Data Acquisition and Analysis Solutions

OBD Mini Logger™

Conveniently fits directly on the J1962 OBD connector to acquire OBD, CAN, and J1939 data.

DAWN PC Software™

Software suite with features including configuration, display and analysis.

DAWN™ Dashboard

A custom website that automatically processes, analyzes and displays data.

J1939 Mini Logger™

Conveniently fits directly onto the J1939 heavy duty connector to acquire CAN, J1939 and J1708 data.

DAWN OBD Inspector™

Inspection/Maintenance tool for heavy-duty vehicles includes TamperDetect™ to find deleted emissions.

DAWN Software

CAN Mini Streamer™

Real-time streaming of data to a PC, iOS, or Android device for service, performance and vehicle inspections.

Mini ADAQ™

4 to 20 analog channels with signal conditioning to acquire temperature, voltage, current, digital, frequency, etc.


See how our expertise can help with your application. HEM Data has written two books published by SAE.

Enhanced Parameters

Manufacturer EOBD databases extend the number of available parameters on a vehicle beyond the standard OBD-II parameters.