Laser Optronix EG-LRF 20000, Technical Description And Instruction Manual

Page 1: ...EG LRF 20000 technical description and instruction manual ...

Page 2: ... can measure ranges from 60 to 20 000 m with an accuracy of 5 m The maximum range depends on a target size and shape as well as weather conditions and can exceed 20 000 m in case of good target visibility The solid state laser used in this EG LRF rangefinder is classified as 1 Class of laser hazard and its emission is eye safe for people being within the laser beam The EG LRF 20000 delivery set in...

Page 3: ...3 Fig 1 EG LRF 20000 rangefinder set 1 Carrying case 2 Rangefinder 3 Accumulator battery 1 3 2 ...

Page 4: ...mation on range 5 boresight eyepiece 6 digital display ocular 7 ON supply switch 8 external power supply and remote trigger plug 9 MIN RANGE minimum range gate handle 10 battery compartment lid 11 receiving and sighting channel objective 12 transmitting channel objective 1 2 3 4 5 6 7 8 9 10 11 12 ...

Page 5: ...he following items 1 Supply cable and cable to output information on range 2 Cloth to wipe optical surfaces 3 Silica gel to replace the wet one in the desiccator 2 5 Charger for accumulator batteries The AD 150 VD portable charger is designed to charge Ni Cd battery of 12 V voltage and capacity from 0 5 to 1 0 A h The charger is a stabilized DC source Technical characteristics of the AD 150 VD Mai...

Page 6: ...es the time between these two pulses and transforms it into the information on range 3 2 Design and operation The rangefinder block diagram is given in Fig 3 The rangefinder consists of the following main parts the transmitting 11 12 13 14 15 and receiving 9 8 7 4 channels the boresight 5 6 7 8 9 the display and control unit 3 The rangefinder optical configuration Fig 4 provides formation of a las...

Page 7: ...7 ...

Page 8: ...8 ...

Page 9: ...ge measurement to the last target within the rangefinder transmitter beam is carried out When operating in the C mode the value of minimum range is shown on the digital display By the MIN RANGE handle a necessary value of minimum range is set within 40 4500 m 3 2 1 Rangefinder operation in ranging mode mode switch in F or L position When the ON switch is switched on the storage capacitor is gettin...

Page 10: ...be changed from 40 m for the extreme counter clockwise position of the handle to 4500 m for the extreme clockwise position of the handle The accuracy of minimum range setting is 20 m When pressing the START button in the CONTROL mode the control range is measured to check the serviceability of the rangefinder timer In this case there is no laser pulse The START and STOP electrical pulses are forme...

Page 11: ... a target gated out by the minimum range setting 0 3 5 0 0 M indicator c Digital display readings when the rangefinder detects a signal reflected from an object behind the measured target d Digital display readings when there is no start signal at the photoreceiver input 0 0 0 0 0 e Digital display readings when there is no signal reflected from the target Fig 5 Display of ranging results and rang...

Page 12: ... of digital display LED indicators observed through eyepiece Multiple target 1 target displayed indica tion of more than 1 target registered Operating mode first last target Minimum range setting m 40 4500 Minimum range setting accuracy m 20 4 3 Sight Magnification 7 5 x Field of view 5 5 Objective diameter mm 43 Range of eyepiece dioptric setting 4 4 4 Power supply Built in battery NiCd 12 V 0 55...

Page 13: ...sed before the green ready indicator lights measurement will be made with a delay until the green indicator lights 6 if the M indicator multiple target lights carefully examine the target area through the sight eyepiece to identify other targets see Fig 6 For positive identification of all targets the arrangement for minimum range setting can be additionally used as explained in 5 3 7 if the C ind...

Page 14: ...range in the left eyepiece continuously rotating the MIN RANGE handle set a required value of minimum range set the MODE switch to the F position and measure the range to a target as explained in 5 2 Due to the fact that a portion of the transmitter beam is intercepted by objects in front of a target a signal from the target can be lower than the level of operation of the rangefinder receiver so w...

Page 15: ...00 Target 3500 m There is a target behind the displayed one 4200 m and a target within the gate 2200 m F 3550 4200 Target 4200 m There is a target within the gate 3500 m L 60 4200 Target 4200 m There is a missed target 3500 m L 2250 4200 Target 4200 m There is a missed target 3500 m and a target within the gate 2200 m Fig 6 Example of ranging with multiple targets ...

Page 16: ...ance duties preventive maintenance The necessary maintenance of the rangefinder includes execution of the following operations 1 in case of detection of damages faults or performance degradation inform the manufacturer 2 in case of contamination wipe the optical surfaces the housing the control handles of the rangefinder with the cloth from the Accessory set 3 if the silica gel colour changes from...

Page 17: ... carry out training of the energy storage capacitor of the head supply unit Carry out training in the following manner a shift the supply tumbler of the rangefinder to the ON position b after 10 15 s press and release the start button c repeat the operations according to the clause b until the green readiness indicator on the digital indicator display lights see Fig 5 after that the rangefinder is...

Page 18: ...the rangefinder to the computer by direct connection to the COM1 3F8h 9 pin port To operate the computer it is necessary connect the computer with the rangefinder by the cable to start the LRF EXE control program on the disk and switch on the rangefinder LRF EXE is the EG LRF rangefinder control program to provide communication of the rangefinder with the IBM PC having the WINDOWS XP operational s...

Page 19: ...___ Name of parameter Permissible values Actual values Maximum range m no less 10 000 Minimum range m no more 60 Minimum range setting m 40 4500 Time of rangefinder readiness for measurement s no more 6 The product conforms with the technical requirements and is fit for operation Supplier Laseroptronix Enhagsslingan 23 187 409 Täby Sweden ...