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14 CoriolisMaster FCB400, FCH400 CORIOLIS MASS FLOWMETER | OI/FCB400/FCH400-EN REV. E

… 2 Use in potentially explosive atmospheres

… Temperature data

Measuring medium temperature for sensors in integral mount design with single-compartment housing

Model FCx4xx-A2… and FCx4xx-F2… in Zone 2, Division 2

The table shows the maximum permissible measuring medium temperature as a function of ambient temperature and temperature

class.

Temperature class

Ambient temperature T

amb.

T1 T2 T3 T4 T5 T6

≤ 30 °C (≤ 86 °F) 205 °C (400 °F) 205 °C (400 °F) 195 °C (383 °F) 130 °C (266 °F) 95 °C (203 °F) 80 °C (176 °F)

≤ 40 °C (≤ 104 °F) 205 °C (400 °F) 205 °C (400 °F) 195 °C (383 °F) 130 °C (266 °F) 95 °C (203 °F) —

≤ 50 °C (≤ 122 °F) 205 °C (400 °F) 205 °C (400 °F) 195 °C (383 °F) 130 °C (266 °F) 95 °C (203 °F) —

≤ 60 °C (≤ 140 °F) 205 °C (400 °F) 205 °C (400 °F) 195 °C (383 °F) 130 °C (266 °F) — —

≤ 70 °C (≤ 158 °F) 205 °C (400 °F) 205 °C (400 °F) 195 °C (383 °F) 130 °C (266 °F) — —

* Only with the ‘Extended tower length – TE1, TE2 or TE3’ order option

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General

Measurement Principle	Coriolis
Type	Mass Flowmeter
Process connection	Threaded, Flange
Accuracy	±0.1% of rate
Repeatability	±0.05 % of mass flow rate
Fluid temperature	-50 to +200 °C
Process pressure	Up to 100 bar
Material	Stainless Steel
Output	4-20 mA, pulse, frequency, digital (HART, PROFIBUS, FOUNDATION Fieldbus)
Approvals	ATEX, IECEx
Protection class	IP67
Power Supply	24 V DC
Housing Protection	Aluminum, Stainless Steel