KROHNE OPTISWIRL 4200 C, Supplementary Instructions Manual

Page: 14 / 28

2
DEVICE DESCRIPTION
14
OPTISWIRL 4200
www.krohne.com 08/2016 - 4005002601- AD OPTISWIRL4200 Ex-II2GD R01
Max. permissible product and ambient temperatures for devices with painted flow sensors / Max. permissible product and ambient temperatures for devices with painted flow sensors / Max. permissible product and ambient temperatures for devices with painted flow sensors / Max. permissible product and ambient temperatures for devices with painted flow sensors /
signal converters or connection box mounted at side or underneath the flow sensor
signal converters or connection box mounted at side or underneath the flow sensor signal converters or connection box mounted at side or underneath the flow sensor signal converters or connection box mounted at side or underneath the flow sensor
Maximum permissible product and ambient temperatures per temperature class in
°
C
Maximum permissible product and ambient temperatures per temperature class in ° F
2.8 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 65 65 95 90 120 120
1
120 120 120
1
120 120 120
1
DN40
…
50 65 65 85 80 120
1
120
1
120 120
1
120
1
120 120
1
120
1
DN65
…
100 65 65 95 90
1
120
1
120
1
120 120
1
120
1
120 120
1
120
1
DN150...300 65 65 85 85 120 120
1
120 120 120
1
120 120 120
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
…
25 149 149 203 194 248 248
1
248 248 248
1
248 248 248
1
DN40 … 50 149 149 185 176 248
1
248
1
248 248
1
248
1
248 248
1
248
1
DN65 … 100 149 149 203 248
1
248
1
248
1
248 248
1
248
1
248 248
1
248
1
DN150...300 149 149 185 248 248 248
1
248 248 248
1
248 248 248
1
1
Permanent service temperature of connecting cable and cable entry min. 176 ° F