Vaisala DMT340 Industrial Dew Point and Temperature Transmitter with DRYCAP Sensor

The Vaisala DMT340 (model DMT341 in the DMT-series) is an industrial-grade dew point and temperature transmitter engineered for precise monitoring of dry process environments, essential in biotechnology bioprocessing, compressed air drying, and metallic treatment applications. Utilizing the robust DRYCAP capacitive polymer sensor, it delivers accurate moisture detection while resisting particulate contamination, oil vapors, and acidic vapors—critical for molecular diagnostics and synthetic biology research environments requiring stable humidity control.

Key technical specifications include:

• Dew point measurement range: from -60 °C to 80 °C (-76 °F to 176 °F), covering ultra-low moisture detection necessary for stringent biomanufacturing conditions
• Relative Humidity (RH) range: 0% to 70% with accuracy of 0.004% RH at 20% reading, providing dependable environmental monitoring for advanced cell culture labs
• Temperature accuracy: ±0.2 °C, ensuring precise thermal regulation in laboratory and industrial settings
• Response time: 30 seconds, suitable for real-time process analytics
• Power supply: 100-240 V, 50/60 Hz for versatile industrial integration
• Outputs: 4-20 mA analog, RS-485, and Ethernet digital interfaces for seamless connectivity in automated bioprocess control systems
• Datalogging: Stores up to one year of dew point and temperature data for trend analysis, essential in long-term experiment reproducibility and industrial process validation
• User interface: Graphical LCD display with intuitive menu for onsite configuration and monitoring

The transmitter's rugged housing conforms to industrial standards, making it ideal for integration into biomedical engineering workflows and critical environmental condition monitoring in cleanroom and pilot plant environments. Its long-term stability and auto-calibration features ensure consistent performance, which is vital in gene editing platforms and pharmaceutical production pipelines.

This Vaisala unit supports key applications including humidity control in clean manufacturing, fluorescence analysis environments, and live-cell imaging setups requiring tightly controlled atmospheric conditions. The combination of precise moisture measurement and contamination resistance makes the DMT340 series a reliable instrument widely adopted in synthetic biology research and molecular biology laboratories focusing on sensitive bioprocesses.