KROHNE OPTISWITCH 5200C Namur EN - Manual (Page 26)

Layer thickness
- Enamel
approx. 0.8 mm (0.03 in)
- ECTFE approx. 0.5 mm (approx. 0.02 in)
- PFA approx. 0.5 mm (approx. 0.02 in)
Surface quality
- Standard
R
a
approx. 3 µm (approx. 1.18 -4 in)
- Hygienic version 3A (OPTISWITCH
5250 C)
R
a
<0.8 µm (<3.15 -5 in)
Process fittings
- Thread
G¾ A, ¾ NPT, G1 A, 1 NPT
- Flanges DIN from DN 25, ANSI from 1"
- hygienic fittings Bolting DN 40 PN 40, Tri-Clamp 1", Tri-Clamp
1½" PN 10, conus DN 25 PN 40, Tuchenhagen
Varivent DN 50 PN 10
High voltage test (enamel) max. 5 KV
Gas-tight leadthrough (optional)
- leakage rate
<10 -6 mbar l/s
- pressure resistance PN 64
- hygienic fittings Bolting DN 40 PN 40, Tri-Clamp 1", Tri-Clamp
1½" PN 10, conus DN 25 PN 40, Tuchenhagen
Varivent DN 50 PN 10
Output variable
Output
Two-wire NAMUR output
Current consumption
- falling characteristics
>=2.2 mA uncovered/<=1 mA covered
- rising characteristics <=1 mA uncovered/>=2.2 mA covered
- Fault signal <=1.0 mA
Necessary processing system NAMUR processing system according to
IEC 60947-5-6 (EN 50227/DIN 19234)
Modes (NAMUR output adjustable to falling or rising characteristics)
- min.
rising characteristics (High current when im-
mersed)
- max. falling characteristics (Low current when im-
mersed)
Measuring accuracy
Hysteresis
approx. 2 mm (0.08 in) with vertical installation
26 OPTISWITCH 5200 C, 5250 C - with NAMUR output
Supplement
30434
-EN
-060831