This is a user manual for a barometer, which mainly introduces the features, appearance structure and installation method of the barometer
The PTB330 is a digital barometer from Vaisala that measures atmospheric pressure in the range of 500‑1100 hPa. This manual explains how to install the instrument, connect power and signal wiring, and configure optional modules such as analog output, relay, and RS‑485 communication.
Key sections cover mounting options (wall, DIN‑rail, pole, panel), wiring and grounding, display and keypad operation, menu settings, analog and relay output configuration, RS‑485 interface commands, and maintenance procedures including calibration and troubleshooting. This manual is written in Japanese.
| Pressure range | 500‑1100 hPa |
|---|---|
| Pressure indication resolution | 0.1 hPa |
Use the wall‑mounting kit to attach the instrument to a wall.
The display shows the current pressure and a three‑hour trend indicator.