LTSD-4-2 Laser Rangefinder/Designator

The LTSD-4-2 Laser Rangefinder/Designator is designed for ground target reconnaissance, correction of artillery and air firing in daylight and at night including the use of high-accuracy ammunition fitted with laser homing heads when illuminating the stationary and moving targets, military equipment and offensive fortifications by a laser light from ground observation points. It may be also used in automated fire control systems.
System composition
- PP-20 transceiver
- BNV-3 night vision unit *
- Set for fastening PP on terrain
- 1E77 synchronization unit
- 1E67M accumulator battery (2 pcs.)
- LDM-2 laser rangefinder module
- Accessory set
- Transport case including two flexible packs for carrying
- Instruction manual
* on customer’s demand the unit is delivered using image intensifier or thermal imager .
Specifications
Name of parameter | Value |
Laser designation and recognition range, m, no less than: | |
tank-sized target in the daytime | 5,000...7,000 |
surface target | 5,000...15,000 |
tank-sized target at night: | |
night vision device | 1,000...3,000 |
thermal imager | 3,000...4,000 |
Measurement range at 5 m accuracy, m | 100...20,000 |
Boresight magnification | x10 |
Field of view | 5° |
Dioptric adjustment, diopters | ±5 |
Maximum duration of laser designation, s, no less than: | |
artillery mode | 15 |
air mode | 100 |
Azimuth range, d.g. * | +30-00...-30-00 |
Elevation range, d.g. | +3-00...-3-00 |
Angular accuracy, d.g., no more than: | |
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 | 15.9 |
* division of goniometer
The mark and the goniometer scales have illumination. The eyepieces use heating.
The weight of the LDM-2 module with the accumulator battery is 1.8 kg.


