This document is the user's guide for Vaisala DRYCAP® Hand-Held Dewpoint Meter DM70, produced by Vaisala, which describes the basic features and options of the product.
This guide introduces the Vaisala DRYCAP® Hand‑Held Dewpoint Meter DM70, describing its basic features, parts, and options. It explains how to install and remove the battery pack, navigate the user interface, and use the analog output.
The manual covers preparation steps, dewpoint measurement methods, auto‑calibration, sensor purge, data recording, field calibration checks, sampling from pressurized processes, and maintenance tasks such as battery and filter replacement. Technical specifications and safety information are provided in the final chapters.