The DF-370E is tough and durable - protected by a dustproof, waterproof, explosion proof, enclosure, they also offer the option of remoting the sensor in a Nema 7 enclosure.
The DF-370E features:
Nema 7x version of the DF-310E
Sensor and flowmeter can be mounted in the analyzer enclosure or remoted in a Nema 7 enclosure.