This manual introduces the general information, product overview, installation, commissioning and maintenance of Vaisala HUMICAP® Oil Moisture and Temperature Transmitter MMT330.
This guide introduces the MMT330 transmitter, its basic features, probe options, and typical applications in oil moisture measurement. It also describes the structure of the transmitter and optional modules such as power supply, analog output, and communication interfaces.
The manual covers detailed installation procedures (housing, DIN‑rail, wall, pole, and rain‑shield mounting), wiring, LAN/WLAN and MODBUS configuration, operation via the display/keypad, serial and USB communication, calibration, periodic maintenance, and technical data specifications.