LRB 21K LRB 21K is a new addition to our line of long range bi-ocular rangefinders. The unit has a fully waterproof modern housing with bright-lit multi-line LED display. This model offers the widest range of capabilities, surpassing even our acclaimed LRB 25000 with an impressive set of add-on features that include precise 3-axis compass and embedded GPS receiver to enable instant calculation of target distance, azimuth, elevation and coordinates, thereby allowing for a more precise target triangulation. The binocular operates with a Class 1 eye-safe 1540 nanometer laser; measurement result is displayed through the eyepiece and can be transferred for processing via computer port (RS232). This instrument has comprehensive digital display and variable range settings. Compact and lightweight, designed to withstand wide range of environmental conditions, this binocular is ideal for law enforcement, homeland security , marine navigation, highway and power-line construction, airborne altimetry and location, meteorology and a variety of other professional activities.
Features First/Last target selection High fog/smoke penetration Invisible to night vision devices
Specifications Laser type Wavelength Photo detector type Measuring range Accuracy Gating range Gating accuracy Laser beam divergence (at 80% of power level) Pulse repetition rate Dioptric adjustment Magnification Field of view Visual channel objective lens aperture GPS target coordinate 3-axis Digital compass Operating temperature range Protective filter against non eye-safe lasers Tripod socket ¼" Interface Power supply Dimensions Weight	Erbium Glass 1540 nm Ge avalanche 50-21,000 m ± 5 m 100-6000 100 m 1.0 mrad 2 Hz ± 4 8x 7° 43 mm V V -35°C … +50°C Optional Optional RS 232 DC 12V / NiCd battery 225x220x110 mm 2.2 kg
These specifications are preliminary - product availability Q3-Q4, 2011