The HE400 series are professional-grade temperature and relative humidity transmitters designed for industrial applications. Featuring imported components and high-performance low-power microcontroller design, these transmitters deliver exceptional quality and stability for demanding environments.

• High-quality imported components with low-power SCM design
• Professional industrial design prevents circuit heating interference
• Multiple output options: 4~20mA, 0~5V, 0~10V, RS485, and Modbus protocol
• Patented installation technology for easy setup and maintenance
• High accuracy measurements with economical pricing
• Compact dimensions: 100×100×30mm (3.94×3.94×1.28 inches)
• Large LCD display: 60×40mm (2.36×1.57 inches)
• Certifications: CE and ISO standards

The HE400 series offers multiple configurations with LCD display:

HE400/HE200 series temperature humidity transmitters are designed for HVAC control and ventilation applications across multiple sectors including pharmaceuticals, clean rooms, ventilation ducts, industrial facilities, commercial buildings, crowded spaces, canteens, auditoriums, gymnasiums, high-density farms, and greenhouses.