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Kvaser Leaf Light HS v2

SKU #: KV-00685-0

The Kvaser Leaf Light HS v2 is a high-performance USB-to-CAN interface designed for reliable communication. Compact and lightweight, this versatile connector provides a seamless link between your computer and CAN (Controller Area Network) bus systems. The sleek and ergonomically designed Kvaser Leaf Light v2 makes it an excellent choice.

Choosing the Kvaser Leaf Light HS v2

The sleek and ergonomically designed Kvaser Leaf Light V2 represents one of the most cost-efficient and easy ways of connecting a laptop or desktop computer to a CAN bus network. The PC connection is established through a USB 2.0 compliant connector and the 9-pin D-SUB connector plugs into your CAN bus cable. Galvanic isolation of the CAN signals is offered by default with this device. The robust design renders this USB-CAN adapter an ideal solution for everyday use while it is small and flexible enough to be used in space-constrained applications.

  • Dual CAN Channels and High-Speed Connectivity: With two CAN channels, this interface enables simultaneous monitoring and data transmission, maximizing efficiency in your projects. It also supports CAN data rates up to 1 Mbps, ensuring rapid communication without compromising reliability.
  • Compact and Portable Design: Its small size and lightweight design make it ideal for on-the-go use, perfect for field testing and diagnostics.
  • Versatile Compatibility: Compatible with various CAN software applications, including Kvaser’s own Kvaser CanLib SDK, making it easy to integrate into your existing systems. It works seamlessly with Windows, Linux, and macOS, offering broad compatibility for all users.
  • Overvoltage Protection: Protects against voltage spikes, providing peace of mind during operation in demanding conditions.


Kvaser's Leaf Light series is the workhorse of the CAN world. The newly launched Kvaser Leaf Light V2 supports high speed USB for CAN and offers high performance at low cost. Kvaser Leaf Light V2 is a reliable low cost product. Loss free transmission and reception of standard and extended CAN messages on the CAN bus is transmitted with a time stamp precision of 100 microseconds.

  • The Kvaser Leaf Light V2 is a high speed USB interface for CAN that offers loss free transmission and reception of standard and extended CAN messages on the CAN bus.
  • 8000 messages per second, each time-stamped with 100 microsecond accuracy
  • Galvanic isolation, previously a more expensive option on Kvaser's original Leaf Light, now comes as standard on the Leaf Light v2, enhancing protection from power surges or electrical shocks.
  • Low current consumption of 70 mA, reducing power drain from your laptop.
  • Local buffering and preprocessing results in high performance and a reduction of time critical tasks for the PC.
  • Leaf Light v2 comes with free software, free software updates and free support. Kvaser's easy-to-use Kvaser CANlib applications programming interface (API) has virtual hardware that simulates our real hardware, so you can start developing around the Leaf Light v2 interface right away.
Property Value
The information herein is subject to change without notice.
Galvanic Isolation Yes
Bitrate 40-1000 kbit/s
Silent mode No
Error frame generation No
Error frame detection Yes
Weight 100 g
Timestamp resolution 100
On board buffer Yes
Maximum message rate, send 8000
Maximum message rate, receive 8000
Sound No
Clock synchronization N/A
Dimensions (WxLxH) 40x100x20 mm (1.6x3.9x0.8in.)
Kvaser Leaf V2 User's Guide
User's Guide for the Kvaser Leaf Light V2
Version V12.4.220215
Kvaser Leaf V2 Datasheet
Datasheet for Kvaser Leaf Light HS v2
Kvaser SocketCAN Device Drivers
Kvaser SocketCAN Drivers for Linux.
Version V1.10.477
Kvaser Linux Driver and SDK
Linux driver and SDK for Kvaser PCIcan/PCIcanx, Kvaser PCIcanII, Kvaser PC104+, Kvaser PCIcanx II, Kvaser USBcan II, Kvaser Memorator*, Kvaser Leaf family, Kvaser Memorator Pro**, Kvaser USBcan Pro and VirtualCAN. For LAPcan and LAPcan II, you should use version 4.2 of the driver. (*) only with USBcanII functionality, (**) only with USBcan Pro functionality
Version V5.38.841
Kvaser DIADEM Driver
This free driver for National Instrument's DIAdem supports all CAN hardware from Kvaser.
Version V4.1.0
Kvaser Drivers for Windows
Windows drivers for all our CAN hardware. Please check release notes for information on which Windows versions are supported. It also contain a driver for the virtual CAN bus.
Version V5.38.841
Kvaser Firmware Update Tool
Firmware Update tool for most Kvaser devices.
Version V4.27.841
Python module
The Canlib module is a Python wrapper for Kvaser CANlib SDK.
Version V1.20.360
Kvaser LabView VI Library for CAN
Library for National Instrument's LabView. Version for all Kvaser CAN hardware.
Version V19.3.0
Kvaser CANlib SDK
Software development kit - everything you need to develop software for the Kvaser CAN and LIN interfaces. Libraries, header files, sample programs for e.g. C, C++, C#, Visual Basic and Delphi, documentation, and more. Note: you need to download and install the appropriate device drivers separately.
Version V5.38.841
Kvaser CANKing
A free of charge, general-purpose CAN bus monitor. It works with all CAN interfaces from Kvaser and also with the virtual CAN bus.
Version V6.21.288

Why Phytools?

  • Official North American distributor for products from PEAK-System Technik, SYS TEC electronic, and GEMAC

  • Authorized distributor for products from KUNBUS, Kvaser, MACH Systems, and Embedded Systems Academy

  • Member of CAN in Automation (CiA) and EtherCAT Technology Group (ETG)

  • Over 20 years of experience

  • Diverse customer base across industries such as automotive, industrial automation, medical equipment, aerospace, agriculture, construction, and renewable energy

  • Offers a large selection of networking solutions

  • In-house expertise to provide efficient and cost-effective products

  • Provides support from pre-sales to rapid resolution of issues to exceed customer expectations.

Frequently Asked Questions

How many CAN channels does the Kvaser Leaf Light HS v2 support?

It supports dual CAN channels, allowing for simultaneous monitoring and transmission of CAN data.

Is the Kvaser Leaf Light v2 compatible with all operating systems?

Yes, it is compatible with Windows, Linux, and macOS, providing flexibility for various users and applications.

Do I need additional software to use the Kvaser Leaf Light HS v2?

Basic functionality can be achieved without additional software, but using Kvaser’s CanLib SDK or other CAN software will enhance your experience and capabilities.

Can I use the Kvaser Leaf Light HS v2 for field testing?

Yes, its compact and lightweight design makes it ideal for on-the-go use, perfect for field testing and diagnostics in various environments. This is great for developers, engineers, technicians, and more.

The Kvaser Leaf Light HS v2 is a high-performance USB-to-CAN interface designed for reliable communication. Compact and lightweight, this versatile connector provides a seamless link between your c...