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Orbit® LTM - Specification
Performance Specification LTM laser
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LTMD/2 |
LTMD/10/B |
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Best |
Typical |
Best
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Typical |
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Measurement Range |
mm |
2 |
10 |
Offset Distance (from
laser to start of
measurement range) |
mm |
24
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45
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Reference Distance
(from laser to centre of
measurement range) |
mm |
25
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50
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Spot size (diameter) |
µm |
30 |
25 |
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Linearity (1) |
±% FSO |
0.03 |
0.04 |
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Linearity (1) |
±μm |
0.6 |
4 |
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Max Sampling Frequency |
(kHz) |
40 |
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Repeatability (2)
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µm |
0.04 |
0.06 |
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Resolution |
µm |
0.24 |
0.3 |
Max Sampling
Frequency |
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40khz
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Output frequency |
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Up to 4khz (via Orbit®3 network) |
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Sampling cycles |
µs
ms |
256/512 us
or
1/2/4/8/16/32/64 ms
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Working Bandwidth
(eight options) |
Hz |
1300, 650, 325, 163, 81, 40, 20, 10, 5 |
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(1) Measured on white photographic paper with the laser sample rate at 4kHz and averaging 16 cycles
(2) Measured on white photographic paper with the laser sample rate at 4kHz and averaging 16 cycles, with the laser beam broken between readings
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Technical Specification
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Laser |
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Laser Power |
<5mW
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Laser Class (IEC 60825)
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3R
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Laser Wavelength
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670nm
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Laser Modes |
Diffuse or Specular
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Environmental |
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Sealing for Laser |
IP67 |
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Sealing for Laser Interface Electronics |
IP43 |
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Storage Temperature ( ºC) |
-20 to +70 |
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Operating Temperature (ºC) |
0 to 40 |
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Humidity Range |
10 to 95% Non condensing |
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Temperature Coefficient |
±0.05% to F.S./°C |
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EMC |
Emissions EN61000-6-3 |
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Immunity EN61000-6-2 |
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Power |
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Orbit®3 version |
5±0.25 VDC @ 0.09A and 24±2.5 VDC @ 0.06A typical |
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Orbit® ACS Version |
18 - 24 VDC @ 0.13A typical |
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Weight of Laser Head only (g) |
203 |
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Interface |
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Orbit® 3 Version |
Integrates with the Orbit® 3 network via the Orbit® 3 Support Pack
for Windows (for Microsoft .NET Framework), version 1.3.1.4 or above. - Available to download, free of charge, at
www.solartronmetrology.com |
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Method to configure laser |
Via the Orbit® 3 Library, included as part of the pack |
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Orbit® interfaces |
USB, Ethernet, RS232 |
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Orbit® Power Supplies |
Orbit® LT Power Supply Module, AC and DC versions available
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Orbit® ACS version |
Integrated into an Orbit® ACS module |
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Method to configure laser |
Via the integral display / keyboard or via the PC based configuration software. - Available to download, free of charge, at www.solartronmetrology.com
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See separate Orbit® 3 manual & Orbit® ACS datasheets for further product details
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 2mm and 10mm ranges
Up to +/- 0.03% F.S. Accuracy
Up to 0.24 μm resolution
40 khz sampling speed
Up to 4 khz output
Plugs into Orbit® 3, network up to 150 sensors
Also, intergrated with Orbit® ACS for standalone systems
USB, Ethernet, RS232, and Modbus outputs available
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Orbit® LTM
Solartron Metrology, the world leader in linear measurement innovation, has now added another high performance sensor to it’s line-up. Orbit® LTM is a Laser Triangulation unit for higher precision measurements, with 0.04% F.S. reading over 2 or 10mm measurement ranges. With the 2mm stroke, that means accuracy up to +/- 0.24 μm!
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Orbit® LTH - Specification
Performance Specification LTH laser
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LTHD/
25/2/B
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LTHD/
50/10/B |
LTHD/
50/20/B |
LTHD/
120/20/B |
LTHD/
120/40/B |
LTHD/
200/100/B |
LTHD/
300/200/B |
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Range (mm) |
2 |
10 |
20 |
20 |
40 |
100 |
200 |
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Offset (mm) Note 1 |
25 |
50 |
50 |
120 |
120 |
200 |
300 |
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Spot Size (Diameter µm) |
30 |
36 |
36 |
100 |
100 |
100 |
130 |
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Laser Angle (degrees) |
45 |
30 |
30 |
20 |
20 |
12 |
8 |
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Linearity (±% FSO) (Note 2) |
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Best (±% FSO) |
0.01 |
0.02 |
0.025 |
0.025 |
0.03 |
0.03 |
0.03 |
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Typical (±% FSO) |
0.02 |
0.04 |
0.045 |
0.06 |
0.05 |
0.04 |
0.04 |
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Best (+µm) |
0.2 |
2 |
5 |
5 |
12 |
30 |
60 |
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Typical (+µm) |
0.4 |
4 |
9 |
12 |
20 |
40 |
80 |
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Repeatability (μm) (Note 3) |
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Best |
0.1 |
0.2 |
0.4 |
0.5 |
1.0 |
3.0 |
7.0 |
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Typical |
0.2 |
0.4 |
0.8 |
1.0 |
2.0 |
6.0 |
15.0 |
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Resolution (μm) |
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(Note 4) |
0.0076 |
0.0381 |
0.0763 |
0.0763 |
0.1526 |
0.3815 |
0.7629 |
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(Note 5) |
0.02 |
0.05 |
0.23 |
0.23 |
0.80 |
2.00 |
4.00 |
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Laser |
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Modes (Note 7) |
Diffuse or Specular |
Diffuse only |
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Weight Head only (g) |
203 |
460 |
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Power mW / Class (IEC 60825) |
<5 / 3R |
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Wavelength nm |
670 |
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Performance |
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Max Sampling Frequency (kHz) |
40.00 |
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Orbit® Data Rate (Readings/sec) |
3906 |
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Sampling Cycles |
256/512 μS or 1/2/4/8/16/32/64 ms (Selectable) |
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Working Bandwidth Hz (Note 6) |
1300, 650, 325, 163, 81, 40, 20, 10 , 5 |
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Operating Temperature °C |
0 to +40 |
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Temperature Coefficient |
±0.05% of FSO/°C |
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Humidity |
10 to 95% non condensing |
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Emissions/Immunity |
EN61000-6-3 / EN61000-6-2 |
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Power Orbit® 3 |
5±0.25 VDC @ 0.09A and 24±2.5 VDC @ 0.06A typical |
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Power Orbit ACS |
18-24 VDC @ 0.13A typical |
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Interfaces |
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Orbit® 3 |
Interfaces to the Orbit®3 network via the Orbit Support Pack for Windows (for Microsoft
.Net Framework), USB, Ethernet and Serial Interface modules available |
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Orbit® ACS |
Integral Screen and Keypad, MODBUS or Serial Interfaces |
Note 1: Distance from the laser face to the middle point of the measuring range (mm)
Note 2: Measured on white photographic paper with the laser sample rate set to 4kHz and averaging 4 ms.
Note 3: Measured on white photographic paper with the laser sample rate set to 4 kHz and averaging 16 ms, the laser beam is
blocked between each measurement.
Note 4: Resolution 1 LSB of the Digital System
Note 5: Standard Deviation of 25 Measurements with the laser pointing at a fixed white photographic paper target with the laser
sample rate set to 4 kHz and averaging 16mS
Note 6: Real measurement bandwidth based on ability to reconstruct sine wave at filter frequency
Note 7: Specular Mode is recommended for high reflective (shiny) surfaces. ND filter required specify when ordering.
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2 mm to 200 mm measuring range
