Siemens SITRANS P DS III - Installation and Mounting Procedures; Basic Safety Instructions for Installation

SITRANS P DS III (7MF4.33.. 7MF4.34.. 7MF4.35..)
A5E03434626-03, 06/2013
39
7.2
Operating conditions
Rated conditions for gauge pressure and absolute pressure (from the gauge pressure series)
Installation conditions
Ambient conditions
●
Ambient temperature
Note
Observe the temperature class in hazardous areas.
Measuring cell with silicone oil
filling
-40 … +85 °C (-40 … +185 °F)
Measuring cell with inert liquid -20 … +85 °C (-4 … +185 °F)
Display -30 … +85 °C (-22 … +185 °F)
Storage temperature
-50 … +85 °C (-58 … +185 °F)
●
Climate class
Condensation
Permitted
● Degree of protection in
accordance with EN 60529
IP65, IP68
● Degree of protection in
accordance with NEMA 250
NEMA 4X
●
Electromagnetic compatibility
Interference emission and
interference immunity
In accordance with EN 61326 and NAMUR NE 21
Process medium conditions
● Process temperature
Measuring cell with silicone oil
filling
-40 … +100 °C (-40 … +212 °F)
Measuring cell with inert liquid
-20 … +100 °C (-4 … +212 °F)
With extension to Zone 0
-20 … +60 °C (-4 … +140 °F)
Conditions of use for gauge pressure and absolute pressure with flush-mounted diaphragm
Installation conditions
Ambient temperature
Note
Observe the temperature class in explosive atmospheres.
● Measuring cell with silicone oil
filling
-40 … +85 °C (-40 … +185 °F)
●
Measuring cell with inert liquid
-20 … +85 °C (-4 … +185 °F)
●
Measuring cell with Neobee
(FDA-compliant)
-10 … +85 °C (14 … 185 °F)
● Display
-30 … +85 °C (-22 … +185 °F)
● Storage temperature
-50 … +85 °C (-58 … +185 °F)
(for Neobee: -20 ... + 85 °C (-4 ... +185 °F))
(for high-temperature oil: -10 ... + 85 °C (14 ... 185 °F))
Climate class
Condensation
Permitted
● Degree of protection in
accordance with EN 60 529
IP65, IP68
● Degree of protection in
accordance with NEMA 250
NEMA 4X
Electromagnetic compatibility
●
Interference emission and
interference immunity
In accordance with EN 61326 and NAMUR NE 21