Panasonic LS-H201 Digital Coaxial Reflective Laser Sensor Head

Technical Overview

Amplifier-separated coaxial reflective laser sensor head with a 2mm spot, detecting opaque, translucent, and transparent objects up to 750mm. IP40 rated.

Key Features

Amplifier-separated type sensor head, compatible with Panasonic LS-500 series digital amplifiers.
Coaxial reflective sensing for stable detection of opaque, translucent, and transparent objects.
Class 1 red semiconductor laser diode (660nm wavelength, 2mW max output) for safe and accurate target detection.
Adjustable sensing range up to 750mm (e.g., 150mm H-SP, 300mm STD, 750mm HYPR modes).
Compact design with dimensions of W8 x H23 x D18 mm, ideal for space-constrained applications.
Approximate 2mm laser spot size at 300mm distance for pinpoint accuracy.
IP40 protection rating for use in controlled industrial environments.
Operates reliably in temperatures from -10°C to +55°C and humidity from 35% to 85% RH.
PBT enclosure with glass beam-emitting/receiving surfaces for durability.
Equipped with a 2m cable with a fixed connector for straightforward installation.

Technical Specification Matrix

Parameter	Value
Sensor Type	Amplifier-separated coaxial reflective laser sensor head
Series	LS-500
Sensing Range (H-SP mode)	150 mm
Sensing Range (FAST mode)	200 mm
Sensing Range (STD mode)	300 mm
Sensing Range (LONG mode)	450 mm
Sensing Range (U-LG mode)	600 mm
Sensing Range (HYPR mode)	750 mm
Output (via amplifier)	Digital (2 outputs), Analog (4-20mA optional)
Connection Method	Cable (2m with fixed connector)
Power Supply	12 to 24 VDC (by separate amplifier)
Response Time	Down to 60µs (with LS-500 series amplifier)
Protection Rating	IP40
Emitting Element Type	Red semiconductor laser diode
Laser Class	Class 1 [IEC / EN / JIS / GB / KS / FDA]
Peak Emission Wavelength	660 nm
Max. Output	2 mW
Laser Beam Spot Size	Ø2 mm (at 300 mm distance)
Enclosure Material	PBT
Lens Material	Glass
Operating Temperature Range	-10 to +55°C
Ambient Humidity	35 to 85 % RH (no dew condensation or icing)
Physical Weight (kg)	0.05
Dimensions L x W x H (cm)	1.8 x 0.8 x 2.3

Industrial Applications

1. High-Precision Small Object Detection on Automated Assembly Lines

The compact dimensions (W8 x H23 x D18 mm), precise 2mm laser spot, and ability to detect opaque, translucent, and transparent objects at up to 750mm sensing range make the LS-H201 ideal for verifying the presence and accurate positioning of miniature components in high-speed automated assembly. The Class 1 laser ensures operational safety in automated work cells.

Problem Solved

Ensures accurate placement and verification of small, diverse material components in confined assembly spaces, preventing manufacturing defects.

Small object detectionHigh-speed assemblyPrecision positioningClass 1 laser safetyCompact designTranslucent object detection

2. Level Monitoring of Fine Powders or Granules in Dispensing Systems

Utilizing its coaxial reflective sensing and adjustable sensing ranges up to 750mm, this sensor can precisely monitor the fill levels of fine powders or granules (which may exhibit varied reflective properties) within hoppers or dispensing containers. Its IP40 rating provides adequate protection against dust in typical industrial environments, ensuring consistent material dispensing.

Problem Solved

Provides accurate, non-contact level sensing for bulk materials, critical for maintaining consistent product formulation and preventing overflow or underfill.

Level monitoringBulk material handlingCoaxial reflective sensingAdjustable sensing rangeIP40 protectionPowder/granule detection

3. Edge Detection and Dimensional Checking in Quality Control

The LS-H201's 2mm laser spot and high accuracy across its multiple sensing ranges are perfectly suited for precise edge detection and dimensional verification of components on a production line. This allows for checking if parts meet specified dimensional tolerances or for precise alignment before robotic manipulation, operating reliably within typical factory temperatures of -10°C to +55°C.

Problem Solved

Facilitates stringent quality control by accurately measuring dimensions and detecting edges, reducing defective products and ensuring adherence to engineering specifications.

Dimensional measurementEdge detectionQuality controlRobotic guidancePrecision inspectionWide operating temperature