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Model
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FMT430
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FMT450
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Design
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Integral mount design, remote mount design; Transmitter optionally available in single-compartment
housing or dual-compartment housing
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Measuring media
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Gas (air ,methane, nitrogen, hydrogen, carbon dioxide, oxygen, natural gas, ammonia, helium, argon,
propane, ethane, butane, ethene, biogas) and gas mixtures with known compositions
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Measuring accuracy for gases
Air, nitrogen
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± 1.2 % of Qm in the range of 10 ... 100% of the
measuring range; ± 0.12 % of the QmaxDN possible in
the nominal diameter in the range of 0 ... 10 % of the
measuring range
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± 0.6 % of the measured value, ± 0.05% of the QmaxDN
possible in the nominal diameter
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Other gases (optional process gas
calibration)
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–
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± 1.6 % of the measured value, ± 0.1 % of the QmaxDN
possible in the nominal diameter
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Extended measuring range
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No
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Yes, optional
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Measuring medium temperature Tmedium
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Standard: -25 ... 150 °C (-13 ... 302 °F)
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Standard: -25 ... 150 °C (-13 ... 302 °F),
optional: -25 ... 300 °C (-13 ... 572 °F)
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Ambient temperature Tambient
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Standard: -20 ... 70 °C (-4 ... 158 °F), optional:-40 ... 70 °C (-40 ... 158 °F), -50 ... 70 °C (-58 ... 158 °F)
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Sensor connection
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Flange DN 25 – PN 40, threaded connection DN 11851, compression fitting
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Wetted materials
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Stainless steel, ceramic measuring element (other materials on request)
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IP rating
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In accordance with EN 60529: IP 65 / IP 67
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NEMA rating
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In accordance with NEMA 4X
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Approvals and certificates
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Explosion protection ATEX / IECEx
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Further approvals
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Explosion protection cFMus
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Further approvals
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Further approvals
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Available on our website abb.com/flow or on request
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Pipe components
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FMT091 – Wafer type design
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In accordance with EN 1092-1 DN 40 ... 200, PN 40
In accordance with ASME B16.5 1 1/2 ... 8”, CL 150 ... 300
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FMT092 – Partial measuring section
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Flange in accordance with EN 1092-1, DN 40 ... 100 (larger nominal diameters on request), PN 10 ... 40.
Flange in accordance with ASME B16.5 1 1/2 ... 8”, CL 150 ... 300
Male thread DN 25 ... 80 R1 in. ... 3 in.
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FMT094 – Weld-on adapter
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For rectangular ducts or pipe diameters ≥ DN 100 (4 in.), PN 16 ... 40
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Wetted materials
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Stainless steel, galvanized steel (other materials on request)
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