Number Of Peaks - MICRO-EPSILON interferoMETER Operating Instructions Manual

Advanced Settings
7.2.6

Number of Peaks

Number of peaks of the FFT signal used for evaluation in distance and thickness measurement. The number of peaks
can be selected in the Settings > Data recording > Number of peaks menu.
This function is possible for the following systems:
- IMS5400-DS19/MP: max. 13 layers or 14 distance peaks
- IMS5400-TH45/MP: max. 5 layers
- IMS5400-TH70/MP: max. 5 layers
- IMS5600-DS19/MP: max. 13 layers or 14 distance peaks
Make sure to count the peaks in the correct manner, see
The standard systems IMS5400-DSxx, IMS5400-THxx and IMS5600-DSxx evaluate one layer.
i
If no distances need to be determined for a measurement,
Micro-Epsilon recommends using an IMS5400MP-THxx.
Example of one layer through glass and gap; measurement peak sorting: first
IMP-TH
BK7
Peak 3
Gap
0 20 40
Fig. 44 Measurement arrangement of two layers with corresponding material selection
The material selection for a thickness measurement starts with the thinnest layer (layer 1) independent of the physical
arrangement in the measuring object. The material selection for a distance measurement corresponds to the actual
physical arrangement in the measuring object.
1) During a distance measurement on transparent objects, thickness peaks are displayed in addition to the distance
peaks, but the controller does not evaluate them. For the sake of clarity, thickness peaks are marked with letters.
IMS5x00
Thickness
Peak 2
Peak 1
Range [%] 60 80
Chap. 7.2.5.
IMP-DS
SMR
Peak C
EMR
100 0 20
Distance
Peak 1
BK7
Peak 2
Gap
Peak 3
40 Range [%] 60
Peak B
1
Peak A
80 100
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