Endress+Hauser FMR 231 - Operating conditions; Environment

9.2 Derating diagrams
Permissible process
pressure as a function
of flange temperature
Permissible ambient
temperature as a
function of process
temperature
Load as a function of
input voltage
-20-40 120 150
-1
16
40
-40 150
-1
16
40
max. permissible process pressure (bar gauge)
PPS antenna PTFE antenna
BA171Y61
max. permissible process pressure (bar gauge)
flange temperature (process side) °C flange temperature (process side) °C
PTFE antenna with
uncladded flange
-40 8050 150
80
50
-40
-20 8050
120
80
50
40
40
-40
permissible ambient temperature °C
(housing)
BA171Y64
flange temperature (process side) °C
Standard
Standard
permissible ambient temperature °C
(housing)
flange temperature (process side) °C
PPS antenna with F12/T12 housing
PTFE antenna with F12/T12 housing
Ex T6
T3...T5 see
appropriate
certificate
Ex T6
T3...T5 see
appropriate
certificate
3636
3030
1616
19.1
17.5
1100
Standard, ExEx
Standard
00 250
HART
250
HART
120180 750820
voltage U
BA171Y63
load Ω
Housing F12 HousingT12
voltage U
load Ω
Micropilot FMR 231 Chapter 9 Technical Data
Endress+Hauser 53