KEYENCE SN-11P Digital Flow Sensor Amplifier
The SN-11P is a high-performance digital flow sensor amplifier unit designed by Keyence. Engineered for precise monitoring of liquid or gas flow, this amplifier provides a clear, dual-color digital display that allows operators to monitor current flow values and set points simultaneously. As part of the SN Series, the SN-11P is built for industrial durability and high-speed response in automated process control.
Technical Specifications and Features
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Model: SN-11P (Amplifier Unit)
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Output Type: PNP open-collector
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Control Output: 100 mA max. (30 VDC max.), Residual voltage: 1 V max.
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Display: 4-digit, 7-segment LED (Dual display: Red/Green)
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Response Time: Selectable from 0.5 s, 1.0 s, 2.0 s, 5.0 s
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Power Supply: 12 to 24 VDC ±10% (Ripple P-P 10% or less)
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Current Consumption: 50 mA or less
Advanced Monitoring and Integration
The SN-11P features a highly intuitive interface that simplifies the setup of flow thresholds. Its compact DIN-rail mount design allows for space-saving installation in control panels.
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Dual Display System: Facilitates immediate visual confirmation of flow status, reducing the risk of errors during operation.
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External Input: Includes an auto-shift/remote zero-adjustment input to maintain accuracy even if the base flow fluctuates.
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Robust Protection: Equipped with reverse-polarity protection and overcurrent protection to ensure long-term reliability in harsh industrial environments.
Industrial Applications
The KEYENCE SN-11P is ideal for a wide range of monitoring tasks, including:
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Coolant Flow Monitoring: Ensuring consistent cooling for CNC machines and laser cutters.
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Liquid Dispensing: Verifying exact volumes in bottling or chemical dosing applications.
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Cleaning Process Control: Monitoring the flow of industrial detergents or deionized water in manufacturing lines.
