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  • Measuring light curtains are designed for dimensional measurement and object profiling, while safety light curtains are designed to protect personnel by stopping hazardous machinery when a person enters a dangerous area. They serve fundamentally different purposes. Key Differences FeatureMeasuring Light CurtainSafety Light Curtain Primary PurposeDimension measurement, position detection,...

  • Measuring light curtains are primarily classified by beam spacing (resolution), detection distance, and output type. The beam spacing determines the smallest object size the system can detect — the smaller the spacing, the higher the precision. Classification by Beam Spacing TypeBeam SpacingBest ForResolution High Precision2.5mmSmall parts, fine measurement~5mm object Standard Precision1...

  • A measuring light curtain is an array of parallel infrared light beams emitted from a transmitter to a receiver. When an object enters the beam field, the system instantly detects which beams are blocked and calculates the object's size, position, and profile with high precision. How It Works The system operates on a through-beam photoelectric principle. The emitter contains multiple inf...

  • DADISICK DK-QL measuring light curtains come factory-packaged with: 1 Receiver and 1 Emitter, mounting accessories, signal cables, and an M12 connector. All models include the necessary hardware for standard installation. Included Components ComponentQuantityDescription Emitter Unit1Infrared LED array with housing Receiver Unit1Phototransistor array with housing Signal Cable1 setShielded cab...

  • The maximum protection height across the DADISICK DK-QL measuring light curtain lineup is 2740mm (DK-QL138-20-2740 with 20mm beam spacing, 138 optical axes). The tallest 10mm spacing model is the DK-QL200-10-1990 at 1990mm with 200 optical axes. Maximum Heights by Beam Spacing Beam SpacingMax ModelOptical AxesMax Protection HeightDetection Distance 2.5mmDK-QL32-2.5-77.53277.5mm0.3-1M 10mmDK-...

  • Yes, you can interface DADISICK DK-QL measuring light curtains with Arduino or Raspberry Pi using the RS485 output. For Arduino, connect via an RS485-to-TTL module. For Raspberry Pi, use a USB-to-RS485 adapter. Both read measurement data through serial communication. Quick Start Steps 1Arduino: RS485 to TTLConnect MAX485 module: DI to TX, RO to RX, DE/RE to digital pin. Power from 5V. 2Raspbe...

  • Measuring light curtains serve a wide range of industries where non-contact dimensional measurement, position detection, and quality control are essential. DADISICK DK-QL series is deployed across 10+ major industrial sectors worldwide. Industry Applications IndustryCommon ApplicationRecommended DK-QL AutomotivePart inspection, assembly verificationDK-QL 10mm Series ElectronicsPCB measureme...

  • Regular maintenance of DADISICK DK-QL measuring light curtains involves cleaning the optical windows with a lint-free cloth and isopropyl alcohol, checking M12 connector integrity, verifying alignment, and performing weekly functional tests with reference objects. Maintenance Schedule DailyVisual check for dust, debris WeeklyClean optical surfaces MonthlyFull alignment check QuarterlyCable &...

  • You can purchase DADISICK measuring light curtains directly from our official website at dadisick.com, submit a customized inquiry through the inquiry form, or contact our sales team for bulk orders and distributor partnerships. Purchase Options ChannelBest ForHow To Order Official WebsiteStandard models, small quantitiesBrowse product page and submit inquiry Custom InquiryBulk orders, custo...

  • Choose by your control system: RS485 for networked multi-sensor systems, RS232 for direct PC connection, 4-20mA for PLC analog input modules, 1-10V for voltage-based controllers. DADISICK DK-QL supports all four in a single product line. Selection Matrix Your SystemRecommended OutputWhy PLC with analog inputs4-20mASimplest wiring, no protocol needed Multi-sensor factory networkRS485Multi-dro...

  • Follow this systematic approach: Check power LED, verify alignment, clean optics, inspect cables, test individual beams, and verify communication parameters. Most issues are resolved by cleaning or realignment. Troubleshooting Checklist 1Check PowerVerify the power LED on both emitter and receiver. DADISICK DK-QL units have visible status indicators. No LED = no power — check 24VDC supply and...

  • DADISICK DK-QL measuring light curtains offer two detection distance ranges depending on the beam spacing: 0.3-1 meter for high-precision 2.5mm spacing models, and 0.3-6 meters for standard 10mm and 20mm spacing models. Detection Distance by Model Model SeriesBeam SpacingDetection DistanceBest For DK-QL32-2.52.5mm0.3 - 1 meterClose-range precision measurement DK-QL Series (10mm)10mm0.3 - ...

  • A:Yes, DADISICK sensors support localization with multi-language interfaces, various voltage standards, and regional certifications.

  • A:Yes, DADISICK laser sensors are ideal for PCB inspection and precise measurement of small electronic components.

  • A:Proximity sensors are ideal for detecting metal targets, making them suitable for robotic positioning, automatic assembly, and metal part inspection.

  • A: DADISICK sensors are suitable for a wide range of equipment, including punching machines, packaging machines, robotic arms, conveyors, and automated assembly lines. They provide reliable safety and detection performance for various industrial automation systems.

  • A: Laser measurement sensors offer high precision, non-contact detection, and long-range measurement. They are ideal for positioning, dimension measurement, and automation inspection systems.

  • A: DADISICK sensors protect machines and operators by monitoring hazardous areas in real time. When danger is detected, they quickly send a signal to stop or trigger an alarm, ensuring reliable safety during operation.

  • A: A photoelectric sensor detects objects using light, making it suitable for non-metal detection. A proximity sensor detects objects through an electromagnetic field, making it ideal for metal detection and automation control.

  • A: A safety light curtain is an optoelectronic safety device that uses infrared beams to create a protective barrier. When the beams are interrupted, it sends a signal to stop the machine, preventing accidents and ensuring operator safety.

  • A: DADISICK products are widely applied across multiple sectors of industrial automation. Our safety sensors and measurement solutions are commonly used in automated production lines, robotics, packaging, automotive manufacturing, electronics, and warehouse logistics.

  • A: DADISICK's core products focus on industrial safety and precision detection technologies. Our main product range includes safety light curtains, safety relays, photoelectric sensors, proximity sensors, and laser displacement sensors.

  • A:When choosing a safety light curtain, you need to understand the requirements of mechanical use, such as detection height and detection length. Precision. Protected object, output mode, these should be based on the mechanical situation! For more information, please consult our pre-sale customer service.

  • A:The height position of a safety light curtain refers to the position of the light curtain relative to the upper and lower die openings on the machine. Under the premise of ensuring a safe distance, the lowest beam of the safety light curtain must not be higher than the lower edge of the die opening, and the highest beam must not be lower than the upper edge of the die opening.The protective heig...

  • A:I believe many friends are aware of the significant safety risks involved in operating a punch press. When carrying out punching operations, the operators need to have a strong awareness of safety and be familiar with the proper operation of the machine. However, despite these precautions, accidents related to hand injuries still occur in the stamping industry every year, highlighting the import...

  • A:A safety light curtain is an advanced optoelectronic protective device that can be used as a safety guard, infrared safety guard, or press protection device. It is suitable for potentially hazardous machinery such as stamping machines, forging machines, and automated equipment, which can pose a risk of personal injury. The installation of a safety light curtain can effectively protect personal s...

  • A:A safety door switch is a safety device used to monitor and control the status of a door in order to ensure workplace safety. It is also referred to as a safety door lock, safety switch, safety door lock switch, electromagnetic lock safety switch, etc. This article will introduce the function, types, and usage scenarios of safety door switches.The function of a safety door switch is to monitor t...

  • A:A multi-sided safety light curtain is a type of safety device that uses invisible beams, such as infrared or laser beams, to monitor whether there are people or objects entering a hazardous area. Its purpose is to protect personnel and equipment. Without such safety measures in place, people and equipment in hazardous areas may be at risk of serious injury or even death. Installing multi-sided s...

  • A:Measurement light curtains and safety light curtains are both made up of emitters that emit infrared light, which is then received by receivers to create a light curtain. Therefore, they are essentially the same in function, with the only difference being in terminology. Other terms used include detection gratings and detection light curtains.Measurement light curtains or measurement gratings ar...

  • A:The LDS2030B5-5S Series 2D TOF obstacle avoidance laser radar (2D Time of Flight Laser Radar) is a laser sensor based on the principle of time of flight, which is widely used in automatic navigation and obstacle avoidance systems.Advantages:High-precision rangingIt can achieve millimeter-level distance measurement with stable accuracy and is suitable for use in complex environments.Non-contact m...

  • A:An ultrasonic sensor is a sensor that uses ultrasonic waves for distance measurement or object detection. Its working principle involves emitting ultrasonic waves and receiving the echoes to calculate the distance between the target object and the ultrasonic sensor. The specific process is as follows:1. Emission: The sensor emits a high-frequency sound wave, usually ranging from 20kHz to 200kHz....

  • A:Punching machines have large inertia when running at high speed, and operators are very likely to suffer crushing accidents during loading, positioning, or adjusting workpieces. Traditional safety devices, such as limit switches, rely on human judgment and triggering and have problems such as slow response and limited protection range, making it difficult to effectively ensure personnel safety.D...

  • A:An inductive proximity switch is a type of sensor that utilizes the principle of electromagnetic induction for detection. Its working principle involves detecting the presence of an object by changing the inductance value in a coil. Here is the specific process:1. Power Supply: When the switch is powered, an electromagnetic field is generated in the coil.2. Sensing: When a conductive object appr...

  • A:In industrial production, safety has always been a pressing issue. Many machinery and equipment pose high risks and pose a significant threat to the personal safety of operators. Various accidents, big and small, have been occurring frequently in the mechanical industry. However, with the emergence of through-beam safety light curtains (also known as safety light grids or photoelectric protectiv...

  • A:Type 2 safety light curtains have the following characteristics:1. Low cost: Type 2 safety light curtains are generally affordable compared to higher-level light curtains.2. Performance: Type 2 light curtains typically utilize a single CPU processor for their operation.3. Dual safety channel outputs: They provide two separate output channels for enhanced safety redundancy and reliability4. Self-...

  • A:An increasing number of people have come to realize the importance of using safety grids to protect the personal safety of operators.But now there are more and more manufacturers producing safety light curtains in the market, and people are facing a serious problem: which brand of safety light curtain should they choose?Safety light curtains are used for safety protection. If the quality of the ...

  • A:The separation of vehicles at the toll station is achieved through vehicle separation light barriers.Vehicle separation light barriers, also known as infrared vehicle detectors, are detectors that use linearly arranged infrared light emitters and receivers to achieve synchronous scanning of vehicles. They convert the light signals into electrical signals to comprehensively detect vehicle data. C...

  • A:The through-beam light curtain, also known as an infrared light curtain, light curtain, or photoelectric protection device, is widely used in industrial production.The working principle of a through-beam light curtain is as follows: The emitter emits light, which is received by the receiver, forming a beam of light. The internal circuit processes the ON/OFF status of the beam to trigger actions ...

  • A:A photoelectric switch sensor is a type of sensor that utilizes the photoelectric effect for detection. Its working principle involves emitting a beam of light and detecting if the beam is obstructed to determine the presence and status of an object. The specific process is as follows:1. Emitting the beam: The sensor emits a beam of light.2. Receiving the signal: When an object enters the path o...

  • A:According to the detection method, photoelectric switches can be classified into diffuse-reflective, through-beam, retro-reflective, slot-type, and fiber-optic photoelectric switches.The through-beam type consists of a transmitter and a receiver, which are structurally separate. In the event of interruption of the light beam, a switch signal change is generated. A typical arrangement is that thr...