JRT MB2D42U USB/TTL Laser Distance Sensor Module, 20Hz, 0.03–40m, ±2mm, 3.3V, Class 2, 45×25×12mm, 9g
JRT MB2D42U USB/TTL Laser Distance Sensor Module, 20Hz, 0.03–40m, ±2mm, 3.3V, Class 2, 45×25×12mm, 9g
JRT
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Overview
The JRT MB2D42U USB/TTL Laser Distance Sensor Module is a compact optical distance measuring module designed for integration into instruments and automation systems. It offers a 0.03~40 m measuring range at 20 Hz with ±2 mm accuracy and 1 mm resolution. The module uses a Class II laser (620~690 nm, <1 mW) and supports USB and UART TTL interfaces for easy setup and continuous measurement. Model variants and identifiers include MB2D42U and MB2D42-USB-231117 (manufacturing date code: 231117). Brand: JRT.
Key Features
- Measuring range: 0.03~40 m; frequency: 20 Hz; continuous measurement supported
- Measurement accuracy: ±2 mm; resolution: 1 mm; measuring time: 0.04~4 s
- Laser Class II, 620~690 nm, <1 mW output
- Interfaces: USB and UART TTL (digital USB sensor output)
- Supply: DC2.0~3.3 V (rated 3.3 V); supply current: 100 mA
- Compact: 45×25×12 mm; lightweight: 9 g
- Operating temperature: 0~40 ℃; storage temperature: -25~60 ℃
- Certificates: CE, RoHS, FCC
- Notes: In strong ambient light or poor target reflectivity, error may increase (±1 mm ± 50 PPM). Use a reflection board when needed. Extended operating temperature (-10~50 ℃) and analog options can be customized by the manufacturer.
Specifications
| Brand Name | JRT |
| Series | MB2D42 |
| Model | MB2D42U |
| Model Number | MB2D42-USB-231117 |
| Manufacturing Date Code | 231117 |
| Measuring Range | 0.03~40 m |
| Measurement Accuracy | ±2 mm |
| Resolution | 1 mm |
| Measuring Time | 0.04~4 s |
| Frequency | 20 Hz |
| Continuous Measurement | YES |
| Laser Class | Class II |
| Laser Type | 620~690 nm, <1 mW |
| Interface / Output | USB / TTL UART (Digital USB Sensor) |
| Voltage - Supply | DC2.0~3.3 V (rated 3.3 V) |
| Current - Supply (Max) | 100 mA |
| Size / Dimension | 45×25×12 mm |
| Weight | 9 g |
| Operating Temperature | 0~40 ℃ |
| Storage Temperature | -25~60 ℃ |
| Place of Origin | Sichuan, China |
| Application | Distance Sensor for Moving Detection |
| Mounting Type | UART TTL, distance meter measuring optic module |
| Cross Reference | M88B |
| Power - Max | less than 1 mW |
| Theory | Optical Sensor |
Debugging and Testing
- Use JRT serial port test software for quick evaluation (USB communication converter and cables required).
- Steps: open the test software; select the correct port; set the correct baud rate; open the port; click Measure for single measurement; click ConMeasure for continuous measurement; use StopMeasure to exit.
- Parsed real-time distance records are shown in the data record panel.
- RS485 to USB debugger is sold separately.
Applications
- Moving detection and distance measurement in instruments and embedded systems
- USB/TTL integration for electronic DIY projects and automation
- Optical measuring modules requiring compact size and low power
Details
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JRT MB2D42U USB/TTL Laser Distance Sensor with serial port interface and computer connection.
Distance Detection, Running Fix, Material Level Measurement, Workpiece Size Measurement, Crane Collision Avoidance, Type Change Monitoring.
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