Laser MLC Laser Triangulation Meters for Precise Laser Measurement

MLC Laser Triangulation Measurement Meters

Model MLC
Laser Triangulation Measurement Meter

MLC Laser Triangulation Measurement Sensors

Laser Triangulation & CCD array technique with digital signal processing

Non-Contact Measurement of Distance, Displacement, Thickness & Difference
Works on almost any surface
High Temperature version is available for Target Surface temperature of 900°C (1652°F)
Measurement ranges: 16 - 1100 mm. (0.6 - 43.3 in.)
Resolution: 0.0008 mm to 0.5 mm
Measurement frequency of 2000 Hz, 5000 Hz or 10000 Hz
Robust Design
Serial & Analog Outputs
Synchronized thickness measurement with two sensors
Secondary Environmental Enclosure are available including Air Purged, Air Cooled and Water Cooled with Air Purging

Typical Applications
Liquid Level Control Distance measurement Thickness Measurement Weight/Volume Control Constant Tension Control Roll Diameter	Profile Measurement Control of vacuum in containers Measurements for feedback in productions lines Measurements for quality control and statistics Vibration Monitoring of a Rotating Object *Molten Metal Level*

General Description

The MLC Laser Triangulation Meter (LTM) is a compact unit with integrated optics and signal processor for precise measurement of distance or product thickness and width. A focused laser spot is illuminated on the object and the image distance determined by internal CCD array. LED’s indicate when the object is at center or is outside measuring range. Installation software is provided for connection to a PC and to display measured values. Measurement of data is via RS232 and analog outputs.
All standard MLC models operate at a measuring frequency of 2000 measurements per second. All standard MLC models operate at a serial output update frequency of either 1000 or 2000 measurement points per second.

All standard MLC models have a programming/select functionality. Group mode is the main feature. In Group Mode a running average is calculated over a user specified number of measuring points. The user also programs the sensor to disregard a number of, usually all, bad (zero) measuring points before calculating the average value. The average values are calculated at full measuring frequency and are used for converting the analog signals. Several median filters and Level Mode are other available features.

Two identical MLC LTM’s when connected together automatically provide change in thickness, width or difference values. The MLC standard models operate at a 2kHz measuring frequency and at a 1kHz or 2kHz update frequency, and have a serial interface baud rate of 38400 or 115200. Optional -S5 models operate at a 5KHz measuring frequency and at a 1kHz, 2½kHz or 5kHz update frequency ,and have a serial interface baud rate of 38400,115200 or 230400. Optional -S10 models operate at a 10kHz measuring frequency and at a 1KHz, 2½ kHz, 5kHz or 10kHz update frequency, and have a serial interface baud rate of 38400, 115200, 230400 or 460800. To use the baud rates of 230400 and 460800 the -R4 RS422/RS485 serial interface option is required.

These LTM’s have a broad range of usage for measurement off surfaces where other devices fail. Ideal for measuring off wood, plastic, glass, rubber, paper, foam, textiles, food product, cold, hot or molten metals as well as various liquids.

Performance Information

MLC Models

Model	MLC200	MLC250	MLC450	MLC750
Measured range (mm)	100 - 300	100 - 400	200 - 700	400 - 1100
Center distance (mm)	200	250	450	750
Resolution	0.05 mm	0.08 mm	0.1mm	0.5 mm
Reproducibility	±0.05 mm	±0.08 mm	±0.1mm	±0.5 mm
Linearity (of Full Scale)	±0.1%	±0.1%	±0.05%	±0.1%
Select-1 Option	Included	Included	Included	Included
Select-2 Option	Available	Available	Available	Available
-HT Option	Available	Available	Available	Available
Size of Spot	Ø 2 mm	Ø 2 mm	Ø 2 mm	Ø 4 mm