Downloads



Software Updates

These are updates to Turnkey software. They aren't the full program. If you need a new installation CD for one of our programs, please contact us at shop@turnkey-instruments.com.
 

Latest AirQ update (version 1.132)
This fixes a bug that reset the alarm levels on the instruments.

Latest WinSim II update (version 1.0.7)
This saves test units from the most recent search, and displays zoomed graphs correctly in reports.
 

Drivers

Latest USB drivers for the instruments
Installation instructions for USB drivers



Manuals and Technical Specifications

You can find manuals and technical spec sheets on the individual instrument pages of this site.
 

Technical Documents

Air Particle Monitor FAQs
Simret Makes Heavy Vehicle Brake Testing Easy
The History of Simret
Interpretation of Simret Results
Brake Testing for Rubber-Tyred Vehicles
Equivalence of TintMan
Window Tinting
 

Instrument Certification

Osiris and Topas MCERTS certificates
g-meter, g-meter+ and BrakeSafe VOSA certificates
g-meter TÜV certificate