1. A053_e
Eddy current displacement sensors
eddyNCDT
Sheet-doubling detection in printing machines
The sensor is placed in the pull-mark device of a Technical details
printing machine, where it indirectly measures the - Measuring range: 0.4 to 1.6 mm or 0.8 to 2.8 mm
thickness of the paper sheet to be printed by way of a - Accuracy: 20 µm
movable measuring tag . The respective distance - Resolution: 2 µm or 4 µm
between sensor and measuring tag is a measure for - Band width: 0 - 500 Hz
the thickness of the paper sheet. This means that the
system can detect whether there is one or more Ambient conditions
sheets in the pull-mark device. - Temperature: 0 - 60 °C
- Medium: air
System configurationSeries DBS59
- DBS59.05 or DBS59.06
- displacement measuring system
- D2F - displacement sensor
Reasons for system selection
- Eddy-current systems also function in case of
pollution due to paper dust
- Sturdy sensors
- Linear output signal
- High thermal stability
Movable measuring tag
Probe tip
Paper
Table
Sensor
Paper
Paper
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