ACR Systems Inc.
ACR Systems is one of the world's leading manufacturers of compact, portable data loggers. These electronic monitoring devices measure and record a variety of parameters including temperature, humidity, electric current, voltage, pressure, process signals (i.e. 4-20mA or 0-5 volt DC), pulse frequency, and much more. You can download your data to a PC or laptop and analyze the data with ACR's versatile and easy-to-use software.