I believe very strongly in the ACI certifications, and I can pretty confidently say this:
ACI Field Testing Technician Grade I = Adequate Technician
ACI Concrete Construction Inspector = Good Technician
Of course, a person is not good or bad because they have or have not a certificate, but as...
I've never used a Gilson compression machine before, I have a Forney and I love it (worth every penny). I use many of Gilson's other products, though and they make some of the best materials testing equipment.
Ray Carrasco
Licon Engineering Co., Inc.
El Paso, TX
