HTC HD-304 Temperature & Humidity Meter with Dew Point & Wet Bulb Measurement

The HTC HD-304 Temperature & Humidity Meter is a professional environmental monitoring instrument designed for accurate measurement of temperature, relative humidity, dew point, and wet bulb temperature. Featuring a large backlit LCD, data logging capability, Max/Min recording, and fast-response sensors, it delivers reliable performance for industrial, laboratory, and HVAC applications.

Designed for engineers, technicians, and environmental professionals, the HD-304 helps monitor indoor climate conditions, improve energy efficiency, and maintain compliance in temperature-sensitive environments.

Learn more in our blog:

• Heatwaves in 2026: Why Every Industry Needs Temperature and Humidity Monitoring

Key Features

• Measures temperature and relative humidity
• Dew point and wet bulb temperature calculation
• High-precision digital sensors
• Large backlit LCD display
• Data logging function
• Max/Min value recording
• Data Hold function
• Fast response time
• Compact ergonomic handheld design
• Suitable for professional field applications

Applications

• HVAC Maintenance
• Environmental Monitoring
• Indoor Air Quality Testing
• Laboratories
• Pharmaceutical Facilities
• Warehouses
• Manufacturing Plants
• Building Inspection
• Industrial Maintenance
• Clean Rooms

Specifications

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