About

About Cannon Instrument Company CANNON® is a global leader in the manufacture and support of high-precision instrumentation for viscosity and other physical property testing. Our products meet or exceed ASTM, AASHTO, and SAE J300 regulatory standards. CANNON products include manual and automated viscometers, oil standards, constant temperature baths, and more. About Cannon Instrument Company CANNON® is a global leader in the manufacture and support of high-precision instrumentation for viscosity and other physical property testing. Our products meet or exceed ASTM, AASHTO, and SAE J300 regulatory standards. CANNON products include manual and automated viscometers, oil standards, constant temperature baths, and more.