The Equopen portable hardness tester has a pen-shape that makes it convenient to carry and easy to use. It is suitable for applications requiring fast measurements in the field. It displays readout directly to the Rockwell C scale and is highly accurate. It is powered by two small "button cell" batteries that will last for approximately 130 hours of continuous use and also has automatic power on and off.
Portable Hardness Tester
June 7, 2005