Key facts
- Brand
- Vaisala
- Model
- PTU200
- Category
- Other device
- Documents
- 2
- Languages
- EN
- Last added
- 2012-04-06
Start here

Vaisala PTU200 Transmitter User Manual
The PTU200 transmitter measures barometric pressure, temperature and humidity. It supports RS232 or optional RS485 serial interfaces and can be equipped with HMP45A-P, HMP4SD or Pt100 sensor heads. The guide provides safety information, warranty details, mounting instructions, wiring, configuration commands, and calibration procedures.
Key sections include general information, product description, getting started, commissioning, operating modes, calibration, self‑testing, technical data, and appendices with NMEA data formats and GPS commands.
All Vaisala PTU200 documents by type
Mounting, wiring and first power-up. Read it before the hardware goes in.
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What does the warning symbol indicate?
Warning denotes a serious hazard that could result in injury or death if not correctly performed.
How long is the warranty for the PTU200MIK1 mounting kit?
Vaisala provides a one‑year guarantee from the date of delivery under normal operating conditions.
What serial interfaces does the PTU200 support?
The PTU200 transmitters use an RS232 interface and an optional RS485 serial interface.
Which sensor heads are compatible with the PTU200?
Three sensor heads can be used: HMP45A‑P, HMP4SD and Pt100.
