The Dark Matter device is our latest tool.  This is a very sensitive tri-axis EMF meter that has multiple functions.  The device will measure temperature, AC EMF, ELF EMF, VLF EMF, and pressure.  To break this down in easy terms this is what this device can measure.  electromagnetic field, temperature, pressure, sound, infrared energy, electric potential, sound, and more.  It can connect to your PC and cranks out amazing graphs of your environmental measurements.