ZH
ZH
The STA-LR1200M mini laser ranging module adopts a 905nm eye-safe semiconductor laser. It features long ranging distance, low power consumption, compact size, simple operation and strong adaptability. With a compact structure for easy integration, the module is suitable for various optoelectronic devices such as small UAV pods and handheld night vision equipment, meeting the requirements for miniaturized and low-power integration.
Max range:1200m
Ranging accuracy: ± 1m
Ranging frequency: Single-shot ranging,1Hz,2Hz
Weight:5g ±0.5g
LRF Module Key Features:
Semiconductor Laser Technology: Superior reliability, compactness and lower power consumption than traditional time-of-flight (TOF) rangefinders, enabling integration into portable and space-constrained devices.
Product performance index:
| Serial number | Project Name | STA-LR1200M |
| 1 | Human eye safety | Yes |
| 2 | Laser wavelength | 905nm |
| 3 | Laser divergence angle | 1×6mrad |
| 4 | Receiving field of view | ~20mrad |
| 5 | Transmitter Caliber | Φ7mm |
| 6 | Receiving caliber | Φ7mm |
| 7 | Ranging range | 5~1200m |
| 8 | Ranging accuracy | ±1m |
| 9 | Measuring frequency | Single-shot ranging,1Hz,2Hz |
| 10 | Baud rate | 115200bps (Default)/9600bps/38400bps/57600bps |
| 11 | Accuracy rate | ≥98% |
| 12 | False alarm rate | ≤1% |
| 13 | Data Interface | UART（TTL_3.3V） |
| 14 | Supply voltage | DC 3~5 V |
| 15 | Power consumption | Standby power ≤ 0.6W
Average ≤ 0.8W@1Hz Peak value ≤ 1.3W@1Hz |
| 16 | ||
| 17 | Starting peak current | ≤ 680mA |
| 18 | Leakage current | ＜ 50uA |
| 19 | Weights | 5±0.5g |
| 20 | Size（L×W×H） | ≤22.5mm×16mm×9.5mm |
| 21 | Operating temperature | -20~＋60℃ |
| 22 | Storage temperature | -30~＋60℃ |
| 23 | Shock | 1200g，1ms |
| 24 | Vibration | 5~50~5Hz, 1 octave/min, 2.5g |
| 25 | Reliability | MTBF≥1500h |
| 26 | Start-up time | ≤100ms； |
| 27 | Electrical interface | Connector plug: 0.8WTB-6Y-2
Connector socket: 0.8WTB-6AWB-01 |
Ranging 1500m,Data testing environment with visibility ≥ 25km and humidity ≤ 50%.
Structure installation interface:
The external dimensions of the mechanical and optical interfaces are shown in Figure 2.
Figure 2 Mechanical and optical interface diagram
Electrical interface:
Power supply voltage: 3.3V (can be biased to 3.3V~5V);
Communication type: UART-TTL (3.3V);
Peak starting current: ≤ 680mA;
Standby power consumption: ≤ 0.6W;
Average power consumption: ≤ 0.8W@1Hz ；
Peak power consumption for distance measurement: ≤ 1.35W@1Hz ；
Leakage current: ＜ 50uA;
Power on ranging response time: ≤ 100ms
The upper computer end achieves cross-linking testing with the distance measuring machine end 0.8WTB-6AWB-01 connector (Yueqing Huabao) through the 0.8WTB-6Y-2 connector. The definitions of the power supply and communication port pins for the rangefinder are shown in the table below.
Table 2 Definition of Product Electrical Pin
| Pin | Labeling | Electrical Characteristics Definition | Signal direction |
| 1 | Power-EN | ||
| 2 | TTL_RXD | Signal input port | Host computer to rangefinder |
| 3 | TTL_TXD | Signal output port | Rangefinder to host computer |
| 4 | NC | ||
| 5 | Power supply+ | ||
| 6 | GND |
Figure 3: 1 Pin
Electrical Connection Diagram
Range performance maximum
4500 m
Typical accuracy
±1 m
Weight
38 ± 0.5 g
Range performance maximum
120 m
Typical accuracy
±0.1 m
Range frequency
4 KHz
Range performance maximum
350 m
Typical accuracy
±0.1 m
Range frequency
200 Hz
Range performance maximum
1200 m
Typical accuracy
±1 m
Weight
14 ± 0.5 g
Range performance maximum
2000 m
Typical accuracy
±1 m
Weight
10 ± 0.5 g
Range performance maximum
1500 m
Typical accuracy
±1 m
Weight
10 ± 0.5 g
