SPC-400 Series: A portable hand-held monitor that displays bolt load (joint clamp load) as a percentage of it's proof load.

 

SPC-420 Series: The portable SPC-420 Series monitor provides an additional feature in that it can be coupled to a power tightening tool and shuts it down at the predetermined joint clamp load.

 

SPC-440 Series: The portable SPC-440 Series monitor incorporates the features of the SPC-400 and SPC-420 Series monitors, the capability of downloading data from a single bolt to a computer.

 

SPC-460 Series: The portable SPC-460 Series incorporates the features of the SPC-440 Series with multi-channel unit, that can simultaneously monitor the performance of any number of bolted joints and display results and store them for permanent record keeping.