Product Description
LR400 Laser Displacement Sensor 160-400mm RS485 NPN PNP 0.1mm for Automation Position Height Thickness Detection
LR400 Laser Displacement Sensor 160-400mm RS485 NPN PNP 0.1mm for Automation Position Height Thickness Detection1.Note
Power Supply: 12–24V
Output Interface: RS-485 + NPN/PNP
Cable Length: 2 m
Model Parameters
LR400:
Measuring Range: 60–400 mm
Accuracy: 0.1–0.8 mm
TOF:
Measuring Range: 40–1000 mm
Accuracy: 1.5 mm
2. Parameters
Parameter | Value |
Model | RS485 + IO LR400 |
Sensing Range | 60–400 mm |
Differential Detection | 60–200mm: 0.5mm / 200–400mm: 1mm |
Display Resolution | 0.1 mm |
Linearity | ±0.2% F.S |
Repeat Accuracy | 60–100mm: 0.1mm / 100–250mm: 0.5mm / 250–400mm: 0.8mm |
Response Time | 1.5ms / 5ms / 15ms |
Laser Type | Red Semiconductor Laser, Class I (655±10nm) <1mW |
Power Supply | 12–24V DC ±10% |
Current Consumption | ≤50mA @ 24V |
Output Mode | RS485 + IO / NPN or PNP open collector |
Output Impedance | Max 300Ω |
Output Configuration | Normally Open / Normally Closed switchable |
Protection Features | Reverse polarity, surge, and short circuit protection |
Housing Material | Die-cast zinc |
Protection Grade | IP65 |
Operating Temperature | -10°C to +45°C (no condensation/freezing) |
Storage Temperature | -20°C to +60°C |
Operating Humidity | 35%–85% RH |
Ambient Light Resistance | ≤3000 Lux (incandescent light) |
Altitude Limit | Below 2000m |
Cable | PVC |
Weight | Approx. 85g |
3. Features
CMOS Triangulation for High Precision
Utilizes advanced laser triangulation and CMOS image sensing technology to deliver stable 0.1 mm repeatability and ±0.2% linearity for highly accurate measurement results.
Adaptive Light Control Algorithm
Automatically adjusts laser power, gain, and exposure time to ensure reliable detection on reflective, dark, or uneven surfaces.
Improved Detection on Low-Reflectivity Materials
Capable of detecting black rubber and other low-reflectivity targets below 10% reflectivity at up to twice the sensing distance compared to traditional models such as EZ-BG.
Reliable Detection on Reflective Metal Surfaces
Provides stable and accurate measurements even on glossy or angled metal objects, making it suitable for demanding industrial applications.
Compact Design for Easy Replacement
Designed with dimensions compatible with standard photoelectric sensors, allowing quick upgrades without mechanical modifications.
IP65 Protection with Integrated Control Buttons
Dustproof and splash-resistant housing with built-in operation buttons for convenient setup and parameter adjustment.
4. Applications
Ideal for precise positioning, height measurement, and thickness inspection in automated production systems.
Suitable for detecting black rubber, reflective metal parts, and inclined objects in various industrial environments.
5. FAQs
Q1: Can this sensor detect low-reflectivity materials such as black rubber?
A1: Yes, it is capable of detecting low-reflectivity targets below 10% reflectivity with excellent accuracy and extended sensing range.
Q2: Is it compatible with standard photoelectric sensor installations?
A2: Yes, it features the same form factor and mounting dimensions as standard photoelectric switches, allowing direct replacement without mechanical redesign.
Q3: What output modes are supported?
A3: The sensor supports RS485 communication as well as NPN/PNP IO outputs for flexible system integration.
About Prime Living
Prime Living is a Canadian online store offering a carefully selected range of quality products for home, automotive, tools, outdoor living, electronics and more.
We are committed to fast order processing, secure packaging and reliable tracked shipping to provide an excellent shopping experience.
Shipping policy
We carefully handle each order to ensure your package arrives quickly and safely. Please note that factors such as weather, postal traffic, or carrier performance may occasionally cause delays beyond our control.
We provide free shipping and dispatch all orders within 2 business days of payment, often sooner. All shipments are sent via international express air shipping, with a tracking number provided so you can follow your order every step of the way.
. Please provide a physical address, as we do not ship to P.O. Boxes.
Returns
Your satisfaction is important to us. Hexlight offers a 14-day Free return policy: if you are not fully satisfied with your purchase, you may request either a full refund or an exchange. All return shipping costs are fully covered by us.
Condition
Brand New
Shipping
This item is shipped directly from our supplier in China with tracking.







