High-Precision Climate Control with Web-Thermo-Hygrometer ++

In critical environments like climate chambers, food production, and meteorological applications, accurate and reliable climate monitoring is paramount. The Web-Thermo-Hygrometer ++ from Wiesemann & Theis offers a high-precision solution with drift-free measurements, even under sustained high humidity. Equipped with a robust, dew-resistant sensor, an integrated data logger, and comprehensive network capabilities, it excels in laboratory technology, food processing, and outdoor scenarios. This article explores its technical features, diverse applications, and key advantages, establishing it as a benchmark for Industry 4.0-compliant climate monitoring with dew point analysis.

The device features a temperature sensor covering -20°C to +80°C and a condensation-resistant humidity sensor measuring 0 to 100% relative humidity. Encapsulated sensor electronics ensure durability against environmental influences, making it ideal for high-humidity or fluctuating conditions. With proper weather protection, it supports outdoor meteorological applications. This precision makes it a reference instrument for climate chambers, sensor calibration, and monitoring high-value goods storage, ensuring equipment protection, energy efficiency, and quality control.

User-friendly operation is a cornerstone of the Web-Thermo-Hygrometer ++, enabled by an intuitive web interface that requires no additional software. Users can access real-time temperature and humidity data, analyze trends, and adjust settings effortlessly. Graphical displays, including dew point data, simplify the detection of patterns or risks, enhancing monitoring efficiency. Seamless network integration ensures flexibility for lab technicians and industrial users, making it a robust solution for challenging environments like greenhouses or tropical climates.

• The device supports up to 12 customizable alarms for temperature or humidity threshold breaches, delivered via email, SNMP traps, or Syslog. This is critical in food production or laboratories, enabling rapid responses to prevent quality loss. Regular email reports provide data summaries for audits, quality control, and documentation, ensuring transparency in climate monitoring.
• Designed for Industry 4.0, it supports protocols like OPC UA, REST, and MQTT for seamless integration into automation systems. Interfaces such as SNMPv1, SNMPv2c, SNMPv3, Modbus-TCP, OPC DA, and Sensobase enable database connectivity via ODBC. Developers can access data through TCP or UDP sockets for custom solutions, while HTTP access allows dynamic integration into websites via JavaScript (AJAX), enhancing networked climate control.
• An integrated data logger stores records for up to 20 years, depending on intervals (15 seconds to 1 hour), with a minimum of 12 weeks. Data can be exported via FTP, Excel, or email attachments for analysis. W&T Cloud integration provides global access, ideal for remote or multinational operations. A battery-backed clock, synchronized with time servers, ensures precise timestamps for reliable data logging.
• The device supports applications in laboratory climate chambers, food production (e.g., cheese or mushroom cultivation), and outdoor meteorological monitoring with weather protection. It ensures quality control for high-value goods storage and optimizes energy use in Green IT by providing precise climate data, offering versatility in demanding scenarios.
• Power is supplied via Power-over-Ethernet (PoE), supporting phantom and spare-pair powering, or an optional external adapter for non-PoE environments. It complies with EN 61000-6-2 for interference immunity and EN 55032:2015 + A1 Class B, EN 61000-3-2, and EN 61000-3-3 for low emissions, ensuring reliable performance in demanding settings like food production or outdoor installations.
• Please note: No external power adapter is included with the device.
• Designed for continuous operation, the device offers a five-year warranty. Its dew-resistant sensor, encapsulated electronics, and DIN rail mounting suit high-humidity or industrial environments. A battery-supported clock with time server synchronization ensures accurate timekeeping, reinforcing reliability for environmental sensors.
• This thermo-hygrometer is a vital tool for precise climate oversight in climate chambers, food production, and outdoor applications. With drift-free sensors, data logging, and IoT integration via MQTT and W&T Cloud, it meets Industry 4.0 demands. It’s indispensable for energy optimization, quality assurance, and dew point-based damage prevention.

Integrating IP sensors like the Web-Thermo-Hygrometer ++ enhances reliability in high-humidity environments. Real-time temperature, humidity, and dew point data are critical for climate chambers or food production, where fluctuations can compromise quality. Its robust design ensures performance in challenging settings, supporting safety and efficiency.

IoT sensors enable data aggregation via central hubs, offering a comprehensive environmental overview for advanced analytics to predict trends or identify inefficiencies. In laboratories, configurable alarms ensure rapid responses to deviations, safeguarding experiments or products. The drift-free sensor’s precision ensures accurate climate management.

Remote climate monitoring with MQTT enables efficient data transfer in low-bandwidth scenarios. W&T Cloud integration offers global accessibility for dashboards, reports, or automated responses, reducing response times and costs in food production or remote sites. Data logging and cloud storage support compliance and audits, positioning the device as a leader in smart climate control.

• Dew point analysis prevents condensation, ensuring informed climate decisions.
• PoE simplifies installation, combining data and power for enhanced reliability.
• Customizable alarms maintain engagement in climate control systems.
• Cloud integration supports scalable management for IoT sensor networks.
• Industrial climate control prevents damage to products or equipment.
• Data logging provides insights for optimization and troubleshooting.
• Secure IoT sensors with encryption ensure regulatory compliance.
• Remote monitoring via mobile apps enables real-time status checks.
• Stable network connections with redundancy prevent data loss.
• Laboratory monitoring demands high-precision sensors for experiment integrity.
• IP sensors integrate with smart systems for automated climate adjustments.
• Food production monitoring ensures compliance with safety standards.
• Flexible power options expand usability in remote applications.
• Cloud platforms with machine learning predict anomalies for cost savings.
• Drift-free thermo-hygrometers and IoT integration create a robust framework for future-ready control.

The drift-free humidity sensor’s condensation resistance ensures long-term stability, minimizing maintenance costs. It achieves fine resolutions for precise control and dew point calculations, preventing moisture damage in sensitive environments. Encapsulated electronics enhance reliability in high-humidity settings like food production or meteorology.

MQTT’s publish-subscribe model supports scalability, enabling data delivery to multiple subscribers like dashboards or alerts, conserving bandwidth. W&T Cloud offers robust data processing and visualization for deep insights. The device’s protocol support and cloud connectivity ensure seamless IoT integration, boosting efficiency.

Effective deployment requires strategic sensor placement, avoiding sunlight or precipitation in outdoor settings. Regular calibration maintains precision, while the robust design ensures uninterrupted monitoring in high-humidity environments. PoE simplifies installations, supporting centralized power management for reliable climate monitoring across industries.

• Digital sensors enable advanced data handling with wireless and mobile app integration.
• Tiered alerts allow graduated responses, from warnings to urgent notifications.
• PoE reduces installation costs, ideal for retrofitting in demanding environments.
• Variable logging intervals balance detail and storage efficiency.
• Industrial climate control uses PID algorithms for sensor-based adjustments.
• Secure VPN data transmission ensures GDPR compliance.
• Robust sensors extend reliability in high-humidity areas.
• Laboratory monitoring ensures calibration accuracy for standards.
• API access enables custom software for tailored solutions.
• Food production monitoring maintains product quality standards.
• Open-source cloud platforms reduce costs for small businesses.
• Humidity sensors require periodic cleaning for accuracy in harsh environments.
• IoT sensors with battery indicators prevent downtime.
• Integration with management systems automates climate adjustments.
• Drift-free thermo-hygrometers ensure reduced risks, optimized operations, and extended asset lifespans.