AwQuick Mode - accelerated water activity measurement in typically 5 minutes AwE Mode: conventional water activity measurement with automatic detection of equilibrium Includes 2 sizes of sample holders and disposable sample cups, humidity calibration standards, etc. Stand alone system for bench top use Compatible with the HW4 software for the capture of end values, live graph, data logging, etc. HygroLab 3 indicator accepts a large choice of probes, suitable for the direct measurement of products in bulk and other applications.