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Overview and Specifications:

USB 2.0 Full-Color LCD Display Tester       
                                                                                                                                                                                         
-Model : UM25/UM25C
Technical Parameter:
Product Model:UM25/UM25C                                                 Display screen:1.44 Inch color LCD display
Voltage measurement range:4-24.000V                                Voltage measurement resolution:0.001V
Current measurement range:0-5.0000A                                 Current measurement resolution:0.0001A
Capacity accumulation rannge:0-99999mAh                         Voltage measurement accuracy:±(0.5‰+2digits)
Energy sccumulation range:0-99999mWh                             Current measurement accuracy:±(1‰ +4 digits)
Load impedance range:0.8Ω-9999.9Ω                                   Time measurement range:0-99h59min59s
Temperature range:-10℃~100℃/0℉~200℉                      Temperature measurement error:±3℃/±6℉
Screen brightness setting:0-5 levels                                        Auto screen off time:0-9mins
Voltage graphing range:0-24.00V                                            Current graphing range:-5.0000A
Refresh rate:2Hz                                                                 Quick charge recognition mode:QC2.0、QC3.0、APPLE 2.4A/2.1A/ 1A/0.5A、Android DCP、SAMSUNG
 
Note: 
recently products appearence is updating., there is some words changed. other things are same. so please refer to the received product.
1. UM25 is no communication version, UM25C is conmmunication version by Bluetooth connection. 
2. PC software support PC window (Win 7 and above) and Phone Android (Android 5.0 and above, support 14 kinds language, chinese, english and Russia …. )
3, User manual, PC software installation instruction and PC software and Android APP download link: http://www.mediafire.com/folder/q2b8h079hpywq/UM25
4: USB2.0 support Huawei quick charge. there is type-c in and type-c ouput port, it can measure type-c cable , support type-c charge , but not tuype-c  charger identify resistance , not tigger. 
5, For Android APP : 
A: APP only support android 5.0 and above .
B: Allow APP to do in the background, not be cleaned.
C: allow APP self-starting.
D: Allow APP stay after screen locked, not be cleaned.
E: for desktop, when you use the bluetooth adapter to make bluetooth connection, Please don’t use the adapter own driver, and use the windows system bluetooth driver, otherwise the module can’t make SSP series port communication. If you have installed the adaptor driver, you can uninstall it and unplug the adaptor, then plug in again, the system will install it automatically.
6. Description video : 
A: https://www.youtube.com/watch?v=rNDMIFiWq64  
B: cable resistance measurement video : https://www.youtube.com/watch?v=-kNJVNPbGvc&t=30s
customer test video : https://www.youtube.com/watch?v=zwrBlG3DWZk
APP test and other function introduction :



 
3 Bluetooth connection
3.1 open the bluetooth switch on the UM25C.
3.2 Use the compute to search bluetooth device. 
 
 
3.3 View bluetooth setting 
Select the device connected with bluetooth, view the bluetooth series port COM what PC was using. Efferent direction COM (UM25C’Port’) is bluetooth connection port. (note: at win7 system, select bluetooth device, right-click to view properties, display the following widows, view COM port of bluetooth setting, select efferent direction series port to connect. At win10 system, select bluetooth device, click “more bluetooth option”, view COM port of bluetooth setting, select efferent direction series port to connect.)

3.4 Connect bluetooth:

3.5 When the Bluetooth indicator changes from blinking to static, click “Connect”
4. Function Introduction
4.1 Program interface overview:


 
1: Basic functions: Previous page, Next pages, Rotate screen,
2: Corresponding data group: data group switch (click the corresponding number to switch directly into this data group ), data group data clear 
3: Corresponding the main display interface 1: main measurement interface  
4: Corresponding the main display interface 3: Data recording interface
5: Corresponding the main display interface 2: Quick Charge Recognition interface
6: Corresponding the main display interface 6: temperature unite switch, dual format temperature display
7: Corresponding the main display interface 6: screen brightness, auto screen off time.
8: Corresponding the main display interface 5: Voltage-Current Graphing Interface.
 
4.2 Graphing and Data Export:
Move mouse over the Voltage / Time measurement graph then right-click and select the following options:
4.2.2: Export data to the clipboard:
Format : Reference point number on X Axis,  Voltage value at that reference point.
Read times - Voltage  graph Voltage(V) - Voltage  graph Read times - Current graph Current(A) - Current graph
0 23.998 0 0.0002
1 23.998 1 0.0002
2 23.998 2 0.0001
3 23.998 3 0.0001
4 23.998 4 0.0002
5 23.998 5 0.0002
6 23.998 6 0.0021
7 23.998 7 0.0021
8 23.998 8 0.0018
9 24.084 9 0.0018 

4.2.3: Export data to Excel:
Export data to Excel. If you want export all data, remember to click auto scale X. otherwise only the current record data group is exported. Please note, the exported data is only for Microsoft Office Excel.

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