Manual

Table of Figures
Figure 1: Electric Field Mill at Ground Level ................................................... 3
Figure 2: Intensification of Electric Field ......................................................... 3
Figure 3: Field Mill Block Diagram .................................................................. 4
Figure 4: EFM-100 Connection Diagram ......................................................... 5
Figure 5: A poor choice of mounting locations ................................................ 8
Figure 6: An excellent choice of mounting locations ....................................... 8
Figure 7: EPM-1 Power Module Connectors .................................................... 9
Figure 8: EPM-1 Voltmeter Connections – Differential (Preferred
Connection) ...................................................................................................... 10
Figure 9: EPM-1 Voltmeter Connections – Single Ended .............................. 10
Figure 10: EFA-10 Fiber Optic Adapter .......................................................... 11
Figure 11: EFA-20 Fiber Optic Adapter .......................................................... 11
Figure 12: Female Fiber Optic Connector ...................................................... 12
Figure 13: Male Fiber Optic Connector .......................................................... 12
Figure 14: EFM-100 Field Mill Connections ................................................... 13
Figure 15: Sensitivity Plugs ............................................................................. 14
Figure 16: Correcting a Field Mill using a Reference Field Mill .................... 15
Figure 17: Field Mill Grounding Detail .......................................................... 17
Figure 18: EFM Options – General ................................................................. 19
Figure 19: EFM Options – High Field Alarm ................................................. 21
Figure 20: EFM Options – Very High Field Alarm ........................................ 22
Figure 21: EFM Options – Lightning Alarm .................................................. 24
Figure 22: EFM Options - Delta Alarm ........................................................... 26
Figure 23: EFM Options – Data Logging ...................................................... 28
Figure 24: EFM Options – Data Sharing ........................................................ 29
Figure 25: EFM Options – Email & SMS Alerts ............................................ 30
Figure 26: Outgoing email server settings ....................................................... 31
Figure 27: SMS Modem Configuration ............................................................ 32
Figure 28: SMS Gateway Settings .................................................................... 32
Figure 29: EFM-100 Software Display ............................................................ 33
Figure 30: Approaching Thundercloud .......................................................... 35
Figure 31: Increasing Field due to Approaching Thundercloud .................... 35
Figure 32: Thundercloud Directly Overhead .................................................. 36
Figure 33: Electric Field Polarity Reversal ..................................................... 36
Figure 34: Departing Thundercloud ............................................................... 37
Figure 35: End of Storm Oscillation ............................................................... 37
Figure 36: Step Changes in Field Magnitude Indicate Lightning .................. 38
Figure 37: Precipitation Noise ........................................................................ 38
Figure 38: Field Mill Cleaning ......................................................................... 39