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Item #:
195431890
Envistia USB Meter - Easy-to-Use USB Power Meter and USB Tester, Perfect for Testing Voltage and Current (Amperage) Between USB Port and Device
Item #:
195431890
ETB 2119
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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In stock
Imported from USA store
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Order now and get it around Sunday, September 06
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Ensure your devices are operating under safe power levels with accurate voltage and current readings.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
User-Friendly Design
Featuring an intuitive interface, this USB meter allows anyone to easily monitor voltage and current, making it accessible for both tech enthusiasts and casual users.
Accurate Measurements
Equipped with advanced sensors, it delivers precise readings of voltage and current, ensuring dependable performance for troubleshooting and optimizing device power consumption.
Portable Convenience
Lightweight and compact, this USB tester is highly portable, making it an essential tool for on-the-go technicians and everyday users alike, allowing for easy testing wherever needed.
Product Details
| Power Source | Battery Powered |
| Minimum Operating Voltage | 3 Volts |
| Upper Temperature Rating | 60 Degrees Celsius |
| Measurement Type | Voltmeter, Ammeter |
| Style Name | compact |
| Color | black |
| Item Dimensions | 2.01 x 0.79 x 0.59 inches (5.1 x 2 x 1.5 cm) |
| Specification Met | CE |
| Brand Name | Envistia |
| Model | EM-CMPTR-0003 |
| UPC | 732387202332 |
| Manufacturer | Envistia |
| Part Number | EM-CMPTR-0003 |
| Unit Count | 1.0 Count |
| Brand | Envistia |
| Style | compact |
| Item dimensions L x W x H | 2.01 x 0.79 x 0.59 inches (5.1 x 2 x 1.5 cm) |
Who Should Buy?
-
Tech Enthusiasts
Ideal for users seeking to monitor and analyze power consumption of USB devices for efficiency.
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DIY Hobbyists
Useful for individuals working on electronic projects requiring accurate voltage and current measurements.
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Device Troubleshooters
Beneficial for those diagnosing USB power issues with gadgets by testing the output and current draw.
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Casual Users
Not suitable for users who are unfamiliar with technical specifications and don't need detailed measurements.
Product Description
Envistia USB Meter - Easy-to-Use USB Power Meter and USB Tester, Perfect for Testing Voltage and Current (Amperage) Between USB Port and Device
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
Do I need any software to use the Envistia Charger Doctor?
Answer: No, it operates independently and displays values directly on the tester. -
Question:
What USB versions are compatible with this tester?
Answer: It works with USB 1.0, 1.1, 2.0, and 3.0 ports. -
Question:
What is the maximum current the meter can measure?
Answer: The tester can measure up to 3A of current.
Envistia Voltage Testers Editorial Review
**** The USB Meter has garnished a largely positive reception from users, Consistently praised for its practicality and ease of use in monitoring power Consumption across various USB devices. Users appreciate its ability to provide real-time readings of both voltage and current, with the LED display being clear and flicker-free. This feature allows for immediate updates whenever there are fluctuations in power draw, making it an essential tool for those engaged in testing or troubleshooting USB-powered devices. One notable advantage of this product is its energy efficiency; it requires minimal power to operate, effectively preventing drain from connected charge banks if no device is plugged in. This makes it particularly user-friendly for frequent use, such as testing multiple devices without worrying about depleting power sources. However, while many users are satisfied with the overall performance, some have raised concerns regarding accuracy. Reports suggest that the device may not provide precise current readings, often misrepresenting the measurement by 20 to 30 milliamps, particularly at lower currents. Additionally, users have pointed out the inconvenience of the display orientation when plugged into standard USB hubs, which can make it difficult to read the measurements comfortably. Despite these minor setbacks, the USB Meter has proven itself to be a valuable tool for hobbyists and technicians alike, especially for those who require quick assessments of power drain or USB charging efficiency. It is particularly recommended for casual use, given its affordability and reliable performance for basic testing needs. **
Customer Reviews & Ratings
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Pros
- Easy-to-use with clear, flicker-free LED display
- Real-time updates for voltage and current readings
- Requires minimal power, preventing drain on charge banks
- Affordable and practical for quick tests
Cons
- Potential inaccuracies in current readings (underestimates possibly by 20-30 mA)
Platform Trust & Buyer Confidence
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Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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Chitra
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
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Onesi
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
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Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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ETB 2119
Order now and get it around Sunday, September 06
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
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Features & Benefits
- Monitor voltage and current draw instantly with easy-to-read digital display.
- Compatible with USB 1.0 to USB 3.0 ports without needing drivers.
- Ideal for hobbyists, professionals, and curious consumers alike.
- Compact design for portability and easy storage.
- Perfect for troubleshooting old USB power supplies and testing devices.
- Versatile output with a range of 3.5-7VDC and current up to 3A.
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