Product Description

​The Omron E2S-Q23B is a miniature square-type inductive proximity sensor designed for precise detection in space-constrained applications. It offers a sensing distance of 2.5 mm with a response frequency of 1 kHz, ensuring reliable performance. Operating within a voltage range of 10 to 30 VDC, it features a low current consumption of 13 mA at 24 VDC without load. The sensor's compact dimensions (8 mm x 8 mm x 23 mm) and robust IP67-rated housing make it suitable for demanding industrial environments.

Technical Specifications

• Sensing Method: Unshielded, Different Frequency Type​
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• Sensing Distance: 2.5 mm ±15%​
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• Setting Distance: 0 to 1.9 mm​
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• Differential Distance: Maximum 10% of sensing distance​
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• Sensing Object: Ferrous metals (sensitivity reduced for non-ferrous metals)​
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• Standard Sensing Object: Iron (15 x 15 x 1 mm)​
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• Response Frequency: 1 kHz (average value)​
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• Supply Voltage: 12 to 24 VDC (operating voltage range: 10 to 30 VDC)​
• Current Consumption: 13 mA maximum at 24 VDC (no load)​
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• Output Type: NPN open collector​
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• Switching Capacity: 50 mA maximum at 30 VDC​
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• Residual Voltage: 1 V maximum (under load current of 50 mA with 1 m cable length)​
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• Operating Temperature: -25°C to 70°C​
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• Storage Temperature: -40°C to 85°C​
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• Operating Humidity: 35% to 90% RH​
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• Storage Humidity: 35% to 95% RH​
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• Vibration Resistance: Destruction: 10 to 55 Hz, 1.5 mm double amplitude each in X, Y, and Z directions for 2 hours​
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• Shock Resistance: Destruction: 500 m/s² for 3 times each in X, Y, and Z directions​
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• Degree of Protection: IP67​
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• Connection Method: Pre-wired models (1 m)​
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• Weight: Approximately 10 g (packed state)​
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• Material (Case): Polyarylate​
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• Accessories: Mounting Bracket