• Six models for demanding applications:
  - HMT311 for wall mounting
  - HMT313 for duct mounting and tight spaces
  - HMT314 for high pressures up to 100 bar and vacuum conditions
  - HMT315 for high temperatures
  - HMT317 for high humidity applications, warmed probe option
  - HMT318 for pressurized pipelines up to 40 bar
• Next-generation Vaisala HUMICAP® Sensor for excellent accuracy and stability
• Full 0 ... 100 % RH measurement, temperature range up to +180 °C
• Small size, easy to integrate
• Insensitive to dust and most chemicals
• NIST traceable

Technical Support
Get fast, easy access to professional support over the entire life cycle of your equipment. The Vaisala HelpDesk is your single contact point for technical inquiries related to Vaisala products and systems.   

Service Center Calibration
Regular calibration ensures that your Vaisala equipment continues to provide accurate, high-quality data. We offer traceable, standards-compliant calibration services for almost all Vaisala products and partner with world-class couriers for rapid, trouble-free return of your equipment.

Spare Parts
Get rapid access to the spare parts you need to maximize the uptime of your equipment and ensure reliable and accurate operation. In addition to standard spare part delivery, we also offer an express service where parts are shipped within one business day.

Repair Services
Vaisala repair services include fault tracing and repair or replacement of failed components, as well as final testing to ensure your equipment is functioning properly. Repairs can be carried out on site or at one of our service centers.

Warranty
All Vaisala products and services are covered by a 12-month warranty as standard, with selected products covered for up to 24 months. During this period you benefit from free repair or replacement of faulty equipment. With Vaisala’s extended warranty, you get free repair or replacement for five years.