Get the most advanced EMF app in the store Impress your friends or colleagues with this cutting edge technology. Convert your iPhone into a EMF Meter (electromagnetic field tester). By utilizing the internal compass hardware. You can view the raw data of the magnetic fields that are all around you on a digital display. *********************************** Record your findings with our new feature “Readings Log” In-app email- Send your readings while you continue to use this app. *********************************** Scientist, Teachers, Students, Engineers, Ghost Hunters, all use EMF Meter's for detecting magnetic fields of all types. Now iPhone 3G(S) & iPhone (4) owners can also FOR FREE! Why pay for something when you can get the same thing for free! With more features than our competition! Features: -Detect the strength of Magnetic force fields on all three axis’s (x,y,z) -Magnetic force is calculated in microteslas ( µ T ) -Record your readings with a time & date stamp of each event. -Pause Magnetic readings with the (Clock) button. To take a reading for an experiment. ------------------------------ Version 2.2 Added locations to the save log. This can be viewed in the log or a brand new map view. This feature was requested by geological survey group. -------------------------- Version 2.0 Settings are now available. - Auto sleep disable / enable - Reading calibration - Threshold for readings - Alarm for readings - Reading interval / timer With settings unlocked you have full control of sensor and data logging. ------------------------------- Instructions for the settings are included on the information view. IMPORTANT NOTE: The observed magnitude is the strength or size of the magnetic vector in microteslas ( µ T ). Please observe and respect the iPhone user manual and warranty if you intend to use your iPhone as a scientific device. We are not responsible for any damage that you or any other force of nature may cause to your device. Please leave a good review if you like this app. We love to hear from our customers. If you have any suggestions for improvement, use our link in the app store under customer support. Check us out at http://www.HamwayApps.net