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Home Product SP391 SmartProbe High-Accuracy Temperature Sensor for HVAC Systems
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SP391 SmartProbe High-Accuracy Temperature Sensor for HVAC Systems

SP391 Temperature Controller
SP391 HVAC Sensor
SP391 Control Module
SP391
SP391 Temperature Controller integrates SP391 HVAC Sensor and SP391 Control Module for precise climate regulation, environmental monitoring, and automated HVAC system adjustments in commercial/industrial environments. Compact, energy-efficient design optimizes thermal management.
Categories:Automotive
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Product Description

The SP391 Temperature Controller is a versatile device designed for precise climate regulation in industrial and commercial settings. Equipped with dual analog inputs for temperature monitoring and two relay outputs for direct control of HVAC modules, it supports Modbus and BACnet communication protocols. Operating within 12-24VDC, it functions reliably across -20°C to 60°C environments. The SP391 HVAC Sensor offers a 0-100m detection range with ±0.5°C accuracy, while its SP391 Control Module integrates seamlessly with existing automation systems via dry contact connections. Featuring a 2.4-inch LCD for real-time data visualization, this solution excels in centralized HVAC management. Key advantages include robust durability and easy configurability, though installation requires technical expertise. Its compact design suits confined spaces in manufacturing plants, smart buildings, and cold chain facilities.
Parameter Specification
SP391 Temperature Controller Input Voltage 24V AC/DC ±10%
SP391 Temperature Controller Setpoint Range 32°F to 248°F (0°C to 120°C)
SP391 Temperature Controller Output Type Relay (SPDT 10A)
SP391 HVAC Sensor Measurement Range -40°F to 212°F (-40°C to 100°C)
SP391 HVAC Sensor Accuracy ±0.5°F (±0.3°C)
SP391 HVAC Sensor Humidity Range 0-100% RH (Optional)
SP391 Control Module Communication Protocol Modbus RTU / BACnet MS/TP
SP391 Control Module Operating Temperature -4°F to 158°F (-20°C to 70°C)
SP391 Control Module Enclosure Rating IP54
SP391 Control Module Memory Capacity 64MB Flash Storage
question:What payment methods do you accept?
answer:We support TT, PayPal, and other mainstream payment methods.
question:Why are the product labels removed upon delivery?
answer:Labels are removed to comply with brand regulations and regional import requirements.
question:What is the minimum order quantity (MOQ)?
answer:MOQ varies by product. Contact us for specific requirements.
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:What payment methods do you accept?
answer:We support TT, PayPal, and other mainstream payment methods.
question:Why are the product labels removed upon delivery?
answer:Labels are removed to comply with brand regulations and regional import requirements.
question:What is the minimum order quantity (MOQ)?
answer:MOQ varies by product. Contact us for specific requirements.
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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