Q1: What is a square bar LED light used for in machine vision?
A square bar LED light provides four-sided illumination for industrial inspection. It is suitable for IC chip OCR, fiducial mark detection, flat material inspection, and automated optical inspection.
Q2: Does the HLMD Series support bright field and dark field lighting?
Yes. The HLMD Series features adjustable lighting angles, allowing direct bright field and oblique dark field illumination for different inspection requirements.
Q3: Can the four LED bars be controlled independently?
Yes. The four LED bars support independent control, enabling flexible lighting configurations for machine vision applications.
Q4: What sizes are available for the HLMD Series?
The HLMD Series offers seven standard lighting area sizes, ranging from 40 × 40 mm to 386 × 386 mm.
Q5: How can glare be reduced when inspecting reflective surfaces?
An optional diffusion plate can be mounted in front of the LEDs to soften illumination and help reduce glare on reflective surfaces.
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Description
Product Description
HLMD Series 24V Square Bar LED Machine Vision Light
The ContrasTech HLMD Series Square Bar LED Lights feature four high-intensity LED bars for industrial machine vision and automated optical inspection (AOI). With adjustable illumination angles and independently controlled light bars, they support flexible bright field and dark field lighting for accurate inspection of flat surfaces and components.
Key Features
- Four-Sided LED Illumination: High-intensity LED bars arranged in a square configuration.
- Adjustable Lighting Angles: Supports direct bright field and oblique dark field inspection.
- Independent Control: Four individually controllable LED bars for flexible illumination.
- Multiple Sizes: Lighting areas from 40 × 40 mm to 386 × 386 mm.
- 24V DC Operation: Designed for industrial machine vision integration.
- Optional Diffusion Plate: Helps reduce glare on reflective surfaces.
Applications
IC Chip OCR | Fiducial Mark Detection | Large-Area Flat Material Inspection | Surface Defect Detection | Automated Optical Inspection (AOI)
Common Specifications
|
Model |
Light Area (mm) |
Outer Size L × W × H (mm) |
|---|---|---|
|
VT-LT2-HLMD4040 |
40 × 40 |
102 × 201 × 43 |
|
VT-LT2-HLMD8080 |
80 × 80 |
141 × 141 × 43 |
|
VT-LT2-HLMD9898 |
98 × 98 |
185.5 × 185.5 × 42 |
|
VT-LT2-HLMD119119 |
119 × 119 |
180 × 180 × 43 |
|
VT-LT2-HLMD218218 |
218 × 218 |
305.5 × 305.5 × 43 |
|
VT-LT2-HLMD290290 |
290 × 290 |
377.5 × 377.5 × 43 |
|
VT-LT2-HLMD386386 |
386 × 386 |
473.5 × 473.5 × 43 |
| Input voltage | 24 VDC |
| Connector | SMR-03V-B |
|
Wavelength range
|
Red: 620-630nm; Blue: 465-475nm; Green: 515-530nm; |
|
Color temperature(white)
|
6000-7500K
|
| Operating environment(indoor) | Temperature: 0~40℃ Humidity: 20% to 85% RH (with no condensation) |
| Life time | White:30,000hrs, Red: 60,000hrs (Depends on the operating environment, not a gurantee) |
|
Case material
|
Aluminum alloy, Resin |
Optional Accessory: Diffusion Plate
To be mounted in front of the LED lighting. Used to soften the lighting output, so as to reduce the glares on specular surface.
Illumination Structure
Emitting Color, IP Rating, cooling method, emitting surface length, etc customizable
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