CANCrocodile Mini
contactless CAN bus data sniffer

CANCrocodile Mini contactless CAN bus data reader is a sniffer for easy and safe reading of signals from CAN (SAE j1939), ISObus (ISO 11992-2), CAN Open, DeviceNet, NMEA 2000 data buses.

CANCrocodile Mini is used in vehicle telematics and GPS tracking systems for sniffing parameters of engine, ABS, ECAS and other units.

CANCrocodile Mini is connected to CAN bus in the way that the wire insulation remains intact and no electrical contact occurs, the sniffer is invisible to other devices and does not reflect signals back to the bus.

Tasks solved

Учет времени работы двигателя (по CAN)Engine hours monitoring (CAN)
Учет израсходованного топлива (по CAN)Fuel consumption monitoring (CAN)
Испытание двигателей в части потребления топлива (по CAN)Remote engine diagnostics using DTC (CAN)

7 core advantages of CANCrocodile Mini

  1. <1% message loss at 125-1000 kbps CAN bus speed
  2. power supply from the on-board network 10-50V without additional power adapters,
  3. LED-indication of power supply and CAN signal reading,
  4. low current consumption – 3mA/5mA at supply voltage 24/12V,
  5. compact housing dimensions for installation in dense wiring harnesses,
  6. reliable clamping of CAN-H and CAN-L wires to the reading surface,
  7. convenient placement of wires in the grooves of the lock cover.

CANCrocodile Mini contactless CAN bus data sniffer for CAN wires

CANCrocodile Mini application in vehicle telematics and GPS-tracking

CANCrocodile Mini CAN bus sniffer application in vehicle telematics and GPS-tracking

The Crocodile output signal goes to a telematics unit, which transmits the received data to a web-based (cloud) software. A cloud telematics software parses and analyzes the received CAN data and generates reports containing information on fuel level, fuel consumption, engine RPM, active faults (DTC) and other operational parameters of the equipment available in the CAN j1939 bus.

Installing contactless reader on CAN-H and CAN-L wires

Installing contactless reader (sniffer) on CAN-H и CAN-L wires

Open the case and remove the sniffer lock cover.

Carefully place the CAN High and CAN Low wires into the grooves according to the marking.

Insert the lock cover back into the housing and close until click. CANCrocodile Mini is ready for use.

Technical specifications

CAN bit rate (input and output), kbit/s 125…1000
Acceptable level of message losses, %,  less than 1
Power supply voltage
for U12/24 model, V
Maximum current consumption of
U12/24 model at nominal power supply
12/24 V, mA, less than
Ambient operating temperature, oС -40…+85
Ingress protection IP30
Weight, kg, less than 0.1
Compatibility SAE j1939
ISO 11992-2
CAN Open
NMEA 2000
* Losses depend on network traffic and interference/noise on the bus.

CANCrocodile Mini contactless CAN bus data sniffer drawing

Other contactless readers (sniffers)


J1708 data reader (SAE J1578)

Бесконтактный считыватель 1708Crocodile


Nozzle pulse counter for gasoline engines

Бесконтактный считыватель NozzleCrocodile


Compact flat-surface reader for CAN J1939 bus

Бесконтактный считыватель CANCrocoLITE


Contactless reader and FMS-gateway in single body

Бесконтактный считыватель-преобразователь FMSCrocodile


Classic contactless data reader for CAN J1939

Бесконтактный считыватель CANCrocodile

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