ABB SensyMaster FMT430 Operating Instructions Manual page 11

SensyMaster FMT430, FMT450 THERMAL MASS FLOWMETER | OI/FMT430/450-EN REV. B
Measuring medium temperature (Ex data) for model FMT4x0-A1... in Zone 1, Zone 21
The table shows the maximum permissible measuring medium temperature as a function of ambient temperature and temperature
class. The permissible measuring medium temperature specified in Environmental and process conditions for model FMT4xx... on
page 10 must not be up-scaled!
Ambient temperature T
amb.
−40 °C to 50 °C
(−40 °F to 122 °F)
−40 °C to 60 °C
(−40 °F to 140 °F)
−40 °C to 70 °C
(−40 °F to 158 °F)
Measuring medium temperature (Ex data) for model FMT4x0-A2... in Zone 2, Zone 22
The table shows the maximum permissible measuring medium temperature as a function of ambient temperature and temperature
class. The permissible measuring medium temperature specified in Environmental and process conditions for model FMT4xx... on
page 10 must not be up-scaled!
Ambient temperature T
amb.
−40 °C to 40 °C
(−40 °F to 104 °F)
−40 °C to 50 °C
(−40 °F to 122 °F)
−40 °C to 60 °C
(−40 °F to 140 °F)
−40 °C to 70 °C
(−40 °F to 158 °F)
T1 T2
280 °C (536 °F) 185 °C (365 °F)
280 °C (536 °F) 185 °C (365 °F)
280 °C (536 °F) 185 °C (365 °F)
T1 T2
300 °C (572 °F) 290 °C (554 °F)
300 °C (572 °F) 290 °C (554 °F)
300 °C (572 °F) 290 °C (554 °F)
300 °C (572 °F) 290 °C (554 °F)
Temperature class
T3 T4
90 °C (194 °F) 90 °C (194 °F)
90 °C (194 °F) 90 °C (194 °F)
90 °C (194 °F) 90 °C (194 °F)
Temperature class
T3 T4
195 °C (383 °F) 130 °C (266 °F)
195 °C (383 °F) 130 °C (266 °F)
195 °C (383 °F) 130 °C (266 °F)
195 °C (383 °F) 130 °C (266 °F)
T5 T6
— —
— —
— —
T5 T6
95 °C (203 °F) 80 °C (176 °F)
95 °C (203 °F) —
— —
— —
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