www.kamansensors.com
13
PART NO: 860029-001
Last Revised 01/06/15
7.3 Sensor mounting considerations:
The sensors must be securely clamped. Sensor dimensions are shown in Figures 7 & 8.
The target must not strike the sensor face. The system has a null gap and a specified full
measuring range. The difference between the null gap and measuring range is the offset
distance for the sensors. This offset is necessary both to optimize performance and to keep the
target from contacting and possibly damaging the coils in the sensor face.
The sensor coil is mounted at the face of both types of sensor. For purposes of mechanical
nulling, measure distance from the sensor face. (For electrical nulling, the most accurate
method, the null gap is referenced to the electrical centerline, which is one half of the coil depth
– ½D, Figure 9.)
If the face of the sensor and the target surface are not parallel (if the sensor centerline is not
perpendicular to the target) more than 2
o
to 3
o
, it will introduce error to the measurement.
15N
20N
Figure 9 Sensor Coil Dimensions
