KROHNE BM 26 BASIC-ADVANCED ATEX EN - Manual (Page 8)

1
MEASURING CHAMBER
8
BM 26 BASIC/ADVANCED
www.krohne.com 12/2011 - 4000347102 - AD ATEX BM 26 Bas-Adv R02 en
Equipment category II 2 G and 3 G
Advanced version (without electrical equipment)
The ATEX equipment category and temperature class give the ambient temperature and related
process temperature ranges for the device.
-50°C / -58°F is the minimum temperature for the Advanced version of the magnetic level
indicator.
Equipment categories II 1 G and 1/2 G
Equipment category II 2 G and 3 G
Temperature class Maximum ambient
temperature
Maximum process
temperature
[°C] [°F] [°C] [°F]
T6 +80 +176 +80 +176
T5 +80 +176 +95 +203
T4 +80 +176 +130 +266
T3 +80 +176 +150 +302
WARNING!
Maximum rate of change in level must not be more than 1 m/s / 3.3 ft/s.
Temperature class Maximum ambient
temperature
Maximum process
temperature
[°C] [°F] [°C] [°F]
T6 +68 +154 +68 +154
T5 +80 +176 +80 +176
T4 +80 +176 +108 +226
T3 +80 +176 +160 +302
T2 +80 +176 +240 +464
T1 +80 +176 +300 +572
Temperature class Maximum ambient
temperature
Maximum process
temperature
[°C] [°F] [°C] [°F]
T6 +80 +176 +80 +176
T5 +80 +176 +95 +203
T4 +80 +176 +130 +266
T3 +80 +176 +195 +383
T2 +80 +176 +290 +554
T1 +80 +176 +300 +572