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LDM 40 A
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Product discontinued and replaced by
LDM 41 A
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Laser distance sensor
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| Application LDM 40A |
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- Supervision of crane and conveyors
- Distance and position measurement
- Supervision of security relevant parts
- Position control
- Diameter measurement of coils
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| Characteristics |
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- Long rangereflector-less distance measurement, with additional reflectors on the object over 100 m with additional reflectors mounted onto target
- High availability under in the high temperature area with high precision
- big supply voltage range 10 V until 30 V DC
- low and constant power consumption < 1.5 W (without IAlarm)
- simple alignment with a visible laser beam
- bi-directional data-interface, switching and analogue output
- Simple setup for parameter with a PC or Notebook
- Measured values are displayed in meters, decimetre, centimetre, feet, inch etc. due to free scaling
- Laser Class 2 under DIN EN 60825-1:2001-11
- stable and simple to installing housing with protection IP 65
- Profibus DP via UNIGATE Gateway
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Technical drawing LDM40A
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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
± 3 mm (+15 °C up to +30 °C), ± 5 mm (-10 °C up to +50 °C) |
| Resolution |
0.1 mm, user scalable |
| Reproducibility*4 |
0.5 mm |
| Measuring time |
0.16 up to 6 s or 0.1 s (10 Hz) 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 |
| Data interface *6 |
RS 232/RS 422; 2400, 4800, 9600, 19200, 38400 Baud, ASCII, 8N1;
programming with Windows terminal program (for example HyperTerminal)
programmable automatic start of measurement after switching on
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| Digital switching output |
"high-side switch", programmable switching threshold and hysteresis, rated for 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. 187 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 with 1.5 m cable one sidedly open, User Manual |
| *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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