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User’s Manual                                                                                                                                                           Series DC Electronic Load 

Instruments.uni-trend.com

                                                                                                                                                                                   

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external surface of the instrument:   

a. Please use a soft cloth to wipe the dust outside the instrument. 
b. When cleaning the LCD screen, please pay attention and protect the transparent LCD screen.   
c. When cleaning the dust screen, use a screwdriver to remove the screws of the dust cover and then   

remove the dust screen. After cleaning, install the dust screen in sequence. 

d. Please disconnect the power supply, then wipe the instrument with a damp but not dripping soft cloth.   

Do not use any abrasive chemical cleaning agent on the instrument or probes. 

    Warning     

Please  confirm  that  the  instrument  is  completely  dry  before  use,  to  avoid  electrical  shorts  or  even 
personal injury caused by moisture.

 

 

11.2 

Appendix B Warranty Overview

 

UNI-T (UNI-TREND TECHNOLOGY (CHINA) CO., LTD.) ensures the production and sale of products, from 
authorized dealer’s delivery date of three years, without any defects in materials and workmanship. If 
the product is proven to be defective within this period, UNI-T will repair or replace the product in 
accordance with the detailed provisions of the warranty. 

 

To  arrange  for  repair  or  acquire  warranty  form,  please  contact  the  nearest  UNI-T  sales  and  repair 
department. 

 

In addition to permit provided by this summary or other applicable insurance guarantee, UNI-T does 
not provide any other explicit or implied guarantee, including but not limited to the product trading and 
special purpose for any implied warranties. 

 

In any case, UNI-T does not bear any responsibility for indirect, special, or consequential loss.

 

11.3 

Appendix C Contact Us 

If the use of this product has caused any inconvenience, if you in mainland China you can contact 
UNI-T company directly. 
Service  support:  8am  to  5.30pm  (UTC+8),  Monday  to  Friday  or  via  email.  Our  email  address  is 
[email protected] 
For product support outside mainland China, please contact your local UNI-T distributor or sales 
center. 
Many  UNI-T  products  have  the  option  of  extending  the  warranty  and  calibration  period,  please 
contact your local UNI-T dealer or sales center. 

 

To obtain the address list of our service centers, please visit our website at URL: http://www.uni-
trend.com 

 

Summary of Contents for UTL8200+ Series

Page 1: ...User s Manual UTL8200 Series DC Electronic Load...

Page 2: ...e customer must inform the defects within the applicable warranty period to UNI T and to perform appropriate arrangements for the warranty service The customer shall be responsible for packing and shi...

Page 3: ...d and pending patents UNI T reserves the rights to any product specification and pricing changes UNI T reserves all rights Licensed software products are properties of Uni Trend and its subsidiaries o...

Page 4: ...sers to pay attention to a certain operation process operation method or similar Product damage or loss of important data may occur if the rules in the Caution statement are not properly executed or o...

Page 5: ...I circuit or sockets more than 20 meters away from CAT IV circuit CAT III Primary circuit of large equipment directly connected to the distribution board and circuit between the distribution board and...

Page 6: ...cord is conductive If the cord is damaged please replace it before using the instrument Instrument Grounding To avoid electric shock the grounding conductor must be connected to the ground This produ...

Page 7: ...onment to avoid product damage or personal injury Caution Abnormality If this device may be faulty please contact the authorized maintenance personnel of UNI T for testing Any maintenance adjustment o...

Page 8: ...st conditions and is convenient to connect seamlessly with automated production lines and automatic test systems ATS The electronic load is stable and widely used to meet various testing requirements...

Page 9: ...Display Display the operating state of channel with load measurement parameter and operation mode 3 Key Select test mode CC CV CR CP and etc For the specified function 4 Channel input port Input load...

Page 10: ...rol input state of the load ON OFF LOCK Lock key long press to unlock short press to lock 4 4 2 Quick Function Key In the specified interface key can be combined with Shift key to quickly execute the...

Page 11: ...110V AC power socket 3 Fuse 4 Power Switch AC 220 110V Switch of AC voltage 5 RS232 External communication interface for remote control the electronic load 5 Inspection and Installment 5 1 Packing Lis...

Page 12: ...10 V Frequency 50 60HZ Power Consumption 50W Fuse AC 220V input voltage 250V 0 25A AC 110V input voltage 250V 0 5A Factory supply three core power cable please make sure power cable of three phase so...

Page 13: ...ents alcohol or gasoline to clean the instrument 6 Measurement 6 1 Power Up The correct self inspection of electronic load is as follows 1 Connecte the power cord corretly and make sure the 110V 220V...

Page 14: ...hown in the following figure 6 2 2 Measurement Interface No Name Description 1 State and mode information Display the current state of on load channel remote control short circuit test and trigger fun...

Page 15: ...Trigger mode Manual Ext Trig Trigger mode is manua external mode Waiting for trigger Trigger The current mode is waiting for trigger the mark will disappear when it generated Short circuit Short The l...

Page 16: ...load consumes a fixed power and the current decreases as the voltage increases to maintain a constant power Dynamic Test Set two different current values the electronic load can step through the two v...

Page 17: ...lluminated Press ON key again to stop the load and the indicator will be extinguished V I CV 0 Figure 7 1 2 Relation Schema of Voltage Current in CV Mode Operation steps 1 After the instrument is boot...

Page 18: ...ge to maintain a constant power Select CP mode in mode interface press Enter key to enter CP mode and input power value Press ON key the electronic load will in load state and the indicator will be il...

Page 19: ...parameter value of low scale Timing of low scale Set the load time of low scale High value Set the parameter value of high scale Timing of high scale Set the load time of high scale Rising Slop Set t...

Page 20: ...figure Figure 7 1 5 3 Toggled Transient Operation Operation steps 1 After the instrument is boot up press CH key to select the channel yellow wireframe area is the selected channel and it will display...

Page 21: ...0 groups of list files When set the list parameters set a group number at first Press Shift and then the Save key to save the setting Operation Mode Four operation mode Cont Trig ContEX TrigEX Cont Mo...

Page 22: ...rotary knob to select the parameter to adjust press Enter key to change and press it again to save the setting Set list parameter group number step repeat times and mode press Enter key to enter the a...

Page 23: ...uring the actual test user can view the battery voltage discharge current and discharged capacity at any time Operation steps 1 After the instrument is boot up press CH key to select the channel yello...

Page 24: ...complete the setting 5 Press Mode key to enter selection interface select CC CV CP CR mode press Shift short to enter short circuit mode the short circuit mark Short will appear on the screen indicat...

Page 25: ...protection event Polarity error If the positive and negaitive of input port is reverse connected it will trigger polarity error event Under voltage protection When the load is operating if it detects...

Page 26: ...rsor to System Config press Enter key to enter System Config page this page includes the list setting as follows System Parameter Setting Description Language CHN Englishh Set the system language Knob...

Page 27: ...same system configuration as shown in Figure 8 3 Figure 8 3 System Configuration Set Baud Rate Figure 8 4 Baud Rate Setting Setup Steps 1 Use rotary knob or direction key to move the cursor to baud r...

Page 28: ...HIGH I Rise 0 01A uS 1A uS Rising speed of the current I Fall 0 01A uS 1A uS Falling speed of the current Short T 0 9999 9mS Set the protective detection time for short overcurrent I Limit 0 40A 20A 1...

Page 29: ...al Flash for check Figure 8 6 UTL8211 List File Management Select one of the list file use combination key Shift ESC Delete to delete the file Select one of the list file press ON key to enter the fil...

Page 30: ...erminal Ready 5 GND Ground 6 DSR Data Set Ready 7 RTS Request to Send 8 CTS Clear to Sent 9 RI Ring Indicator 9 2 Communication Setting Communication setting is used to set the communication parameter...

Page 31: ...0 150V 0 150V Input Current 0 40A 0 20A single group channel Input Power 400W 200W x 2 Minimum of Operating Voltage 2 0V at 40A 2 0V at 20A CV Constant Voltage Mode Range 0 150V 0 150V Resolution 1mV...

Page 32: ...dance of Input Terminal 300K Fuse Specification 0 5A 110V 0 25A 220V Communication Interface RS232 Protocol SCPI Data Acquisition Software Power Requirements 110V 10 220V 10 Frequency 50 60Hz Size mm...

Page 33: ...s proven to be defective within this period UNI T will repair or replace the product in accordance with the detailed provisions of the warranty To arrange for repair or acquire warranty form please co...

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