Endress+Hauser levelflex M FMP 41 C Bedienungsanleitung Seite 18

XA 266F-A
Tab. 3 FMP41C
Zone 0 - Application
Temperature class Maximum permitted medium
with / without VU 331
display
T6
T5
T4, T3, T2, T1
Zone 20 Safety Instructions
11.) Only intrinsically-safe signal circuit permitted:
Minimum requirement for: probe in Zone 20: EEx ia IIB
probe in Zone 21: EEx ib IIB
(intrinsically-safe values, see Tab. 2)
12.) Only use suitable cable entries for the application
13.) Continuous duty temperature of the cable ≥ Tamb + 5 K
14.) The electronics compartment can be opened under voltage for configuring the device. When the electronics compartment
cover is open, ensure that no dust can accumulate. Seal the electronics compartment after adjustment work, tightening torque
≥ 40 Nm
Tab.4 FMP41C
Zone 21 – Application
Maximum permitted medium temperature
(process connection)
Probe in Zone 20 or
Zone 21
+80 °C
+95 °C
+130 °C
+150 °C
+200 °C
Tab.5 FMP41C
Thermal data:
Maximum permitted ambient temperature
Maximum surface temperature
at 40 °C ambient temperature
Maximum surface temperature
at 80 °C ambient temperature
Maximum surface temperature for probe ambient
temperatures > 80 °C and under simultaneous com-
pliance of the ambient temperature at the electronics
housing in accordance with Tab. 4a
XA 266F-A/00/en/12.04
52022008
FM+SGML 6.0
temperature
(process connection)
Probe in Zone 0
(see point 8)
+60 °C
+60 °C
+60 °C
Maximum permitted ambient temperature at the electronics housing (electronics
housing in Zone 1) dependent on the medium temperature
FMP41C
remote electronics /
60 °C
75 °C
80 °C
Maximum permitted ambient temperature at the electronics housing (electronics
housing in Zone 21) dependent on the medium temperature
FMP41C
80 °C
75 °C
72 °C
68 °C
62 °C
Probe
in
Category 1
(Zone 20)
-40 °C .....+150 °C
+40 °C
+80 °C
.....+200 °C
(identical to process temperature)
FMP41C with
remote electronics /
spacer tube
60 °C
75 °C
80 °C
FMP41C with
remote electronics / remote electronics /
spacer tube
80 °C
79 °C
78 °C
77 °C
76 °C
Electronics housing
Category 3
(Zone 22)
-40 °C .....+80 °C
Levelflex M
FMP41C with
spacer hose
60 °C
75 °C
80 °C
FMP41C with
spacer hose
80 °C
80 °C
80 °C
80 °C
80 °C
in
42 °C
82 °C
82 °C
52022008