About ACR Systems Products
Hardest Working Data Loggers in the Industry - ACR
ACR Data Loggers
ACR Specialty Products
ACR Software
ACR Accessories
Specialty Products

Beyond data loggers, we also offer unique products acting as your first line of confirmation and defense when it comes to your power quality.

PowerChek The most inexpensive, compact, easy to use power supply indicator ideal for everything from automotive and transportation applications to more industrial power verification uses - Use with all 120V Circuits
PowerWatch - 120V (North America) The only affordable, wire-free voltage disturbance recorder providing an easy to use first line of power analyzing attack for data centers, healthcare equipment, and other critical power environments
PowerWatch - 220V The only affordable, wire-free voltage disturbance recorder providing an easy to use first line of power analyzing attack for data centers, healthcare equipment, and other critical power environments