The DU315 is a duct-mounted industrial transmitter designed to measure air temperature and relative humidity inside HVAC ducts, ventilation systems, clean rooms, warehouses, and industrial air-handling units, and transmit the data over RS485 using the Modbus RTU protocol.

Specifications

Temperature Range-40°C to +80°C

typical)Humidity Range0–100% RH

Temperature Accuracy±0.3°C typical

Humidity Accuracy±2% RH

typicalOutputRS485 (Modbus RTU)

Supply Voltage9–30 VDC

MountingDuct mount

Protection Industrial enclosure

Response Time<2 seconds

Applications

• HVAC monitoring
• Air Handling Units (AHU)
• Ventilation ducts
• Pharmaceutical clean rooms
• Data centers and server rooms
• Cold storage facilities
• Industrial process ventilation