Surface Temperature For Equipment Category Ii 2 D - Siemens SITRANS F Series Additional Operating Instructions

DEVICE DESCRIPTION
2
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 °C
T
amb
Nominal size
DN15...25
DN40...50
DN65...100
DN150...300
1 Permanent service temperature of connecting cable and cable entry min. 80°C
Temperature class in °F
Temperature class
T in °F
amb
Nominal size
DN15...25
DN40...50
DN65...100
DN150...300
1 Permanent service temperature of connecting cable and cable entry min. 176°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.
16
T6 T5
60 65 60 65
85 65 100 100
75 65 100 100
85 65 100 100
75 65 100 100
T6 T5
140 149 140 149 140
185 149 212 212
167 149 212 212
185 149 212 212
167 149 212 212
www.siemens.com/flow
T4
60 65 40
135 135 200 200
135 135 200 200
1
135 135 200 200
1
135 135 200 200
T4
149 104
275 275 392 392
275 275 392 392
1
275 275 392 392
1
275 275 392 392
SITRANS FX330
T3
60 65 40
200 240
1
200 240
1
200 240
1 1
200 240
1
T3
140 149 104
392 464
1
392 464
1
392 464
1 1
392 464
1
09/2018 - A5E40861058-AB
T2
60 65
240 240
1
235 225
1 1
240 225
1 1
240 235
1
T2
140 149
464 464
1
455 437
1 1
464 437
1 1
464 455
1