The KROHNE OPTISONIC 3400 District Heating is a high-performance ultrasonic flowmeter designed for thermal energy and district heating applications. It offers bi-directional measurement, excellent long-term stability, and no pressure loss. Built for high-temperature water systems, it ensures reliable and maintenance-free operation in demanding environments.

Specifications:

• Technology: Ultrasonic flow measurement

• Application Type: District heating and cooling systems

• Accuracy: ±0.3% of measured value

• Flow Direction: Bi-directional

• Process Temperature: Up to +250 °C

• Pressure Rating: Up to 100 bar

• Output / Interfaces: 4–20 mA, HART, Modbus, PROFIBUS

• Pipe Sizes: DN25 to DN1000

• Protection Rating: IP67 / IP68

Applications:
Ideal for district heating and cooling networks, energy measurement, and utility systems requiring accurate flow and heat metering.

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