Conditions Of Use - Siemens 7MF8 23-Serie Kompaktbetriebsanleitung

Conditions of use

Conditions of use
Installation conditions
Ambient temperature
Note
Measuring cell with silicone oil
Measuring cell with inert liquid (not with flush-mounted
diaphragm)
1)
Measuring cell with Neobee oil (FDA-compliant, flush-
mounted diaphragm)
Display
Storage temperature
● Climate class
Condensation
● Degree of protection in accordance with EN 60 529
● Degree of protection in accordance with NEMA 250
● Electromagnetic Compatibility
Emission and resistance to interference
Medium conditions
● Process temperature
Measuring cell with silicone oil
Measuring cell with silicone oil (flush-mounted
diaphragm)
1)
Measuring cell with Neobee oil (FDA-compliant, flush-
mounted diaphragm)
Measuring cell with silicone oil and cooling extension
(flush-mounted diaphragm)
Measuring cell with inert liquid
Measuring cell with high-temperature oil
Observe the temperature limits in the process connection standards (e.g. DIN 32676 and DIN 11851) for the maximum
1)
process medium temperature for flush-mounted process connections.
Construction
Design (standard version)
Weight (without options)
Enclosure material
Wetted parts materials
● Connection pins
● Oval flange
● Seal diaphragm
SITRANS P300 (7MF8.23.. 7MF8.24.. 7MF8.25..)
A5E03434657-01, 08/2011
1)
1)
1)
Approx. 800 g (1.8 lb)
Stainless steel, mat. no. 1.4301/304
Stainless steel, mat. no. 1.4404/316L
Hastelloy C276, mat. No. 2.4819
Stainless steel, mat. no. 1.4404/316L
Stainless steel, mat. no. 1.4404/316L
Hastelloy C276, mat. no. 2.4819
Observe the temperature class in areas subject to explosion
hazard.
-40 ... +85 °C (-40 ... +185 °F)
-20 ... +85 °C (-4 ... +185 °F)
-10 ... +85 °C (14 ... 185 °F)
-30 ... +85 °C (-22 ... +185 °F)
-50 ... +85 °C (-58 ... +185 °F)
(for Neobee: -20 ... + 85 °C (-4 ... +185 °F))
(for high-temperature oil: -50 ... +85 °C (-58 ... +185 °F))
Permitted
IP65, IP68, enclosure cleaning, resistant to alkalis, steam up
to 150° C
NEMA 4X, enclosure cleaning, resistant to alkalis, steam up
to 150 °C
As per EN 61 326 and NAMUR NE 21
-40 ... +100 °C (-40 ... +212 °F)
-40 ... +150 °C (-40 ... +302 °F)
-10 ... +150 °C (14 ... 302 °F)
-40 ... +200 °C (-40 ... +392 °F)
-20 ... +100 °C (-4 ... +212 °F)
-10 ... +250 °C (14 ... 482 °F)
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