LIF Exposed Linear Scale

LIF

A phase grating on glass with a grating period of 8 µm, manufactured in the DIADUR process, serves as measuring standard for LIF incremental linear encoders.

	LIF 101	LIF 121	LIF 181
Measuring standard	DIADUR phase grating on glass
Output signals	11 µA_PP	TTL	1 V_PP
Signal periods	4 µm	2 µm	4 µm
Accuracy grades	± 3 µm
Recommended measuring steps	1 µm to 0.1 µm	To 0.5 µm	1 µm to 0.1 µm
Measuring lengths ML	70 to 3040 mm
Reference mark	One at midpoint of measuring length or distance-coded

LIF 101, LIF 121, LIF 181

Heidenhain Exposed Linear Scale

LIF 101: 11 µA_PP LIF 121: TTL LIF 181: 1 V_PP

The scales of LIF linear encoders are fixed with HEIDENHAIN PRECIMET^® elastic adhesive film directly onto the mounting surface. This adhesive film ensures a defined thermal behavior and is resistant to solvents. The mounting procedure is quite fast thanks to its simplicity and to relatively large mounting tolerances.



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