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Home Product FD-31W High-Temp Thermocouple Sensor Probe for HVAC & Automotive Applications
FD-31W

FD-31W High-Temp Thermocouple Sensor Probe for HVAC & Automotive Applications

FD-31W flow meter
Vortex FD-31W sensor
PrecisionFlow FD-31W
FD-31W
FD-31W flow meter integrates Vortex FD-31W sensor technology for highly accurate liquid/gas flow measurement. PrecisionFlow FD-31W delivers reliable, high-performance monitoring in industrial applications with robust design and advanced signal processing capabilities.
Categories:Automation
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Product Description

The FD-31W flow meter integrates a high-performance Vortex FD-31W sensor designed for accurate fluid measurement in demanding industrial environments. It features dual 4-20mA outputs, a pulse output, and direct connectivity for up to four auxiliary modules, supporting Modbus RTU and HART protocols for seamless system integration. Operating within 12-24V DC and a temperature range of -40°C to 85°C, the PrecisionFlow FD-31W excels in oil/gas, chemical processing, and water treatment applications. Its rugged IP67-rated housing houses a 2.5-inch LCD with real-time data visualization, while the vortex sensor achieves ±0.75% precision across a detection span of 0.5-30 m/s flow velocity. Key advantages include no-moving-part reliability, bidirectional flow measurement, and 5000mAh backup battery for critical operations. Installation flexibility is enhanced through compact dimensions (150x80x45mm) and optional wireless connectivity.
Parameter Specification
Model FD-31W
Product Type Vortex FD-31W Flow Meter
Measurement Principle Vortex FD-31W Sensor (Kármán Vortex Street)
Nominal Diameter DN15 ~ DN300
Flow Range 0.3 m/s ~ 12 m/s (Liquid), 4 m/s ~ 70 m/s (Gas)
Accuracy ±1.0% of Reading (±0.5% for PrecisionFlow FD-31W)
Pressure Rating 1.6 MPa ~ 4.0 MPa
Output Signal 4-20mA, Pulse, RS485 Modbus
Power Supply 24 VDC ±10%, 85-265 VAC
Process Temperature -40°C ~ +300°C
Protection Class IP67
Certification CE, RoHS, SIL 2
Material 316L Stainless Steel (Wetted Parts)
question:Why can't you provide prices for discontinued models while other suppliers can?
answer:They may source outdated stock or refurbished units from unauthorized channels. We only supply new products from reliable sources.
question:How do you handle售后 if a故障is found to be refurbished?
answer:We immediately verify设备status. If confirmed refurbished, offer replacement with genuine stock or full refund to prevent loss.
question:Why charge a handling fee for transactions?
answer:Bank transfers/payment gateways incur fees. The fee covers these costs to maintain competitive pricing and transparent operations.
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 can't you provide prices for discontinued models while other suppliers can?
answer:They may source outdated stock or refurbished units from unauthorized channels. We only supply new products from reliable sources.
question:How do you handle售后 if a故障is found to be refurbished?
answer:We immediately verify设备status. If confirmed refurbished, offer replacement with genuine stock or full refund to prevent loss.
question:Why charge a handling fee for transactions?
answer:Bank transfers/payment gateways incur fees. The fee covers these costs to maintain competitive pricing and transparent operations.
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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