
Mid-range Laser Rangefinder Modules
LRF125 / LRF126 / LRF127

Noptel
The compact, eye safe and highly integrated laser rangefinder module is utilized in various commercial applications including small but advanced handheld devices. The module is delivered without enclosure enabling OEM-users to embed the module into their own system or device.
REQUEST INFORANGE CAPABILITY
Mid-range modules represent compact and tiny laser rangefinder modules. They feature ranging capability of 3 - 5 km with 0.01 – 0.5 m precision.
FAST MEASUREMENT
With reduced measurement ranges the modules meet high continuous measurement rates up to 500 Hz.
COMPACT AND SAFE
These eye safe and light weight modules apply 905 nm / 1.5 μm wavelength. Laser Classification: Class 1, EN 60825-1:2014, IEC 60825-1:2014
SPECIFICATIONS
Performance Characteristics
Laser safety
Class 1, Eyesafe
Wavelength
905 nm
Ranging capability
Range selectable by gating feature
- LRF125
0 - 3000 m
- LRF126 / LRF 127
0 - 4500 m
Performance (SMM/CMM 10 Hz)
1750/1000 m, Target size 2.3 x 2,3 m, visibility 25 km, target reflectivity 30 %, detection probability 90%
Continuous Measurement Mode (CMM) rates
1, 4, 10, 20, 100, 200, 500 Hz, Range performance depends on applied rate
Precision
0.01 - 0.5 m, Depending on distance and object reflectivity
Beam divergence (HxV)
2.5 x 0.5 mrad, (HxV) = Horizontal x Vertical
False detection rate
< 1 %
Object discrimination
< 30 m, Depending on the received signal level. Up to three (3) targets: First, Second and Last
Range gating resolution
1
Operating temperature
-32 - +65 °C
Mechanical Characteristics
Size (L/W/H)
48 x 34 x 20
Weight
34 g (LF127: 36 g)
Alignment retention
± 0.4 mrad, Within operating temperature range
- LRF125 / LRF126
N/A
- LRF127
635 nm, Laser Class 1
IP Protection
N/A
Electrical Characteristics
Serial interface
UART 3.3 V, Connector type: Molex 53261-0871 Firmware update via serial interface
Start-up time
< 0.3 s, Measurement readiness from power-up
Supply voltage
3.3 - 5.4 V
- LRF125
< 1.3 W
- LRF126 / LRF127
< 1.8 W
Power consumption in stand-by mode
< 0.2 W, Unit can be completely shut down by external signal to further minimize power consumption