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LM-Series

Product catalog summary

Overview
The LM-Series Laser-Interferometric Gauging Probes are precision instruments designed for tactile length measurements with nanometric precision over ranges of 20 mm and 50 mm. These probes feature a compact design with an 8h6 mm diameter clamp shaft, making them compatible with conventional measuring systems. The integrated miniature interferometer converts displacement into an optical interference signal, which is transmitted via fiber-optic cable to an evaluation unit, outputting a length value.

Technical Specifications

Measurement Range: 20 mm (LM 20), 50 mm (LM 50)
Resolution: 0.1 nm
Linearity: ≤ ± 2 nm
Clamp Shaft Diameter: 8h6 mm
Measuring Force: 0.5 to 1.5 N
Operating Temperature: 15°C to 30°C
Dimensions: Vary between models, with the gauging probe and evaluation unit having specific sizes
Mass: Gauging probe (370 g for LM 20, 420 g for LM 50), Evaluation unit (approx. 8 kg)
Interfaces: RS232C, USB, optional digital and analog signals
Cable Length: 3 m, extendable to 10 m
Line Voltage/Frequency: 100-240 VAC, 47-60 Hz
Laser Safety Class: 2M (EN 60825-1:2007), II (ANSI Z136.1)

Applications

Precision length gauging, especially for gauge block calibration
Calibration of various measuring tools and standards
Precision thickness measurement using dual probes

Major Performance Features

Ultrahigh precision and accuracy through laser-interferometric measurement
Stable HeNe laser as the metrological standard
Constant measuring force and excellent linearity
Fiber-optic cable coupling, resistant to electromagnetic fields
No thermal effects on measurements
Environmental influence correction on laser wavelength
Motor-driven measuring shaft with variable mounting orientation
Traceability to national standards
Data acquisition and display software available
Open interfaces for OEM software under Windows and Linux

Additional Information
SIOS Meßtechnik GmbH reserves the right to alter products and specifications without prior notice. Contact details and further information are available on their website.

Catalog excerpts

Laser-Interferometric Gauging Probe

Open the catalog to page 1

Design and Operation Series LM laser-interferometric gauging probes are precision length measuring instruments. These probes can make tactile measurements over ranges of 20 and 50 mm with nanometric precision. The compact design and 8h6 mm diameter clamp shaft of the gauging probes enable them to be used with conventional measuring systems. The integrated miniature interferometer converts the displacement of the motor-driven measuring shaft into an optical interference signal. This optical measuring signal, is transmitted through a fiber-optic cable to an optoelectronic supply and evaluation...

Open the catalog to page 2

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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