Description
Product Details
Vaisala delivers advanced HVAC transmitters that empower automation systems to perform flawlessly in the most demanding environments, from data centers and semiconductor fabs to cleanrooms, hospitals, and other critical spaces, ensuring precise, reliable measurements where they matter most.
The transmitters offer superior reliability, easy installation, and seamless integration with major Building Automation and Building Management Systems. The comprehensive product range includes temperature, humidity, air pressure, dew point, and CO₂ for ambient air, pipes, ducts, and outdoor applications.
Key benefits
High precision
Humidity measurement with Vaisala HUMICAP® R2 sensor comes with state-of-the-art precision, stability and environmental resistance. Temperature is measured with a highly accurate Pt1000 sensor element.
Stability – Reliability
The high quality and excellent stability of the measurements enables precise and reliable controls of HVAC systems, even in demanding conditions or sites.
Traceable accuracy
The instruments are individually adjusted and delivered with a traceable (ISO 9001) calibration certificate. The transmitter is easy to calibrate also on site using a Vaisala handheld meter or Vaisala Insight PC software.
Features
- Measurement accuracy up to ±1.5 %RH and ±0.1 °C (±0.18 °F)
- Analog output 4 … 20 mA transmitter model options: HMD62 (RH and T) and TMD62 (T-only)
- Analog output 0 … 10 V transmitter model: HMD65 (RH and T)
- BACnet MSTP and Modbus RTU: HMD65
- Resistant to chemicals and dust
- IP66-rated body
- Traceable calibration certificate
Applications
- Automotive Industries
- Compressed Air Measurement
- Construction Material Manufacturing
- Cleanroom Environmental Monitoring
Technical Notes
- Vaisala Insight PC Software for Easy Access to Indigo Compatible Probes TechNote
- Vaisala B210781EN-C Vaisala Humicap Sensor for Measuring Relative Humidity Technical Note
- Vaisala Comparison Table of HUMICAP Humidity and Temperature Transmitter HMD60/70 and HMD60 TechNote
- Vaisala Understanding Measurement Performance and Specifications TechNote
Videos
Overview

Vaisala HMD62 Product Introduction
Setup & Operation

Vaisala HMD60 in NEMA4X Test

Vaisala Hardware Testing

