Remember not to let your Testo freeze

If you freeze your Testo run the pump to thaw out the cells.

Testo 300

Checkout the new Testo 300 models available soon at your local Testo wholesaler.

Our Services


QRM Electronics Inc. Canada's Exclusive Testo Warranty Service Center.

Don't be fooled by unauthorized companies  claiming to calibrate your Testo without the  necessary proprietary software required to  update your Testo.