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Krohne

OPTIMASS 3400

Compact Coriolis mass flowmeter engineered for precise low-flow and dosing measurement across liquids and gases.

Krohne OPTIMASS 3400

The OPTIMASS 3400 delivers direct mass flow measurement using proven Coriolis technology, ideal for critical dosing, metering, and batching operations. Operating reliably from -40°C to +150°C at pressures up to 300 bar, it handles both liquids and gases with exceptional accuracy. Available in multiple connection types—flanged (EN/ASME/JIS), threaded, welded, and hygienic clamp configurations—plus extensive digital communication options (HART, Fieldbus, PROFINET, EtherNet/IP, Modbus) for seamless process integration.

Specifications

Product type
Flowmeter
Product family name
OPTIMASS
Product positioning
For low flow and dosing applications
Measurement principle
Coriolis
Measured media
Liquids, Gases
Process pressure
max. 300 barg/4351 psig
Process temperature
-40…+150°C/-40…+302°F
Measuring tube
Austenitic stainless steel (1.4404/316L), Austenitic alloy (2.4602/Alloy 22)
Flange connections
EN (1092-1): DN15 ASME (B 16.5): ½" JIS (B 2220): 15A
Thread connections
Female: ¼ NPT
Other connections
Welded end
Hygienic connections
Clamp (DIN 32676): DN10Tri-Clamp: ½
Certificates/Approvals Ex
ATEX, IECEx, NEPSI, EAC Ex, cFMus, INMETRO, KCs, UKEX
Analogue outputs
4…20 mA
Discrete outputs
Limit switches, Pulse, Frequency, Status
Digital outputs
FOUNDATION™ Fieldbus, HART®, Profibus-PA, Profibus-DP, Modbus RTU, EtherNet/IP™, PROFINET, Bluetooth®, PROFINET (Ethernet-APL)

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