Endress+Hauser Levelflex M FMP41C Safety Instructions page 14

KEMA 04 ATEX 1129 X / XA263F-B
14
For the device this results in the following relationship:
Area/Components Measured transmitted
with plastic surfaces charge Q in nC
(Test Report)
Flange cladding < 75
Rod < 30
Rope < 10
Rope weight < 30
Measures:
Instruments with flange cladding (plastic) may be installed in hazardous locations (classified) of category
II 1 G or II 2 G resp. Zone 0 or Zone 1 without further protective measures, if charging of the flange
cladding is prevented by the installation (e.g. no exposed plastic surfaces or installation in metallic connection
parts/nozzles).
Tab. 1
Zone 1 - Application
Temperature class Maximum permitted
with or without medium temperature
VU331 display (process connection)
Probe in Zone 1
T6 + 80 °C
+ 60 °C
T5 + 95 °C
+ 60 °C
T4 +130 °C
+ 60 °C
T3 +150 °C
3
(functional) * + 60 °C
T3, T2, T1 +195 °C
+ 60 °C
Note: permitted probe temperature range must be observed
3
* functional = limited by maximum permitted probe temperature
X marking required for the following material groups
IIA IIB
– –
– –
– –
Maximum permitted ambient temperature at the electronics housing
(electronics housing in Zone 1) dependent on the medium temperature
FMP41C FMP41C with
remote electronics /
spacer tube
57 °C 59 °C
60 °C 60 °C
56 °C 59 °C
60 °C 60 °C
52 °C 58 °C
60 °C 60 °C
49 °C 57 °C
60 °C 60 °C
44 °C 57 °C
60 °C 60 °C
Levelflex M
IIC
IIC
–
IIC
FMP41C with
remote electronics /
spacer hose
60 °C
60 °C
60 °C
60 °C
60 °C
60 °C
60 °C
60 °C
60 °C
60 °C
Endress+Hauser