KDU-1 rangefinder/goniometer

The KDU-1 rangefinder/goniometer is designed for ground target reconnaissance, correction of artillery and air firing from ground, air, ship control centers as well as for use in automated fire control systems.
System composition
- LDM-2 (1D39) laser rangefinder module
- SN-3 aiming system
- 1D26 TR tripod
- Periscope
- LGK-4M laser gyrocompass
- 1E77 synchronization unit (2 pcs.)
- 1E67M accumulator battery (2 pcs.)
- Accessory set
- Transport case including two flexible packs for carrying
- Operation manual
Specifications
Name of parameter | Value |
Measurement range at ±10 m accuracy, m | 50...9,000 |
Recognition range of “tank-sized” (frontal area) target, m, no less than | 4,500 |
Burst ranging, m, no less than | 4,000 |
Magnification | x7 |
Field of view | 6° |
Height of the periscope, mm | 250 |
Dioptric adjustment, diopters | ±4 |
Azimuth range, d.g. * | from +30-00 to –30-00 |
Elevation range, d.g. | from +3-00 to –3-00 |
Angular accuracy, d.g: | |
True azimuth | 0-04 |
Magnetic azimuth | 0-12 |
Elevation | 0-04 |
Directing point limiting error (GLONASS/GPS), seconds of arc, no more than | 1 |
Weight in standby position, kg, no more than | 14 |
* division of goniometer


