


( Brand: Ophir ), ( Part Type: Bar Sensor ), ( Manufacturer Part Number: BC20-3WL-SH )
The Ophir BC20-3WL-SH Barcode Scanner Photodiode Sensor M4518 is a high-performance barcode scanning solution designed for various Industrial Automation applications. This sensor is based on a transimpedance amplified photodiode, which provides excellent sensitivity and reliability in reading 1D and 2D barcodes with poor contrast or damaged markings.
The BC20-3WL-SH sensor features a wide reading window of 30 mm x 25 mm, allowing it to scan barcodes that are larger in size. It also offers a high reading resolution of up to 70 dpi, providing precise decoding of even the smallest and most complex barcodes. This sensor can operate in various lighting conditions and has a wide spectral response from 350 nm to 1100 nm, ensuring efficient decoding in both bright and low light environments, making it suitable for use in a variety of industries such as Logistics and Transportation, Manufacturing and Assembly, and Food and Beverage.
The sensor comes with a SH14 output signal, which is fully NPN open collector with a high impedance. This allows for easy integration with various microcontrollers and PLCs. With an operating temperature range of -10 C to 70 C, this sensor can be used in a wide range of industrial environments. Furthermore, it is designed with a rugged housing and sealed to IP67, making it resistant to dust, water, and other environmental hazards, ensuring long-lasting durability.
In addition, the BC20-3WL-SH is RoHS compliant, indicating that it does not contain lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls (PBB), or polybrominated diphenyl ethers (PBDE) in quantities exceeding specified maximum levels. It is also CE certified, indicating that it conforms to the essential health and safety requirements of applicable European Union (EU) legislation.
With its advanced technology, wide reading window, and excellent performance in various lighting conditions, the Ophir BC20-3WL-SH Barcode Scanner Photodiode Sensor M4518 is an ideal solution for a wide range of industrial barcode scanning applications, providing reliable and accurate decoding of barcodes even in the most demanding environments.
The Ophir BC20-3WL-SH Barcode Scanner Photodiode Sensor M4518 is a versatile and high-performance sensor designed for various applications in barcode scanning, distance measurement, and power monitoring. Like any other technology, it has its advantages and disadvantages. Below, we discuss each in detail to help you make an informed decision.
Better accuracy and resolution: Pros:1. High-resolution and accuracy: This sensor boasts an impressive resolution of up to 1 m, which translates to more precise and reliable reading of barcodes. It offers a higher level of accuracy that is essential for applications requiring stringent quality control.
2. Wide detection range: The sensor supports a wide detection range of 4 to 600 mm, catering to a diverse set of applications with varying requirements.
Cons:1. Complexity and Cost: The high level of sophistication and the various features offered by the Ophir BC20-3WL-SH sensor may increase its complexity, leading to a higher cost compared to simpler barcode scanners.
2. Requires External Power Supply: Unique features and advanced capabilities of the M4518 sensor demand an external power supply, which can add to the cost and complexity of the installation process.
3. Technical Expertise: setup and calibration: To get the most out of this sensor, it may require advanced technical knowledge for setup and calibration. This could be a challenge for less experienced technicians, potentially leading to potential misconfigurations and errors.
Robustness and Versatility: Pros:1. Sealed Housing: The sensor comes with an IP67-rated housing, making it resilient against harsh environments and protecting it from water, dust, and other contaminants.
2. Wide Dynamic Range: The sensor's wide dynamic range of 35 dB ensures stable readings under varying ambient lighting conditions. This is particularly valuable in industrial settings with bright backlighting or fluctuating lighting conditions.
Cons:1. Size and Weight: The Ophir BC20-3WL-SH Barcode Scanner Photodiode Sensor M4518 is larger and heavier compared to standard barcode scanners due to its sophisticated design and larger housing to accommodate the advanced features. This may not be ideal for mobile or portable applications.
2. Dependence on External Components: The sensor requires specific ancillary components, such as an external power supply, lens, or amplifier, which may add weight and complexity to the overall setup. This could be a challenge in lean manufacturing environments that emphasize minimizing the number of external parts.
Conclusion:The Ophir BC20-3WL-SH Barcode Scanner Photodiode Sensor M4518 is a high-precision sensor that offers excellent features like wide dynamic range, accurate readings, and versatile applications in various industries. However, it comes at the cost of higher complexity, size, weight, and dependence on external components. If your requirements demand stringent quality control, accuracy, and robustness, this sensor is worth considering. On the other hand, if you're looking for a simpler and more cost-effective solution, there are other, less complex barcode scanners on the market. Ultimately, the decision depends on your specific use case and budget. A consultation with a product specialist or technical expert is recommended before making a final decision.
OPHIR BC20-3WL-SH Bar Code Scanner Photodiode Sensor M4518 Warranty Information: THIS IS A USED ITEM AND HAS BEEN CHECKED FOR BASIC FUNCTIONALITY. ITEM INCLUDES A 30 DAY WARRANTY.

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