RIDEN® UM24/UM24C USB 2.0 Color LCD Display Tester Voltage Current Meter Voltmeter Amperimetro Battery Charge Measure Cable Resistance


Type: A

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About this item

Technical Parameter:

Product Model:UM24/UM24C                                            Product weight:23.47g(UM24C) 18.83g(UM24)

Voltage measurement range:4.50-24.00V                        Voltage measurement resolution:0.01V

Current measurement range:0.000-3.000A                      Current measurement resolution:0.001A

Capacity accumulation rannge:0-99999mAh                    Voltage measurement accuracy:±(0.2%+1 digit)

Energy sccumulation range:0-99999mWh                        Current measurement accuracy:±(0.8%+3 digit)

Load impedance range:1.5-9999.9Ω                                Time measurement range:0-99h59min59s

Temperature range:-10℃~100℃/0℉~200℉                    Temperature measurement error:±3℃/±6℉

Screen brightness setting:0-5 level                                   Auto screen off time:1-9mins

Voltage graphing range:04.5-24.0V                                  Current graphing range:0.00A-3.00A

Display screen:1.44 Inch color LCD display                      Quick charge recognition mode:QC2.0     QC3.0

Refresh rate:2Hz                                                               Product size:71.2mmx31.8mmx12.4mm(UM24C) 71.2mmx31.8mmx11.3mm(UM24)     



1. UM24 is no communication version(Type A), UM24C is conmmunication version by bluetooth connection(Type B). 

2. PC software support PC window (Win 7 and above) and Phone Android (Android 5.0 and above, support 3 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/0jt6xx2cyn7jt/UM24
4, For Android APP:
A: It only support android 5.0 and above.
B: allow APP can do in the background, not cleaned.
C: allow APP self-starting.
D: Allow stay after screen locked, not cleaned

Product Model UM24(C) UM34(C) UM25(C)
USB Port USB 2.0
USB 3.0 port
Support OPPO phone VOOC,
OnePlus DASH
USB 2.0
Support Huawei quick charge
Expansion port Micro USB Micro USB/Type-C Micro USB/Type-C
Special function  
One button to close screen, voltage current 2in1 graph,
free to set them color
Voltage measurement range 4.5-24V 4-24V
Current measurement range 0-3.000A 0-4.000A 0-5.0000A
Voltage measurement resolution 0.01V 0.001V
Current measurement resolution 0.001A 0.0001A
Capacity accumulation range 0-99999mAh
Energy accumulation range 0-99999mWh 0-99999mWh-999.99Wh 0-99999mWh
Product Mode QC2.0, QC3.0 QC2.0, QC3.0, APPLE 2.4A/ 2.1A /1A/ 0.5A


Package included:

1 x 
USB 2.0 Color LCD Display Tester

Shipping information

(1) FREE Shipping 10 - 15 business days, (2) Standard Shipping 7 - 12 business days.

Shipping and Delivery Estimates

We ship in-stock orders as soon as possible. This is often within two business days, but there are situations where it may take longer. All estimates are based on business days.


(1) The shipping time mentioned above refers to the estimated time of business days that the shipment will take after an order has been shipped.

(2) Business days do not include Saturday/Sunday and any public holidays.

(3) These estimates are based on normal circumstances and are not a guarantee of delivery times.

(4) We are not responsible for the failures or delays in delivery resulting from any force majeure event, such as natural disaster, bad weather, war, customs issues, and any other event beyond our direct control.

for more information please visit our Shipping Policy Page.

Return and exchanges

Our policy lasts 14 days. If 14 days have gone by since your purchase, unfortunately we can't offer you a refund or exchange. To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.

for more information please visit our Refunds & Returns Policy page.