FMU 86 is a Prosonic ultrasonic transmitter. It has single-channel and dual-channel models for ultrasonic flow measurement, ultrasonic liquid level measurement, and differential measurement.
The FMU 86 transmitter is offered in several channel configurations: a single‑channel battery‑powered version, a two‑channel ultrasonic flow‑measurement version, and a two‑channel flow and/or level measurement with differential capability. The manual lists the available protection ratings, with IP66 for field‑mounted metal enclosures and IP47 for plastic housings.
Various interface options are described, including no interface, a MART‑protocol interface, a Rackbus RS485 interface, and a PRCF external interface. Power supply ranges for different versions are also given, such as 180‑253 V AC 50/60 Hz for the AA type. This manual is written in Chinese.
| Protection rating (field installation) | IP66 |
|---|---|
| Protection rating (plastic enclosure) | IP47 |
| Power supply (AA version) | 180‑253 V AC 50/60 Hz |
| Available interfaces | None, MART protocol, RS485, PRCF |
It has an IP66 protection rating for field‑mounted metal enclosures.
The transmitter can be supplied with no interface, a MART‑protocol interface, a Rackbus RS485 interface, or a PRCF external interface.
The AA version operates on 180‑253 V AC at 50/60 Hz.