LDM301A measures distances to targets up to 3000 m away with a precision down to the centimeter. It is able to detect the speed of moving objects with high accuracy. Operated without a reflector, the LDM301A convinces with a range of 300 m on almost each surface. In addition to the large working range, the LDM301A is characterized by very short measuring times down to 0.1 ms. The compact design of the device, the easy set-up and the standard interfaces RS422 or RS232 allow for easy installation and operation. The status of the device can be monitored via LED display during operation. The heating integrated in the device ensures reliable operation at temperatures as low as -40°C. The LDM301A offers the option to add a visor or additional interfaces, such as PROFIBUS DP.
| Measuring range |
0.5 ... 300 m on almost all natural surfaces,
up to 3 km with a target plate |
| Measurement uncertainty |
±20mm at 2 kHz measuring rate and 100 Hz output rate |
| Resolution |
1 mm |
| Measuring time |
0.5 ms (optional 0.1 ms) |
| Measuring range for velocity |
0 m/s ... 100 m/s (measuring time 0.1 s ... 0.5 s) |
| Measuring laser |
905 nm (infrared), laser class 1, EN 60825-1:2003-10 |
| Pilot Laser |
650 nm (visible red), laser class 2, ≤ 1 mW (on, off, flashing) |
| Operating temperature |
-40 °C ... +60 °C |
| Storage temperature |
-40 °C ... +70 °C |
| Supply voltage |
10 VDC ... 30 VDC |
| Power consumption |
5 W (operation without heating)
11.5 W (operation with heating at 24 V) |
| Interfaces |
RS 232 or RS 422, 1.2 kBaud ... 460.8 kBaud, ASCII, 8N1
Programming with Windows terminal program (e.g. LDMTool or Hyper Terminal)
Profibus DP (optional) |
| Switching outputs |
2 x "high side" switches, output current max. 0.2 A, permanently short-circuit-proof, adjustable window function |
| Analog output |
Programmable distance range limits, 4 mA ... 20 mA |
| Housing |
Aluminum anodized |
| Size (LxBxH) |
136 mm x 57 mm x 104 mm |
| Weight |
ca. 800 g |
| Protection class |
IP 67 |
| Shock resistance |
10 g / 6 ms persistence shock DIN ISO 9022-3-31-01-1 |
| MTTF |
13,000 hours (MIL HDBK 217 F N2) |
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