CoriolisMaster FCB400, FCH400 CORIOLIS MASS FLOWMETER | OI/FCB400/FCH400-EN REV. E 15Measuring medium temperature for sensors in remote mount designModel FCx4xx-A1…, FCx4xx-F1… in Zone 1The table shows the maximum permissible measuring medium temperature as a function of ambient temperature and temperatureclass.Temperature classAmbient temperature Tamb. 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) 80 °C (176 °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) 80 °C (176 °F)≤ 60 °C (≤ 140 °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)≤ 70 °C (≤ 158 °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)Model FCx4xx-A2… and FCx4xx-F2… in Zone 2, Division 2The table shows the maximum permissible measuring medium temperature as a function of ambient temperature and temperatureclass.Temperature classAmbient temperature Tamb. T1 T2 T3 T4 T5 T6≤ 30 °C (≤ 86 °F) 205 °C (400 °F)*195 °C (383 °F)205 °C (400 °F)*195 °C (383 °F)195 °C (383 °F)*130 °C (266 °F)130 °C (266 °F)*95 °C (203 °F)95 °C (203 °F)*80 °C (176 °F)80 °C (176 °F)≤ 40 °C (≤ 104 °F) 205 °C (400 °F)*180 °C (356 °F)205 °C (400 °F)*180 °C (356 °F)195 °C (383 °F)*130 °C (266 °F)130 °C (266 °F)*95 °C (203 °F)95 °C (203 °F)*80 °C (176 °F)—≤ 50 °C (≤ 122 °F) 205 °C (400 °F)*140 °C (284 °F)205 °C (400 °F)*140 °C (284 °F)130 °C (266 °F)*130 °C (266 °F)130 °C (266 °F)*95 °C (203 °F)80 °C (176 °F)*60 °C (140 °F)—≤ 60 °C (≤ 140 °F) 205 °C (400 °F)*120 °C (248 °F)205 °C (400 °F)*120 °C (248 °F)130 °C (266 °F)*120 °C (248 °F)130 °C (266 °F)*95 °C (203 °F)— —≤ 70 °C (≤ 158 °F) 180 °C (356 °F)*80 °C (176 °F)180 °C (356 °F)*80 °C (176 °F)130 °C (266 °F)*80 °C (176 °F)130 °C (266 °F)*80 °C (176 °F)— —* Only with the ‘Extended tower length – TE1, TE2 or TE3’ order option