Overview
The JRT BA6A 100m Bluetooth Digital Output Smart Measuring Laser Distance Sensor is a compact photoelectric optical sensor module designed for precise industrial distance measurement. It offers a measuring range of 0.03~100m with +/-3 mm accuracy, digital output, and support for multiple interfaces including TTL, USB, RS232, RS485, and Bluetooth (adapter options available). Continuous and single measurement modes are supported, with Class II laser safety and low power emission at 620~690 nm, <1 mW.
With a small 64*40*18mm footprint and 13g weight, the module integrates easily into automation, logistics, and engineering projects. Supply voltage is DC2.5~3.3V, with 3 Hz typical measurement frequency and 0.4~4 s measurement time. Test software is available to validate module operation via a USB communication converter. Custom options include analog output and extended operating temperature (-10~50 °C), plus additional distance versions (30m, 40m, 60m, 80m, 100m, 120m, 150m). Voltage adjustment via an LDO power converter is supported.
Key Features
- Measuring range: 0.03~100m; accuracy: +/-3 mm
- Class II laser, 620~690 nm, <1 mW
- Digital output with interface options: TTL, USB, RS232, RS485, Bluetooth
- Continuous measurement supported (3 Hz typical)
- Measurement time: 0.4~4 s
- Compact and lightweight: 64*40*18mm, 13g
- Supply voltage: DC2.5~3.3V
- Operating temperature 0~40 °C; storage temperature -25~60 °C
- JRT testing software available for serial/USB verification
- Customizable options: analog output, -10~50 °C operating range, multiple distance versions
Specifications
| Brand Name | JRT |
| Model | BA6A |
| Model Number | BA6A-100B-220809 |
| Type | Photoelectric Sensor |
| Theory | Optical sensor |
| Output | Digital sensor |
| Description | 100m laser distance sensor module with Bluetooth |
| Measurement range | 0.03~100m |
| Measuring Range | 0.03~100m |
| Measurement accuracy | +/-3mm |
| Accuracy | +/-3mm |
| Measurement unit | mm |
| Measurement time | 0.4~4s |
| Frequency | 3Hz |
| Laser class | Class II |
| Laser Class/Type | Class 2, 620~690nm, <1mW |
| Laser type | 620~690nm, <1mW |
| Size | 64*40*18mm |
| Weight | 13g |
| Voltage | DC2.5~3.3V |
| Operating Temperature | 0~40 °C |
| Working temperature | 0~40 °C |
| Storage temperature | -25~60 °C |
| Continuous Measurement | Yes |
| Electronic | Yes |
| DIY Supplies | Electrical |
| High-concerned chemical | None |
| Certification | CE, CE, ISO9001, ROHS, FCC |
| Place of Origin | Sichuan, China |
| Origin | Mainland China |
| Usage | Auto industrial measurement |
| Warranty | 1year |
Applications
- Industrial automation
- Warehousing and logistics
- Banking automation
- Forestry
- School management
- Construction engineering
Details


Laser ranging test steps: connect USB module, install JRT software, send test command via laptop interface.

JRT LR Control V1.0 interface displays serial port settings, laser module parameters, and distance measurements. Features include port configuration, baud rate selection, laser control, and real-time data output from Chengdu JRT Meter Technology Co., Ltd.

JRT BA6A Laser Distance Sensor applications: bank robot, construction, height measurement, harvesting, warehouse logistics, industrial automation.
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