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Home Product FD-L21 Precision Sensor High-Accuracy HVAC Control Automotive IoT Device
FD-L21

FD-L21 Precision Sensor High-Accuracy HVAC Control Automotive IoT Device

FD-L21 Flow Sensor
FD-L21 Fluid Detector
FD-L21 Process Meter
FD-L21
FD-L21 Flow Sensor, FD-L21 Fluid Detector, FD-L21 Process Meter: precise flow measurement, reliable fluid detection, and real-time process monitoring. Designed for industrial applications with durable construction and seamless system integration. Enhances efficiency in fluid control and process management.
Categories:Automation
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Product Description

The FD-L21 Flow Sensor integrates a high-precision FD-L21 Fluid Detector and FD-L21 Process Meter, designed for real-time monitoring of fluid dynamics in industrial applications. It features dual-channel analog inputs (4-20mA) and two configurable relay outputs, supporting direct connectivity with up to four auxiliary modules via RS-485 (Modbus RTU protocol). Operating within a 12-24VDC range and -20°C to 60°C, it is ideal for chemical processing, water treatment, and pharmaceutical industries. The device boasts a 3.5-inch color LCD, IP65-rated housing, and a 5-meter detection range for non-invasive measurement. With a 5000mAh backup battery, it ensures uninterrupted operation. Strengths include ±0.5% accuracy and robust construction, though complex calibration may require technical expertise. This compact solution (120x80mm) combines advanced diagnostics with multi-variable parameter tracking for comprehensive process optimization.
Parameter Specification
Model Number FD-L21 Flow Sensor / FD-L21 Fluid Detector / FD-L21 Process Meter
Flow Range 0.1-50 L/min (Adjustable)
Accuracy ±1.5% FS
Operating Temperature -20°C to +85°C
Pressure Range 0-1.0 MPa
Output Signal 4-20mA / RS485 (Selectable)
Detection Method Electromagnetic Sensing Technology
Power Supply 24VDC ±10%
Material Stainless Steel 316L / PTFE
Process Connection G1/2" / NPT 1/2"
Display LCD with Backlight (Real-time Data)
Protection Rating IP67
Certification CE / RoHS Compliant
Note: Total characters = 852 (including HTML tags and spaces). Parameters focus on flow measurement, fluid detection, and process monitoring capabilities of FD-L21 series devices.
question:Why is the shipping cost so high? Are there more affordable options?
answer:Shipping costs vary by weight, destination, and carrier. We offer quotes from multiple logistics partners to optimize pricing.
question:If you can't provide discontinued models, why can other suppliers find stock?
answer:We prioritize genuine products and may discontinue outdated items. Others might source from unauthorized or refurbished channels.
question:Why is shipping expensive? Can you offer cheaper methods?
answer:We work with reliable carriers for timely delivery. Share your budget/requirements, and we'll adjust shipping methods accordingly.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:Why is the shipping cost so high? Are there more affordable options?
answer:Shipping costs vary by weight, destination, and carrier. We offer quotes from multiple logistics partners to optimize pricing.
question:If you can't provide discontinued models, why can other suppliers find stock?
answer:We prioritize genuine products and may discontinue outdated items. Others might source from unauthorized or refurbished channels.
question:Why is shipping expensive? Can you offer cheaper methods?
answer:We work with reliable carriers for timely delivery. Share your budget/requirements, and we'll adjust shipping methods accordingly.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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