Parameters and Specifications:

• Brand: Foxboro
• Model: A4H254-8F8T
• Control Principle: Other¹
• Power Supply Battery: 3.6v Lithium Battery¹
• Sensor Input: PT100¹
• Measurement Range: -200℃ to 850℃¹
• Accuracy Grade: 0.2% f.s¹
• Operating Temperature Range: -25℃ to 60℃¹
• Electrical Damping: 0.1s to 16s¹
• Communication Frequency Band: 470MHz (Configurable from 470MHz to 510MHz)¹
• RF Transmit Power: 17dBm¹
• RF Receive Sensitivity: -105dBm¹
• Wireless Transmission Distance: 300m (open space), optional 1500m¹
• Peak Communication Current: ≤100mA¹
• Sleep Current: ≤10uA¹
• Process Connection: M20×1.5, M27×2, G1/2, 1/2 NPT (Optional)¹
• Working Time: 1 to 2 years¹
• Protection Level: IP54

Features:

• Low Power Consumption: All circuit designs adopt low-power technology¹.
• High Reliability: High-reliability RF radio frequency communication module¹.
• Wireless Communication: No need for external power supply or on-site wiring, saving on cables and construction costs¹.
• Multi-Node Networking: Capable of multi-node wireless networking and point-to-multipoint wireless networking¹.
• Flexible Frequency Allocation: Uses unrestricted 470MHz to 510MHz public channels, no need to apply for channels¹

Functions:

• A4H254-8F8T is an Ethernet switch designed for use in industrial environments. It is equipped with a high-precision wireless communication temperature instrument that utilizes a low-power, high-reliability RF radio frequency communication module and a high-capacity, high-performance lithium battery¹.
• It is suitable for use in industrial fields such as oil, chemical, and metallurgy, where power supply is not available but real-time temperature transmission is required¹.
• It can be used in conjunction with data acquisition terminals, allowing the host computer to read real-time temperature data from wireless instruments via USB or Modbus interfaces