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LDM41 - LDM42
Laser Distance sensor |
The LDM41A and LDM42A are opto-electronic distance sensors for industrial application, like distance and position measurement without use of special reflectors. The target could be nearly any kind of natural surface.
The sensor works based on comparative phase measurement. It emits modulated Laser light which is diffusely reflected back from the target with a certain shift in phase to be compared with a reference signal. From the amount of phase shift, a required distance can then be determined with millimeter accuracy.
A visible red Laser beam enables easier sighting. The LDM42A is designed for fast measurement on white target.
Typical applications are:
* Measurement of distance and position
* Diameter measurement of rolls / coils
* Level measurement
* Position control
* Security application
* Observing and measurement for elevators
* Position measurement for cranes and conveyors
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 Millimeter precise measurement at various surfaces (LDM42A only for white surface). | | High availability under in the high temperature area with high precision. | | Risk less use because of laser class 2. | | Bi-directional data-interface, switching and analogue output. | | Measured values are displayed in meters, decimetre, centimetre, feet, inch etc. due to free scaling. | | Profibus DP via UNIGATE Gateway. |
| | Long range reflector-less distance measurement, with additional reflectors on the object over 100m with additional reflectors mounted onto target. | | Big supply voltage range 10 V until 30 V DC. | | Simple alignment with a visible laser class. | | Simple setup for parameter with a PC or laptop. | | Stable and simple to installing housing with protection IP 65. |
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1. Aditional cable connection 2, 5 and 10 m
2. Programming cable (PCCAB/LDM4xA)
3. Connection box (CBOX/LDM4xA)
4. Profibus Gateway (UNIGATE/LDM4xA)
5. Profibus Gateway Unigate with IP 65 casing (UNIGATECA/LDM40A)
6. Heat protection filter (HPF/LDM4xA)
7. PC-Software LDMTOOL (LDMTOOL)
Please contact us for prices.
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| Measuring range *1: |
0.2 m up to 50 m with natural surfaces, more than 100 m achievable, depending on target reflectance |
| Measuring accuracy*2: |
± 2 mm under defined measuring conditions *3;
else |
| Resolution: |
0.1 mm, user scalable |
| Reproducibility *4: |
0.5 mm |
| Measuring time: |
0.16 up to 6 s programable or auto in Mode DT
0.1 s in Mode DW on white surface
LDM42A: 20 ms in Mode DX on white surface |
| Laser Class: |
LK2 under DIN EN 60825-1:2001-11
(<1 mW, visible red) |
| Laser divergence *5: |
0.6 mrd |
| Operating temperature: |
-10 °C up to +50 °C |
| Storage temperature: |
-40 °C up to +70 °C |
| Supply voltage: |
10 V up to 30 V DC |
| Power consumption: |
approx. 1.5 W |
| Connections: |
RS 232/RS 422; 2400, 4800, 9600, 19200, 38400 Baud, ASCII, format 8N1; programmable mode, scaling, measure time; output of measure values, internal temperature and error codes |
| Digital switching output: |
"high-side switch", programmable switching threshold and hysteresis, max. load of 0.5 A |
| Analog output: |
4 mA to 20 mA current output; programmable distance range limits, load resistance < 500 Ohm |
| Enclosure: |
Aluminium |
| Dimensions: |
approx. 212 x 96 x 50 (L x W x H) in mm |
| Weight: |
approx. 850 g |
| Protection: |
IP 65 |
| Shock stability: |
10 g / 6 ms (DIN ISO 9022-3-31-01-1) |
| Mounting: |
100 x 85 in mm, 4 x M6 holes |
| Scope of delivery: |
Sensor, 2 m cable one sidedly open, User Manual, Testversion of LDMTool |
| *1 |
dependent on target reflectance, straylight influences and atmospheric conditions |
| *2 |
statistic spread 95 % |
| *3 |
for measurement at a planar white target surface, approx. 20 °C |
| *4 |
dependent on target reflectance, straylight influences and atmospheric conditions |
| *5 |
at 10 m distance the beam diameter is 6 mm, at a distance of 100 m it is 6 cm |
| *6 |
convertible, conversion to be carried out by certified personnel |
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| item |
Price |
Description |
In Cart |
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| Product(s) |
| LDM41A | €1199.00 | Laser Distance Sensors | | |
| LDM42A | €1349.00 | Laser Distance Sensors for fast measurement | | | | |
All mentioned prices are excluding VAT |
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