Key facts
- Brand
- Vaisala
- Model
- DMT345
- Industry
- Industrial
- Documents
- 2
- Languages
- JA · EN
- Last added
- 2012-04-06
Start here
Vaisala DMT345/DMT346 Dewpoint Transmitter User Guide
This guide covers all aspects of the DMT345 and DMT346 dewpoint transmitters, including general information, product overview, and detailed installation procedures such as mounting options and wiring. It also explains how to configure communication interfaces like LAN, WLAN, RS‑422/485, and MODBUS.
Further sections describe operation of the display/keypad, sensor calibration, maintenance tasks, and technical data for optional modules. Appendices provide example installations, calculation formulas, and MODBUS reference material.
Vaisala DMT345 specifications
| Power supply | 24 VAC |
|---|---|
| Communication interface | RS‑422/485 |
| Probe dimensions | see dimension drawings |
All Vaisala DMT345 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What power source is required for the DMT345/DMT346 transducer?
The transducer is powered from a 24 VAC source.
Which communication interfaces are supported?
The device supports RS‑422/485 as well as a serial line interface.
How can the language be changed?
The language can be changed using the Display/Keypad menu.
How do I configure the LAN interface?
Use the LAN Communication section to set IP configuration via the Display/Keypad.