The Vaisala HMDW80 Series is the cost-effective choice for routine humidity and temperature measurement in standard building-automation and HVAC applications.
The Vaisala HMDW80 Series provides dependable ±3% RH humidity and temperature measurement for standard HVAC and building-automation applications. It is the budget-friendly option in the Vaisala HMW range, combining straightforward installation, reliable operation and low maintenance requirements.
The family includes HMW80 wall-mounted transmitters, HMD80 duct-mounted transmitters and HMS80 outdoor transmitters. Select the installation style and output configuration required by the building-management system.
Important calibration note: The HMDW80 Series is not supplied with a calibration certificate. If your project requires an included traceable calibration certificate, select the HMDW110 Series or the premium HMW90 Series.
| Series | Position | Humidity Accuracy | Calibration Certificate | Best Fit |
|---|---|---|---|---|
| HMW90 | Premium | Up to ±1.7% RH | Included | Highest-accuracy indoor wall measurement |
| HMW110 / HMD110 / HMS110 | Balanced high-accuracy | Up to ±2% RH | Included | Demanding wall, duct and outdoor HVAC |
| HMW80 / HMD80 / HMS80 | Cost-effective | Up to ±3% RH | Not supplied | Routine building automation |
Selection note: HMDW80 is suitable when standard HVAC accuracy and project economy are the priorities. It should not be presented as equivalent to HMW110 or HMW90 where higher accuracy or traceable calibration documentation is required.
| Model Family | Installation | Typical Application |
|---|---|---|
| HMW80 Series | Indoor wall | Rooms, offices and general occupied spaces |
| HMD80 Series | Ventilation duct | Supply-air, return-air and air-handling ducts |
| HMS80 Series | Outdoor | Outdoor reference measurement for HVAC control |
| Specification | Details |
|---|---|
| Measured Parameters | Relative humidity and temperature; model dependent |
| Relative Humidity Range | 0–100% RH |
| Humidity Accuracy | ±3% RH for standard HVAC measurement |
| Installation | Wall, duct or outdoor model |
| Local Display | Available on selected models |
| Calibration Certificate | Not supplied with HMDW80 |
Seacom Process Instruments supplies the Vaisala HMW80, HMD80 and HMS80 in Malaysia for standard HVAC and building-automation applications. Contact our team to confirm the mounting style, measured parameters, output and display required for your project.
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