K-WANG




The Vaisala HMT330180A021K is a highly reliable humidity and temperature transmitter designed to meet the demanding requirements of power industry, petrochemical, and general automation applications. Built for precision, durability, and versatility, this model offers advanced input/output capabilities and robust performance metrics that set it apart within the Vaisala automation products portfolio.
At the core of the Vaisala HMT330180A021K’s capabilities is its high-accuracy capacitive humidity sensor, combined with a platinum resistance temperature detector (Pt100). This combination enables the device to provide precise measurements with typical humidity accuracy of ±1.5 %RH and temperature accuracy of ±0.1 °C. The transmitter supports multiple output options including analog signals (4–20 mA) and digital interfaces, ensuring seamless integration into existing control systems and data acquisition networks. Its input/output capacity is optimized for continuous monitoring and control in harsh industrial environments, making it ideal for critical processes where measurement accuracy and reliability cannot be compromised.
Durability is another hallmark of the HMT330180A021K. The sensor and electronics are housed in a rugged IP65-rated enclosure, providing resistance against dust, moisture, and mechanical impacts. This ruggedness ensures stable operation in challenging conditions such as those found in petrochemical plants and power generation facilities. The device is also engineered to withstand temperature extremes and chemical exposure, common in industrial automation settings, extending service life and reducing maintenance needs.
In real-world applications, the Vaisala HMT330180A021K excels in environments that demand stringent climate control and precise humidity management. In the power industry, it monitors humidity in turbine and generator enclosures to prevent condensation and corrosion, thus improving equipment longevity and reliability. In petrochemical facilities, the transmitter is used to maintain optimal environmental conditions that affect sensitive chemical processes, ensuring safety and product quality. Its adaptability also makes it a preferred choice for general automation tasks such as HVAC system control, cleanroom monitoring, and storage environment regulation.
When compared to other Vaisala models, the HMT330180A021K offers a unique blend of precision, durability, and integration flexibility. While the Vaisala HMT330180B024K and HMT330180B095K models share similar sensing technology, the A021K variant distinguishes itself with enhanced output configurations and improved chemical resistance, making it better suited for more aggressive industrial atmospheres. Furthermore, unlike the Vaisala HMT3301A0A012K or HMT3301A0B015K, which are optimized for controlled indoor environments, the HMT330180A021K is specifically ruggedized for extreme industrial applications, providing a longer operational lifespan under harsh conditions.
Alongside the Vaisala HMT330180A021K, Vaisala offers complementary products such as the Vaisala KeTop T50-T41-CPU 73096, a versatile terminal unit for automation control, and the Vaisala KeConnect C5 AM 571 99626, which facilitates reliable data communication and sensor integration within complex automation networks. For specialized process monitoring, the Vaisala T70R and Vaisala T100R-VX (US) provide additional temperature and humidity sensing options tailored to various industrial needs. The Vaisala CP088-a and Vaisala PS 243/A sensors offer alternative environmental monitoring solutions, while the Vaisala KeTop T155 and Vaisala CU211 1918C-0 enhance system control and data acquisition.
The application of HMT330180A021K in power industry, petrochemical, and general automation environments is supported by its compatibility with Vaisala’s broad ecosystem of sensors and controllers. For instance, integrating the HMT330180A021K with the Vaisala E-CPU-186-C/16 MHZ or Vaisala E-CON-CC100/22179 controller units enables sophisticated process automation and monitoring solutions, elevating operational efficiency and safety.
In summary, the Vaisala HMT330180A021K stands out within the Vaisala automation products range due to its precise humidity and temperature measurement, robust industrial design, and flexible output capabilities. Its proven performance in critical industries such as power generation and petrochemical processing makes it an indispensable tool for automation professionals seeking reliable and accurate environmental data. By combining the HMT330180A021K with complementary models like the Vaisala KeTop T50-T41-CPU, Vaisala KeConnect C5, and Vaisala T70R, users can build comprehensive monitoring and control systems tailored to their specific operational demands. This synergy not only enhances process reliability but also supports proactive maintenance and control strategies, ensuring long-term productivity and safety.

| User name | Member Level | Quantity | Specification | Purchase Date |
|---|
KONG JIANG
Add: Jimei North Road, Jimei District, Xiamen, Fujian, China
Tell:+86-15305925923