LRB 25000

This Long-Range Laser Rangefinders are class 1 Eye Safe devices utilizing 1550 nanometers laser technology. These models are easy to use and withstand the harshest environmental conditions.
The instrument has a comprehensive digital display and different range settings. A user can make First or Last target selection by pressing a button. The typical applications of these models are: topography and geodesy, military tasks, marine navigation, highway engineering, construction, airborne altimeters and locators, meteorology.

Specifications
Laser type	Erbium Glass, eye safe
Wavelength, mkm	1.54
Emission energy, mJ	5-8
Pulse duration at ½ width, ns	~30
Photo detector type	Ge avalanche
Measuring range, m	50-25,000
Accuracy, m	± 5
Gating range, m	60-4,000
Gating accuracy, m	20
Laser beam divergence , mrad	1.0 (80% of the energy)
Pulse repetition rate, Hz	0.2
Dioptric adjustment	± 4
Sight magnification, x	7.5
Field of view, °	5.5
Viewing channel objective lens aperture,mm	43
Operating temperature,°C	-30 … +60
Protective filter against 1.06nm lasers	Optional
Standard ¼" tripod thread	Optional
Output interface	RS 232
Power source	DC 12V or NiCad battery
Low battery indicator	Present
Dimensions, mm	220x200x90
Weight, kg	1.9

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