VEGA VEGAFLEX 55K - Manual (Page 9)

VEGAFLEX 55K 9
Product description
Accuracy (under reference conditions acc. to IEC 770 - relating to the max. meas. range)
Linearity error < 0.1 %
Temperature drift 0.015 %/10 K
Resolution of the 4 … 20 mA signal 0.025 % of range (DA converter)
Resolution 1 mm
Characteristics
Min. span between
full and empty adjustment
- analogue output signal
10 mm
Ambient conditions
Vessel pressure -1 … 40 bar
Ambient temperature on the housing -40°C … +60°C
Process temperature -40°C … +150°C
Storage and transport temperature -40°C … +80°C
Protection IP 66/IP 67 (meets both protection standards)
Protection class
- two-wire sensor
II
- four-wire sensor I
Overvoltage category III
Min. dielectric constant
ε
r
> 1.5
Process fittings
VEGAFLEX 55 G 3 /
4
A, 3 /
4
" NPT, G 1A, 1" NPT, G 1 1 /
2
A, 1 1 /
2
" NPT
1.4435 (stst) or Hastelloy C22 plated
flanges
Ex technical data
Ex-Zone 0 acc. to ATEX II 1/2 G
Ex Zone 0 EEx ia IIC T 6 acc. to ATEX II 1/2 G
Ex Zone 0 EEx d ia IIC T 6 acc. to ATEX II 1/2 G
The permissible operating data of the VEGAFLEX sensors for Ex areas are listed in the
certificate.
Materials
Housing PBT (Valox) or
Aluminium (powder-coated)
Coax rod 1.4435 (stst: 316L) or Hastelloy C22