2
DEVICE DESCRIPTION
16
SITRANS FX330
www.siemens.com/flow 09/2018 - A5E40861058-AB
Max. permissible product and ambient temperatures with signal converter in stainless
steel (bright) or connection box in stainless steel (bright) mounted at side or
underneath the flow sensor
Temperature class in °C
Temperature class in °F
2.7 Surface temperature for equipment category II 2 D
For use in areas with flammable dust it should be noted that the indicated maximum surface
temperature of T70°C at an ambient temperature of 65°C / 149°F and a product temperature of
65°C / 149°F is valid without a dust coating.
For higher product temperatures the maximum surface temperature is defined by the product.
Temperature class T6 T5 T4 T3 T2
T
amb
in °C 60 65 60 65 60 65 40 60 65 40 60 65
Nominal size
DN15…25 85 65 100 100 135 135 200 200 200 1 240 240 240 1
DN40…50 75 65 100 100 135 135 1 200 200 200 1 240 235 1 225 1
DN65…100 85 65 100 100 135 135 1 200 200 1 200 1 240 240 1 225 1
DN150...300 75 65 100 100 135 135 200 200 200 1 240 240 235 1
1 Permanent service temperature of connecting cable and cable entry min. 80°C
Temperature class T6 T5 T4 T3 T2
T
amb
in °F 140 149 140 149 140 149 104 140 149 104 140 149
Nominal size
DN15…25 185 149 212 212 275 275 392 392 392 1 464 464 464 1
DN40…50 167 149 212 212 275 275 1 392 392 392 1 464 455 1 437 1
DN65…100 185 149 212 212 275 275 1 392 392 1 392 1 464 464 1 437 1
DN150...300 167 149 212 212 275 275 392 392 392 1 464 464 455 1
1 Permanent service temperature of connecting cable and cable entry min. 176°F
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