ABB CoriolisMaster FCB450 - Electrical Data and Zone Classifications

16 CoriolisMaster FCB400, FCH400 CORIOLIS MASS FLOWMETER | CI/FCB400/FCH400-EN REV. H
… 2 Use in potentially explosive atmospheres
… Temperature data
Measuring medium temperature for sensors in remote mount design
Model FCx4xx-A1…, FCx4xx-F1… in Zone 1
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) 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 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)*
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