EFM-100 Hardware Specifications

Electric Field Range:                                                            -20 kV/m to +20 kV/m

Typical Range of Interest:                                                         -5 kV/m to +5 kV/m

Response Time:                                                                                 0.1 seconds 

Resolution:                                                                   Digital Output     0.01 kV/m
                                                                                   Analog Output          Infinite

Digital Data Cable:             50/125 Multi Mode Fiber Optic Cable with ST Connectors

Digital Data Format:                                                $<S><EE.EE>*<C><CR><LF>
                                                      S: sign '+' or '-'   C: checksum    E: electric field   
                                                                           CR: carriage return   LF: line feed
                                                                                            Example: $-02.34*3A 

RS232:                                                         9600 baud, 8 bits, 1 stop bit, no parity

Analog Data Output:                                                          Differential  1V per kV/m

DC Power Supply:                                                                 12-15 VDC,  0.5 Amp  

AC Power Supply:                                  120 VAC, 60Hz (220VAC 50 HZ in Europe)

Motor Type:                                                        Ball Bearing, Brushless DC Motor

Mount:                                                                             3/4" NPT Threaded Pipe
                                                                       (Note: 3/4" NPT measures 1" O.D.)

Dimensions:                                                       6.7" dia. x 5" (17 cm dia.x 13 cm)

Weight:                                                                                           2.2 lbs (1 kg)

Shipping Weight:                                                                           13 lbs (5.75 kg)

Shipping Dimensions:                                       18.5" x 13" x 8.8" (47 x 33 x 22 cm)

Warranty:                                                                                                  1 Year

EFM-100 Software Specifications

Operating System:                                    Microsoft Windows XP, 2000, NT, 98, 95 

Alarms:                                                         High Field, Very High Field, Lightning

High Field Alarm Range:                                                                    0 to 20 kV/m

Very High Field Alarm Range:                                                            0 to 20 kV/m

History Graph:             5 min, 15 min, 30 min, 1 hour, 2 hour, 4 hour, 8 hour, 24 hour
                                                                      Handles on the graph for zooming in.

Vertical Scales:                                                0.5 kV/m, 1 kV/m, 2 kV/m, 5kV/m,
                                                                  7.5 kV/m, 10 kV/m, 15 kV/m, 20kV/m
                                                                     Handles on the graph for zooming in.

EFM-100 Connection Diagram