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  5. LE-05 Laser Extensometer

The Model LE-05 Laser Extensometer is a precision, wide range instrument specifically designed for accurate, non-contact measurement of strain on various materials under tensile or creep conditions.  The instrument is completely self-contained.  It is housed in a single, compact enclosure and uses the latest state-of-the-art laser diode technology for high performance, low maintenance operation.

The Model LE-05 includes a digital display, 4-button keypad, analog output, and an RS-232 computer interface, all of which are located on the rear panel.  Instrument operation can be local from rear panel or remote via the RS-232 interface.

Designed to handle a wide range of strain measurement applications, the Model LE-05 is extremely simple to operate.  It uses a unique scanning laser beam technique to measure elongation entirely from one side of the specimen.  This approach eliminates the need for a separate scan receiver unit mounted on the opposite side of the specimen.  However, for special applications requiring transmission around or through a specimen, alternative methods can be implemented.  In addition, a “high elongation” version of the Model LE-05 is also available for measuring the strain of elastomeric materials.

Specifications

Power Input 115 VAC ± 10%, 50/60 Hz (standard), 230 VAC ± 10%, 50/60 Hz (optional)
Size 15 in. x 7.1 in. x 4.5 in. deep
Weight 13 lbs/ 6 KG
Mounting Provisions ¼ – 20 holes (4) in base
Laser Source 670 nm Diode Laser
<1mW Maximum scanned output
CDRH Certified Class II Laser instrument
Scan Line Orientation Vertical
Scan Rate 100 scans / second
Unit System Selectable inch or mm
Target Distance Selectable, 10 inch nominal, 20 inch maximum
Selectable, 254 mm nominal, 508 mm maximum
Measurement Rate 0.3 to 5 inches
8 to 127 mm (consult ATS for other ranges)
Resolution 0.0001 in
0.001 mm
Non-linearity1 ±0.0004 inch
±0.01 mm
Repeatability1 ±0.0002 inch
±0.005 mm
Zero Suppression Reading can be zeroed anywhere within the full scale range of the instrument
Multiple Scan Averaging A moving window average is applied over a selectable number of scans to digitally filter the output readings.
Display 2 line 16 character / line LCD type display with LED backlighting
Analog Output Ranges 16 bit, selectable range, ± 10V full scale
0.1, 0.2, 0.5, 1.0, 2.0, 5.0 inch full scale
2.0, 5.0, 10, 20, 50, 100 mm full scale
RS-232 I/O Port Standard 3 wire type, selectable Baud rate (9600, 4800, 2400, 1200)
Options Consult ATS

 

1 Over optimum displacement range at calibrated target distance.
Note: Specifications measured at 25C, 50% relative humidity.

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