Sample Automtaion/Sensing Solution
Automation/Sensing Products
● Fiber Optic Sensors (FS Series)
● Photoelectric Sensors (PX Series)
Our heavy-duty photoelectric sensor is engineered to be oil-resistant, shock-resistant, rinsable, and water-proof. Whether it is blasting through dust, dirt, water, or oil or working form an incredible range, the PX’s industry-best durability and power enable it to solve the applications that standard photoelectric sensors find impossible.
 Positioning of cars in final assembly line. Sensor used: PX-H72G. |
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 Checking passage of engine block. Sensor used: PX-H61G. |
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 Checking the seating of workpieces for an NC processor. Sensor used: PX- H71G. |
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 Checking the passage of cars on a conveyer. Sensor used: PX-H72G. |
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 Checking products passage in a rinsing process. Sensor used: PX-H71TZ |
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 Detecting the level of contents in a hopper. Sensor used: PX-H72 |
● Laser Displacement Sensors (LK Series)
Our ultra-high speed, high accuracy, and long range LK series offers customers a wide variety of sensor heads to solve their measurement applications. For example, our wide beam spot sensor head can easily solve measurement applications on rough surfaces. While our small beam spot sensor head, offers unbeatable accuracy and robustness.
Wide Spot Type: Reliable Measurement of Rough Surfaces
Rough Surface Induced Diffused Reflections are Not A Problem
Wide Spot Type Applications
| Measuring the Thickness of a Fresh Noodle |
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Positioning of a Liquid Crystal Substrate |
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Measuring the Displacement of an Engine Valve |

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| Measuring the Warpage of a PCB |
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Measuring the Thickness of a Glass Plate |
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Small Spot Type: Optimal for Profile Measurements
Ultra-small spot of 1.17 Mil (30 µm) detects minute targets reliably.
Small Spot Type Applications
| Measuring the Runout of a Light-sensitive Roll |
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Measuring the Swell of Liquid Crystal Glass |
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Measuring the Profile of an IC Plastic Mold |

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| Measuring Variation in Connector Lead Height |
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Measuring the Profile of a Metal Mold |
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● Safety Light Curtain (SL Series)
Keyence’s SLC Series Safety Light Curtains can be used to stop machines when the curtain is violated. However, they can easily be configured for more challenging applications when they can be timed or blanked to maintain their efficacy.
Conventional Type 4 Area Sensor
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Work Flow |
 When bringing in workpieces (timing) |
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 When discharging workpieces |
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Floating Blanking: Prevents the machine from stopping when obstacles move
into the detection zone
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Production |
 Safety measures for the outlet of molding machines |

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 Safety measures for the inlet where materials enter |
Fixed Blanking: Enables the machine to operate with fixed obstacles in the detection zone
| Shipping |
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Inventory |
 Detects the passage of parcels |
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 Detects the passage of parts |
Vision & Marking Products
● Machine Vision (CV Series)
Our ultra-high speed, high-accuracy machine vision systems are used by our customers to perform product inspections that are too complicated to be performed by ordinary sensors. Keyence customers in a variety of industries typically use the CV Series to accurately determine presence/absence, or perform high speed part identification, defect inspection, positioning, or counting based upon a wide-variety of criteria.
| Part Identification |
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Defect Inspection |
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Presence/Absence Detection |
 Differentiation of the buttons on a mobile phone |
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 Inspection of burnt marks/short-circuit of connector resin |
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 Detecting defective pin plating |
| Dimension Measurement |
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Positioning |
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Counting |
 Measuring the notch position of a gear |
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 Position control of a robot |
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 Check correct seating of parts for die protection |
● Laser Marker (ML Series)
Keyence’s CO2 Laser Markers provide our customers with tremendously stable and non-erasable marking. Our customers can use the ML’s industry-best power and speed to reliably mark as many as 600 characters or barcodes per second on a tremendous variety of surfaces.
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Electronic Part |
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Lead Frame |
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Electronic Part |

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| Printed Circuit Board |
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CD-R |
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Cut Wire Sheath |
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Videotape |

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| Resin Case |
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Wire Harness |
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Stainless Steel |
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Shifter |

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| Glass Bottle |
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Cosmetics |
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Ice Cream |
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Pet Bottle |

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● Laser Marker (MD Series)
Our YAG Laser Marker is ideal for marking a variety of products in production environments. The MD Series’ unique engineering allows intense marking that is impervious to dust, dirt, and oil mist.
Applications
| Saw Blade |
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Scissors |
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Drill |

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| Pliers |
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Light Bulb |
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Stainless-steel Component |

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| Bearing |
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Water Faucet Bracket |
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Joint |

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Advanced Microscopes
● Digital Microscope (VHX Series)
Keyence’s digital microscope offers unbeatable inspection that is recordable and sharable without destroying the target. No other microscope on the market offers immediate digital enhancement to increase depth of field or find optimal contrast.
Applications: Electric and Electronics Industries
| LCD (800x) |
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Chemical (Liquid agent) (500x) |

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| Non-woven fabric (150x) |
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Glass fiber (200x) |

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● Laser Microscope (VK Series)
Keyence’s new laser microscope approaches the kind of high-accuracy 3D measurement that has previously been available only from high-cost SEM microscopes. Not only do we offer high-accuracy measurement at a lower cost, our VK series performs its analysis in a fraction of the time and without destroying the target.
Applications: 3D Laser Scanning Microscope Applications
Analysis Examples
| Semiconductor / Electronic parts |
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 Roughness measurement of rear face of silicon wafer (1000x) |
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 Height, width and cross-section measurements of patterns on electronic devices (1000x) |
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