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USR CAN300s Industrial Grade 2-CH USB to CAN Adapter - Dual-Channel CAN Analyzer - Supports Windows & Linux Systems
The USR CAN300S is an industrial-grade 2-channel USB to CAN adapter designed for reliable CAN bus communication, monitoring, testing, and diagnostics. It provides two independent CAN channels through a USB interface, making it suitable for automotive electronics, industrial automation, embedded systems, CAN network development, and maintenance applications.
With support for Windows and Linux systems, the CAN300S offers flexible compatibility for PC-based CAN analysis and communication. Its dual-channel design allows users to monitor or communicate with two CAN networks simultaneously, making it ideal for applications that require efficient multi-channel CAN bus testing.
Built for industrial environments, the USR CAN300S provides stable and dependable CAN communication while simplifying connection between a computer and CAN-based devices. It can be used for CAN data monitoring, debugging, parameter configuration, network testing, and development.
Specifications
- working voltage: The USB bus operates directly without requiring an external power supply。Voltage: 4.5V-5.5V, Current: 100mA-200mA
- size: 103*66*25mm
- pilot lamp: PWR、SYS、CAN1、CAN2
- USB port: The USB interface supports USB 3.0 and USB 2.0, and is compatible with USB 1.1 and OTG standards.
- CAN port: Two CAN ports supporting CAN2.0A and CAN2.0B protocols, with compatibility for both standard and extended frames.
- CAN port baud rate: The speed range is 10Kbps to 1Mbps, configurable via software.
- terminal resistance
- Each CAN port is equipped with two CAN bus 120Ω terminal resistors.
- Connect the resistor via dial code control by setting any digit to ON, then connect a 120Ω resistor in parallel.
- Set both dial switches to ON and connect two 120-ohm resistors in parallel.
- working temperature: -20~85℃
- Working humidity: 5%~95% RH (no condensation)
- Isolation performance: The CAN bus interface employs high-speed signal isolation and isolated DC-DC power supply; USB, CAN1, and CAN2 ports are completely isolated from each other.
- Isolation voltage: Insulation voltage of isolation module: 2500VDC
- basic function: Supports protocol conversion between USB and CAN bus, enabling CAN bus data analysis, network data acquisition, error diagnosis, and real-time monitoring.
- Protocol parsing: Supports high-level protocols including CANopen, J1939, DeviceNET, and ISO 15765.
- Secondary development: Supports C++Builder, C#, Visual C++, VB, VB.NET, Delphi, LABVIEW, LabWindows/CVI, and Matlab for developing custom applications.
- support system: Top-tier CAN300s model: Supports both Windows and Linux operating systems
- Other features: CAN relay and transparent transmission; the top-tier version supports fault tolerance and single-wire CAN communication.
Package Includes
- 1x USR CAN300s Industrial Grade 2-CH USB to CAN Adapter - Dual-Channel CAN Analyzer - Supports Windows & Linux Systems


Warranty Terms :
Branded products (Waveshare/ Raspberry Pi/ Radxa/ DWIN etc) are as per brand warranty terms. Generic products are eligible for replacement within 7 days of delivery based on following conditions.
Products are eligible for a replacement if there is physical damage during transit or a clear manufacturing defect. Any claim for damage/ wrong items/ replacement must be made within 48 hours of successful delivery of the product. Requests for refund of amount or exchange of product(s) will be reviewed on a case by case basis and HUBTRONICS carries final rights to take a final decision on refund, store credit or exchange.
What to take care of ?
Most of our products are technical in nature and require trained personnel to handle them. Any kind of mishandling can result in damage or malfunctioning of the product, it is not possible for us to provide a replacement or refund if the product is damaged due to technical or physical mishandling.
Who pays the return shipping cost?
Free of cost return pickup from delivery address is eligible for products categorized as manufacturing defect/ Damage in transit/ Wrong items delivered. We do not support return pickup for any B2B order or offline orders not placed on website. Buyer need to arrange return shipping for B2B orders.
What voids warranty?
Please note that replacement/ return or refund is not possible if the product is not compatible with your system/application. Please check all the technical details/ dimensions etc. before ordering and contact us for any kind of clarifications.
If product is soldered/ programmed at any point or physically altered in any way, it is not eligible for return/ replacement. If the item requires soldering for testing, please ensure that you use suitable clips or jig to test it without soldering. Any kind of soldering job makes the product ineligible for return or replacement.
Following items are not eligible for return under any circumstances
- Device Programmers / Dongles
- Soldering Consumables (Wire, Flux etc)
