Technical data Micropilot FMR60B PROFINET with Ethernet-APL
78 Endress+Hauser
15.3 Environment
Ambient temperature
range
The following values apply up to a process temperature of +85 °C (+185 °F). At higher
process temperatures, the permitted ambient temperature is reduced.
• Without LCD display:
Standard: –40 to +85 °C (–40 to +185 °F)
• With LCD display: –40 to +85 °C (–40 to +185 °F) with limitations in optical properties
such as display speed and contrast for example. Can be used without limitations up to
–20 to +60 °C (–4 to +140 °F)
If operating outdoors in strong sunlight:
• Mount the device in the shade.
• Avoid direct sunlight, particularly in warm climatic regions.
• Use a weather protection cover (see accessories).
Ambient temperature limits The permitted ambient temperature (T
a
) depends on the selected housing material
(Product Configurator → Housing; Material →) and the selected process temperature range
(Product Configurator → Application →).
In the event of temperature (T
p
) at the process connection, the permitted ambient
temperature (T
a
) is reduced.
The following information only takes functional aspects into consideration. Additional
restrictions may apply for certified device versions.
Plastic housing
Plastic housing; process temperature –20 to +150 °C (–4 to +302 °F)
A0032024
32 Plastic housing; process temperature –20 to +150 °C (–4 to +302 °F)
P1 = T
p
: –20 °C (–4 °F) | T
a
: +76 °C (+169 °F)
P2 = T
p
: +76 °C (+169 °F) | T
a
: +76 °C (+169 °F)
P3 = T
p
: +150 °C (+302 °F) | T
a
: +25 °C (+77 °F)
P4 = T
p
: +150 °C (+302 °F) | T
a
: –20 °C (–4 °F)
P5 = T
p
: –20 °C (–4 °F) | T
a
: –20 °C (–4 °F)
In the case of devices with a plastic housing and CSA C/US approval, the selected
process temperature of –20 to +150 °C (–4 to +302 °F) is limited to
0 to +150 °C (+32 to +302 °F).