Measuring chamber – KROHNE BM 26 BASIC-ADVANCED ATEX EN User Manual
Page 8
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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