VEGA VEGADIF 65 Foundation Fieldbus - Manual (Page 77)

77
11 Supplement
VEGADIF 65 • Foundation Fieldbus
36130-EN-130417
Diaphragm material Measuring range Total Error
Tantalum < 500 mbar 0.48 % of the measuring range end
value/year
from 500 mbar 0.35 % of the measuring range end
value/year
Heating time - all versions
Warm-up time
≤ 10 s
Ambient conditions
Ambient, storage and transport temperature
Ʋ Standard version -40 … +80 °C (-40 … +176 °F)
Ʋ Version for oxygen applications 19) -40 … +60 °C (-40 … +140 °F)
Ʋ Versions IP 66/IP 68 (1 bar) connec-
tion cable PE
-20 … +60 °C (-4 … +140 °F)
Ʋ Versions IP 66/IP 68 (1 bar) and IP 68,
connection cable PUR
-20 … +80 °C (-4 … +176 °F)
Process conditions
The pressure and temperature specifications are used as overview. In general, the max. pressure
for the pressure transmitter depends on the weakest (with regard to pressure) link. In detail, the
respective specifications of the type label apply.
Process temperature limits
Specifications apply to the basic version as well as to the minus side with version with single
chemical seal 20)
Ʋ With measuring cells PN 420 Lower temperature limit -10 °C (+14 °F).
Ʋ With effective pressure lines longer
than 100 mm
-40 … +120 °C (-40 … +248 °F)
Ʋ With effective pressure lines longer
than 100 mm, process fitting steel
C22.8
-40 … +120 °C (-40 … +248 °F)
Specifications apply to suitable chemical seals
Ʋ Chemical seal CSS plus side, CSB
both sides
-40 … +400 °C (-40 … +752 °F)
Process temperature limits according to the seal material
Seal material Temperature limits
FKM -20 … +85 °C (-4 … +185 °F)
FFKM (Kalrez 6375) -5 … +85 °C (23 … +185 °F)
EPDM -40 … +85 °C (-40 … +185 °F)
PTFE -40 … +85 °C (-40 … +185 °F)
NBR -20 … +85 °C (-4 … +185 °F)
Copper -40 … +85 °C (-40 … +185 °F)
Copper, for oxygen application -20 … +60 °C (-4 … +140 °F)
19) Up to 60 °C (140 °F).
20) For the version for oxygen application, note chapter "Oxygen applications".