Boltek EFM-100 v.2 - Manual (Page 6)

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 ...................................................................... 25
Figure 23: EFM Options – Data Logging
.................................................................. 27
Figure 24: EFM Options – Data Sharing
................................................................... 28
Figure 25: EFM-100 Software Display
........................................................................ 29
Figure 26: Approaching Thundercloud ...................................................................... 31
Figure 27: Increasing Field due to Approaching Thundercloud
............................... 31
Figure 28: Thundercloud Directly Overhead
............................................................. 32
Figure 29: Electric Field Polarity Reversal
................................................................. 32
Figure 30: Departing Thundercloud
.......................................................................... 33
Figure 31: End of Storm Oscillation
........................................................................... 33
Figure 32: Step Changes in Field Magnitude Indicate Lightning
.............................. 34
Figure 33: Precipitation Noise
................................................................................... 34
Figure 34: Field Mill Cleaning
.................................................................................... 35