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PARADOX
A seemingly contradictory statement
that may nonetheless be true.

Sentinel 1
This a versatile multifunction 'energy change' sensing device.
Unlike EMF meters Sentinel 1 does not detect the usual combined electromagnetic field.
Sentinel 1 shows changes of energy level, both '+' & '-' through a LED display and via an adjustable audio tone

The standard unit is equipped with an electric field sensor, a magnetic field sensor and an auxiliary input for connection to external (approved) external sensors.

It has various adjustable levels of sensitivity to suit a location and the selected sensor.
It can be used for a base line tests during a walk-around of a location, but is most suited as a stationary monitor during a vigil.




SENSITIVITY

  Pre-amp switch - Low Pre-amp switch - High (x10)

Variable sensitivity
control
setting

Full scale deflection
( led -4 to led +4)

   
1
2
3
4
5
6
7
8
9
10

31mV = 0.031V
27mV = 0.027V
23mV = 0.023V
19mV = 0.019V
16mV = 0.016V
13mV = 0.013V
11mV = 0.011V
10mV = 0.010V
. 9mV = 0.009V
. 7mV = 0.007V

  I am unable calibrate this range accurately as my digital meters are sensitive to only 1 millivolt. In this setting the meter is now 10 times more sensitive.
     

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In my view detecting minute changes in electric fields has more relevance in detecting evidence of paranormal activity than using an EMF meter.
EMF meters predominantly detect mains generated electromagnetic fields.


 

E-mail Paul Rowland for further information.
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