The St-3/XT3 is the ultimate portable transformer-rated site tester.

With its built-in WiFi technology, it can easily be controlled from any mobile device or laptop.


To get your estimation for the ST-3/XT3, please fill out the form below and we will be happy to respond in a timely manner via email or phone.

Thank you for your interest in our products!

Request an estimate for the ST-3/XT3

Probewell Lab Inc.

4500, Michelet St.
Quebec, QC, G1P 0B5

Phone: 1-866-626-1126
Fax: 418-626-1424

General Information:


Opening hours
Monday to Friday
8AM to 4PM (Eastern Standard Time)