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User’s Manual                                                                                                                                                           Series DC Electronic Load 

Instruments.uni-trend.com

                                                                                                                                                                                   

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Foreword 

 

Dear Users, 
 
Hello! Thank you for choosing this brand new UNI-T instrument. In order to use this instrument safely and 
correctly, please read this manual thoroughly, especially the Safety Requirements part.   
 
After reading this manual, it is recommended to keep the manual at an easily accessible place, preferably 
close to the device, for future reference.

 

 

Warranty 

 
UNI-T warrants that the product will be free from defects for a three-year period. If the product is re-sold, 
the  warranty  period  will  be  from  the  date  of  the  original  purchase  from  an  authorized  UNI-T  distributor. 
Probes, other accessories, and fuses are not included in this warranty. 
 
If the product is proved to be defective within the warranty period, UNI-T reserves the rights to either repair 
the defective product without charging of parts and labor, or exchange the defected product to a working 
equivalent  product.  Replacement  parts  and  products  may  be  brand  new,  or  perform  at  the  same 
specifications as brand new products. All replacement parts, modules, and products become the property of 
UNI-T. 
 
The  “customer” refers  to  the individual  or  entity that  is  declared in the  guarantee. In  order  to  obtain the 
warranty service, "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 shipping the defective products to the designated maintenance center of UNI-T, pay the shipping cost, 
and provide a copy of the purchase receipt of the original purchaser. If the product is shipped domestically 
to the location of the UNI-T service center, UNI-T shall pay the return shipping fee. If the product is sent to 
any other location, the customer shall be responsible for all shipping, duties, taxes, and any other expenses. 
 
This warranty shall not apply to any defects or damages caused by accidental, machine parts’ wear and tear, 
improper  use,  and  improper  or  lack  of  maintenance.  UNI-T  under  the  provisions  of  this  warranty  has  no 
obligation to provide the following services: 
a) Any repair damage caused by the installation, repair, or maintenance of the product by non UNI-T service 
representatives. 
b) Any repair damage caused by improper use or connection to an incompatible device. 
c)  Any  damage  or  malfunction  caused  by  the  use  of  a  power  source  which  does  not  conform  to  the 

requirements of this manual. 

d) Any maintenance on altered or integrated products (if such alteration or integration leads to an increase 

in time or difficulty of product maintenance). 

 
This warranty is written by UNI-T for this product, and it is used to substitute any other express or implied 

Содержание UTL8200+ Series

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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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