVance:AUTo:SLEWrate:RISe ............................................................116
9.8.93 ADVance:AUTo:SLEWrate:FALl............................................................116
9.9 SYSTem Subsystem Commands..............................................................................117
9.9.1 SYSTem:TIMe.........................................................................................117
9.9.2 SYSTem:EXTernal:CONTrol...................................................................117
9.9.3 SYSTem:EXTernal:LOAD.......................................................................117
9.9.4 SYSTem:GROUP:OPERate.....................................................................118
9.9.5 SYSTem:GROUP:PARallel:TYPe...........................................................118
9.9.6 SYSTem:GROUP:PARallel:NUMber......................................................118
9.9.7 SYSTem:INITialize:LOAD......................................................................119
9.9.8 SYSTem:INITialize:LOCK......................................................................119
9.9.9 SYSTem:INITialize:SET..........................................................................119
9.9.10 SYSTem:HANDler:OUTput....................................................................120
9.9.11 SYSTem:HANDler:WIDth ......................................................................120
9.9.12 SYSTem:LANGuage................................................................................120
9.9.13 SYSTem:BEEPer .....................................................................................120
9.9.14 SYSTem:BEEPer:KEY............................................................................121
Chapter 10 Complete Set and Warranty......................................................................................122
10.1 Complete Set............................................................................................................122
10.2 Sign..........................................................................................................................122
10.3 Packing.....................................................................................................................122
10.4 Transportation..........................................................................................................122
10.5 Store.........................................................................................................................123
10.6 Warranty...................................................................................................................123

TH8200 Series Operation Manual Contents
IX
Announcement
The description of the manual may not cover all contents of the instrument, and our company is
subject to change and to improve the performance, function, inner structure, appearance, accessory
and package of the instrument without notice. If there is puzzle caused by inconsistency of manual
and instrument, then you can contact with our company by the address on the cover.

TH8200 Series Operation Manual
2
Chapter 1 Introduction to the instrument and unpacking
installation
Thank you for purchasing and using our products! This chapter introduces you to the basic
performance of the instrument, and then talks about some checks that must be performed when you
receive the instrument and you must understand the conditions that the instrument has before
installing and using it.
1.1 Introduction
TH8200 DC electronic load series products adopt linux operating system, and adopt high-definition
color liquid crystal display (LCD) to make it have excellent operability. The maximum operating
voltage is 150V, and the minimum operating voltage is 1V. In addition to the basic operation modes
such as constant current, constant resistance, constant voltage and constant power, this series of
products are high-performance DC electronic load devices, for input voltage, the arbitrary IV
characteristics (ARB) mode of the current can be set freely.
Dual-core (ARM+DSP) automatic control hardware circuit architecture makes the system run super
stable and reliable; complete hardware protection (OVP, OCP, OPP, OHP, REV, UVP) circuit
functions, comprehensive protection of the instrument itself and the measured object; High-speed,
safe and reliable 16-bit sampling chip is adopted to ensure the sampling accuracy and resolution.
The voltage and current value can be refreshed simultaneously in a single sampling; 100K true
sampling rate, high measurement accuracy, strong anti-interference ability, and can display transient
Load current waveform (digitized).
In addition to the high-speed response of 60A/μs (TH8203) at the highest rate and the minimum
setting resolution of 10μA (TH8201 L range), it also has a programmable soft-start function
implemented by a DSP algorithm, which further improves the resistance of the instrument.
Excitation capability; the use of Linux operating system makes the number of set storage files
basically unlimited, and fundamentally improves the robustness of U disk storage support; the
addition of various advanced functions basically meets all applications for DC electronic loads
Occasions; due to the high-speed response, it can flexibly respond to power supply tests and current
sensor tests that require high-speed current changes. Moreover, the wide range of external voltage
input can support various applications.
Through the buttons, knobs and display on the front panel, various settings and operations of the
instrument can be conveniently and quickly operated, and the instrument can be controlled through
wired and wireless communication interfaces such as LAN, USB, RS232 and GPIB (optional).
After unpacking, you should first check whether the instrument is damaged due to transportation.
We do not recommend that you power on the instrument if the appearance is damaged.

TH8200 Series Operation Manual
3
And please confirm according to the packing list, if there is any discrepancy, please contact our
company or distributor as soon as possible to protect your rights and interests.
1.2 Load Characteristics
1. Rated power: 175W, 350W, 1050W
2. Voltage range: 150V
3. Current range: up to 240A
4. Constant current, constant resistance, constant voltage and constant power operation modes
5. Current remote control monitoring function, external trigger function
6. 1mV/10µA high resolution, ripple measurement function
7. Dynamic current/voltage test, dynamic frequency up to 50K
8. The voltage and current measurement can achieve high precision while the test speed can reach
100KHz
9. Programmable soft start function
10. CR-LED test, arbitrary I-V characteristics, battery test, dynamic scan test, load effect, list
function and many other advanced functions
11. Overvoltage (programmable), low voltage, overcurrent (programmable), overpower
(programmable), overheating, anti-reverse protection and other protection functions
12. Remote voltage compensation input test function
13. Short circuit function simulation
14. The use of Linux operating system is that the number of internal parameter file storage is
basically unlimited
15. perfect U disk function (storage and loading of parameter files, interface screenshots, system
firmware upgrade)
16. Setting parameters support power-off memory function
17. Intelligent temperature control fan
18. RS232 (standard), USB (standard), Ethernet (standard), GPIB (optional)
19. Support upper computer software to realize remote operation and monitoring
1.3 Fuse
The instrument has been equipped with a fuse in the factory, users should use the fuse provided by
our company.
1.4 Environment
1) Please do not operate the instrument in the place that is vibrative, dusty, under direct sunlight
or where there is corrosive air.
2) Instrument work environment conditions:
Temperature: 0 °C ~ 40 °C, humidity: ≤80% RH, no condensation

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Instrument storage environment:
Temperature: -10 °C ~ 50 °C, humidity: ≤90% RH, no condensation.
3) In order to keep good airiness, please don’t obstruct the left and right airiness holes to make the
instrument maintain the accuracy.
4) The instrument has been carefully designed to reduce the clutter caused by the AC power input,
and it should still be used in a low-noise environment as much as possible. If it cannot be
avoided, install a power filter.
5) The instrument, especially the test lead connected to the DUT, should be kept away from strong
electromagnetic fields to avoid interference with the measurement.
1.5 Use of Test Fixture
Please use the test fixtures or test cables provided by our company. The test fixtures or test cables
made by users or other companies may cause incorrect measurement results. The instrument
test fixture or test cable should be kept clean, and the pins of the DUT should also be kept clean to
ensure good contact between the DUT and the test fixture.
Connect the test fixture or test cable to the corresponding test end on the front panel of the
instrument. Note that the color of the plug of the fixture and the position of the arrow on the
instrument panel must be consistent; otherwise it may cause abnormal measurement.
1.6 Warm-up
1) To guarantee the accurate measurement, the warm-up time is no less than 30 minutes.
2) Do not switch the instrument frequently to avoid internal data confusion.

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Chapter 2 Front and rear panels and Entry operation
This chapter describes the basic operation steps of TH8200 instrument. Before using TH8200
instrument, please read this chapter in detail so that you can quickly learn the operation of TH8200
instrument.
2.1 Introduction to front panel
Figure 2-1 briefly describes the front panel of the TH8200.
Figure 2-1 Front panel
(1) LCD color liquid crystal display
(2) Button area
(3) Front terminal
(4) Trigger signal terminal
(5) USB
(6) Power switch (POWER)
2.2 Introduction to rear panel
Figure 2-2 shows the rear panel of TH8200.

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Figure 2-2 Rear panel
(1) External control terminal
(2) Master-slave connection port
(3) RS232
(4) Handler port
(5) USB
(6) Network port
(7) Power supply and fuse
2.3 Introduction to display zone
TH8200 series uses a 24-bit 4.3-inch true color LCD display with a resolution of 480*272. The
display screen is divided into the following display areas, as shown in Figure 2-3.

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Figure 2-3 display zones
(1) Title area
This area indicates the name of the current load mode.
(2) Measurement result display area
This area displays the voltage, current and power measurement results.
(3) Auxiliary key area
There are 5 auxiliary keys on the right side of the display. They are assigned to multiple soft keys
for parameter setting.
(4) Function key area
There are 6 function keys at the bottom of the display. They are assigned to multiple soft keys and
are used to expand specific menus in the auxiliary key area.
(5) Current range status display area
This area displays the current range of the instrument.
(6) Voltage range status display area
This area displays the instrument's voltage range.
(7) Remote control status display area
This area shows that the instrument is in remote control.
(8) Limit test result display area
This area shows the results of the instrument's limit test (GD stands for good, NG stands for bad).
(9) U disk mount display area
This area shows that the U disk has been inserted into the instrument.
(10) External level control status display area
This area shows that the instrument is in an external level control state.
(11) Timer display area
This area displays the timer time.
2.4 Basic Operation
The basic operations of TH8200 keys are as follows:

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interface you want to display. (Refer to Figure 3-1)
cursor to the field you want to set. When the cursor moves
to a certain field, the field will change to a cursor color.
The corresponding menu function at the current cursor will be displayed in the "soft key area".
Press the ENTER key to select the first soft key in the soft key area, then use the up, down, left
and right keys to select, and press the [ENTER] key to confirm. When you select the area
where you want to enter a number or file name, press the ENTER key, the numeric keyboard
will be displayed. You can use the up, down, left, and right keys to select numbers or letters
and then press the [ENTER] key to confirm the input.
TH8200 touch screen operation is more convenient, just press the corresponding function of the
screen with your finger, and the corresponding work will be carried out. It is important to know
that you should never touch the screen with sharp objects and nail tips. This may cause
damage to the touch screen. Our company will not be liable for any damage caused.
2.5 Power On
Plug in the three-wire power plug to ensure reliable connection of the power ground. Press the
power switch in the lower left corner of the front panel of the instrument, the instrument turns on
and the startup screen is displayed.
Figure 2-4 shows the startup screen of TH8201. The startup screen includes some product
information such as Tonghui's trademark, instrument model, and version number
Figure2-4 TH8201 Startup Screen

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Chapter 3 Basic Mode Key Group
This chapter provides reference information for the function key menu corresponding to the front
panel key MODE.
"CC Key Group"
"CV key group"
"CR key group"
"CP Key Group"
In each mode, the current range (or resistance range or power range) and voltage range can be set
independently.
The range can only be changed when the load is in [Load Off] state.
The corresponding relationship between the measuring range and the instrument model is shown in
the following table:
Model
Low current range
Mid current range
High current range
TH8201-150-40
400mA
4A
40A
TH8202-150-80
800mA
8A
80A
TH8203-150-160
1.6A
16A
160A
TH8204-150-240
2.4A
24A
240A
Model
Low resistance range
Mid resistance range
High resistance range
TH8201-150-40
2.5kΩ
25kΩ
250kΩ
TH8202-150-80
1.25kΩ
12.5kΩ
125kΩ
TH8203-150-160
625Ω
6.25kΩ
62.5kΩ
TH8204-150-240
420Ω
4.2kΩ
42kΩ
Model
Low power range
Mid power range
High power range
TH8201-150-40
2W
20W
200W
TH8202-150-80
4W
40W
400W
TH8203-150-160
8W
80W
800W
TH8204-150-240
12W
120W
1200W
Model
Low voltage range
High voltage range
TH8201-150-40
15V
150V
TH8202-150-80
15V
150V
TH8203-150-160
15V
150V
TH8204-150-240
15V
150V
The current rising/falling slope can be set in CC and CP modes.
The corresponding relationship between the setting accuracy and the instrument model is shown in
the following table:
Model
Low current range
Mid current range
High current range
TH8201-150-40
10μA/μs
100μA/μs
1mA/μs
TH8202-150-80
20μA/μs
200μA/μs
2mA/μs
TH8203-150-160
50μA/μs
500μA/μs
5mA/μs
TH8204-150-240
100μA/μs
1mA/μs
10mA/μs

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The corresponding relationship between the setting range and the instrument model is shown in the
following table:
Model
Low current range
Mid current range
High current range
TH8201-150-40
100μA/μs ~100mA/μs
1mA/μs ~1A/μs
10mA/μs ~10A/μs
TH8202-150-80
200μA/μs ~200mA/μs
2mA/μs ~2A/μs
20mA/μs ~20A/μs
TH8203-150-160
500μA/μs ~500mA/μs
5mA/μs ~5A/μs
50mA/μs ~50A/μs
TH8204-150-240
1mA/μs ~1A/μs
10mA/μs ~10A/μs
100mA/μs ~100A/μs
3.1 CC Key Group
Press the [CC] menu key in the function key area at the bottom of the screen, and the parameter
setting menu for the CC function will be expanded in the auxiliary key area on the right side of the
screen.
Current setting
Set load current
Rising slope
Set current rising slope
Down slope
Set the current drop slope
Current range
Low range
Mid-range
High range
Voltage range
Low range
High range
3.1.1 Load Current
The high limit can be set to 105% of the full scale of the current current range.
The relationship between setting accuracy, current range and instrument model is shown in the
following table:
Model
Low range setting accuracy
Mid range setting accuracy
High range setting accuracy
TH8201-150-40
10μA
100μA
1mA
TH8202-150-80
20μA
200μA
2mA
TH8203-150-160
50μA
500μA
5mA
TH8204-150-240
100μA
1mA
10mA
3.2 CV Key Group
Press the [CV] menu key in the function key area at the bottom of the screen, and the parameter
setting menu for the CV function will be expanded in the auxiliary key area on the right side of the
screen.

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Voltage setting
Set load voltage
Current range
Low range
Mid-range
High range
Voltage range
Low range
High range
3.2.1 Load Voltage
The high limit can be set to 105% of the full scale of the current voltage range.
The relationship between setting accuracy, voltage range and instrument model is shown in the
following table:
Model
Low range setting accuracy
High range setting accuracy
TH8201-150-40
1mV
10mV
TH8202-150-80
1mV
10mV
TH8203-150-160
1mV
10mV
TH8204-150-240
1mV
10mV
3.3 CR Key Group
Press the [CR] menu key in the function key area at the bottom of the screen, and the parameter
setting menu for the CR function will be expanded in the auxiliary key area on the right side of the
screen.
Resistance setting
Set load resistance
Resistance range
Low range (equivalent to high current range)
Mid-range (equivalent to current mid-range)
High range (equivalent to low current range)
Voltage range
Low range
High range
3.3.1 Load Resistance
The high limit can be set to 105% of the full scale of the current resistance range.
The relationship between setting accuracy, resistance range and instrument model is shown in the
following table:
Model
Low range setting accuracy
Mid range setting accuracy
High range setting accuracy
TH8201-150-40
10μΩ
100μΩ
1mΩ
TH8202-150-80
10μΩ
100μA
1mA
TH8203-150-160
1μΩ
10μΩ
100μΩ

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TH8204-150-240
1μΩ
10μΩ
100μΩ
3.4 CP Key Group
Press the [CP] menu key in the function key area at the bottom of the screen, and the parameter
setting menu about the CP function will be expanded in the auxiliary key area on the right side of
the screen.
Power setting
Set load power
Rising slope
Set current rising slope
Down slope
Set the current drop slope
Power range
Low range (equivalent to low current range)
Mid-range (equivalent to current mid-range)
High range (equivalent to current high range)
Voltage range
Low range
High range
3.4.1 Load Power
The high limit can be set to 105% of the full scale of the current power range.
The relationship between setting accuracy, power range and instrument model is shown in the
following table:
Model
Low range setting
accuracy
Mid range setting
accuracy
High range setting
accuracy
TH8201-150-40
100μW
1mW
10mW
TH8202-150-80
100μW
1mW
10mW
TH8203-150-160
1mW
10mW
100mW
TH8204-150-240
1mW
10mW
100mW