Questions? Call us at 603-363-4500


After 32 years serving the Blasting and Construction Industries Thomas Instruments, Inc. is pleased to offer a limited time customer appreciation discount on our high-quality products.


 VMS-4000 seismograph $3,320.25

Model 106 Blaster’s Ohmmeter (Galvanometer) $223.25 (buy 11 and get the 12th one free)

Model 109 Blaster’s Digital Multimeter $394.25 (buy 11 and get the 12th one free)

Model 109SC Stray Current Test Kit $565.25 (buy 11 and get the 12th one free)

This limited offer extends to our seismograph calibrations $375.25 and multimeter calibrations $76.00.

Act now before this offer expires.


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