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PART NO: 860029-001
Last Revised 01/06/15
The 15N sensor used over the specified ±0.009” measuring range provides a d/s ratio of 3.08.
The ratio for the 20N is 10.68. Therefore, if mounting space and target size permit, the 20N
offers better performance over the specified measuring range.
For either sensor model, performance can be improved by decreasing the one variable, the
measuring range. Significant reduction can provide a d/s ratio up to 35. This effectively lowers
the noise floor and improves resolution, linearity, and thermal stability.
The temperature of the mounting surface and the environment for the electronics should not
exceed the specified –20
o
C to 60
o
C (-4
o
F to +140
o
F). For optimum performance, stabilize the
temperature for the mounting surface/electronics at a constant temperature within this range,
preferably 25
o
C.
4.0 APPLICATION INFORMATION
For differential measurement applications, the two electronically matched sensors are
positioned on opposite sides or ends of the target (Figure 3). The sensor to target relationship
is such that as the target moves away from one sensor, it moves toward the other an equal
amount.
Figure 3 Differential Target Configurations
A standard system comes with two measurement axes (four sensors – two per axis) and can
therefore be fixtured a number of ways to provide precise x-y alignment. Figure 4 illustrates
target configuration for x-y alignment of an image stabilization mirror for an electro-optical
application.
DO NOT MAKE ANY MODIFICATIONS TO CABLE LENGTH, SENSOR OR
CALIBRATED TARGET MATERIALS WITHOUT CONSULTATING A
KAMAN APPLICATION ENGINEER
