The NTLR-RLDE-E5 is a high-precision, compact red laser distance measurement module engineered for integration into a wide range of industrial and commercial applications. Leveraging advanced laser technology, it delivers fast, accurate, and reliable non-contact distance measurements.
Key Features & Benefits:
High Accuracy & Long Range: Achieves measurement accuracy of ±3mm±100ppm×D over a range of up to 100 meters, ensuring reliable performance for demanding tasks.
Fast Measurement Speed: Provides rapid results with a typical measurement time of 0.5 seconds, enhancing operational efficiency.
Compact & Robust Design: With dimensions of only 32.8(L)×23(W)×13.5(H) mm, its small form factor makes it ideal for integration into space-constrained devices.
Low Power Consumption: Consumes <70mA in standby and features a low peak current (<200mA), perfect for battery-powered portable equipment.
Class 2 Laser Safety: Compliant with international laser safety standards (IEC 60825-1), ensuring safe operation.
Simple Serial Interface: Communicates via a straightforward UART protocol (9600 bps), allowing for easy integration with microcontrollers and systems.
Stable Performance: Excellent temperature drift characteristics (≤5mm across 0°C to 40°C) guarantee consistent results in varying environments.
Typical Applications:
Industrial Rangefinders
Robotics & AGV Navigation
Unmanned Aerial Vehicles (UAVs)
Construction & Surveying Instruments
Security & Monitoring Systems
Smart Automation Equipment
WhatsApp: +43 67844091116
Tel: +86 18608017948(WeChat)
E-mail: marketing@newtron-tech.com
Product Description
Core Specifications
NTLR-RLDE-E5 | |
Wavelength | 650nm±20nm |
Measuring Range | 100m (based on the front end face) |
Accuracy (at room temperature) | ±3mm±100-6×D (D is the measuring distance in mm; tested with Kodak whiteboard, illuminance <500lux) |
Communication Interface | Serial Communication Protocol |
Baud Rate | 9600bps |
Supply Voltage (DC, V) | 3.3V ± 0.05V DC (ripple <20mV required) |
Power Consumption(W) | <70mA (laser on, standby state); Peak current for distance measurement: <200mA (@3.3V) |
Laser Emission Power(W) | 0.45mW ~ 0.95mW; Complies with Class 2 laser safety standards |
Dimensions(mm) | 32.8(L)*23(W)*13.5(H)mm |
Measurement Time | Typical value: 0.5s (tested on a white wall at 3 meters, illuminance < 500lux), Maximum value: 3.5s |
Temperature Drift (compared with its own normal temperature data) | Place a target at 10m, measure the distance as D1 when the module ambient temperature is 25℃, and measure the distance of the same target as D2 when the module ambient temperature is any value between 0~40℃;|D2-D1|≤5mm) |
Interface Definition
Pin No. | Function | Pin No. | Function | ||
PIN 1 | 3.3V | PIN 11 | IO5 | ||
PIN 2 | 3.3V | PIN 12 | IO6 | ||
PIN 3 | 3.3V | PIN 13 | TX | ||
PIN 4 | GND | PIN 14 | RX | ||
PIN 5 | GND | PIN 15 | IO7 | ||
PIN 6 | GND | PIN 16 | IO8 | ||
PIN 7 | IO1 | PIN 17 | IO9 | ||
PIN 8 | IO2 | PIN 18 | IO10 | ||
PIN 9 | IO3 | PIN 19 | IO11 | ||
PIN 10 | IO4 | PIN 20 | IO12 | ||
Communication Protocol
Parameter | Specification |
Baud Rate | 9600 |
Data Bits | 8 bits |
Stop Bits | 1 bit |
Parity Bit | None |
Flow Control | None |
Turn on the Laser
l External Transmission:
l Normal Response:
l Error Response: <0Ezzz> (zzz is a 3-digit number representing the error code)
Turn off the Laser
l External Transmission:
l Normal Response:
l Error Response: <0Ezzz> (zzz is a 3-digit number representing the error code)
Additive Constant Reading
l External Transmission:
l Distance Meter Response:
l Error Response:
Additive Constant Setting
l External Transmission:
l Distance Meter Response:
l Error Response:
Example of Additive Constant Setting: If there is a deviation between the movement test data and the actual distance, reduce the overall movement measurement data by 5mm.
1. Send
2. Send
Measurement Command
l External Transmission:
l Distance Meter Response:
l Error Response: <0Ezzz> (zzz is a 3-digit number representing the error code)
Error Type | Error Code |
Weak Signal | <0E001> |
Out of Range | <0E002> |
Too Strong Signal | <0E003> |
LD Error | <0E004> |
Strong Background Light | <0E005> |
Hardware Error | <0E006> |
Other Unknown Errors | <0E009> |
Structural Dimensions



