KROHNE OPTISOUND 3020C 4wire EN - Manual (Page 37)

9 Supplement
9.1 Technical data
General data
Materials, wetted parts
- Process fitting
thread G 2A and 2 NPT: PVDF
- Transducer PVDF
- seal transducer/thread EPDM
Materials, non-wetted parts
- Housing
plastic PBT (Polyester), Alu-die casting pow-
der-coated, 316L (1.4435)
- Seal ring between housing and
housing cover
NBR (stainless steel housing), silicone (Alu/
plastic housing)
- Inspection window in housing cover Polycarbonate
- Ground terminal 316Ti/316L (1.4571/1.4435)
Weight 1.8 … 4.0 kg (4.0 … 8.8 lbs), depending on
process fitting and housing
Max. torque mounting boss 25 Nm
Output variable
Output signal
4 … 20 mA/HART
Resolution 1.6 µA
Fault signal current output unchanged; 20.5 mA; 22 mA;
<3.6 mA (adjustable)
Current limitation 22 mA
Load max. 500 Ohm 2)
Integration time (63 % of the input
variable)
0 … 999 s, adjustable
Fulfilled NAMUR recommendation NE 43
Input variable
Parameter
distance between lower edge of the transducer
and product surface
Dead zone 0.4 m (1.3 ft)
Measuring range
- Liquids
up to 8 m (26.2 ft)
- Solids up to 3.5 m (11.5 ft)
2) With inductive load, ohmic share at least 25 Ohm/mH.
OPTISOUND 3020 C - 4 ... 20 mA/HART - four-wire 37
Supplement
30508
-EN
-050914