KSK
page 8
KSK
01
/0322
10. Technical Information
Materials
Measuring tube:
Trogamide T (KSK 1..) or polysulfone (KSK 2..)
not transparent, but
opaque
translucent
Float:
PVDF
O-rings:
EPDM (KSK-1../KSK-2..)
Max. operating pressure:
PN 10
KSK 1...
max. 60 °C (0...60 °C)
KSK 2...
max. 100 °C (0...100 °C)
(60 °C with PVC screwed fitting)
max. 85 °C (with contact)
4 (according to VDE / VDI 3513, sheet 2)
PVC glue-in connection
Max. operating temp.:
Accuracy class:
Connection
(standard)
KSK 1.. and
KSK 2..:
Contacts (optional)
The flow meter can be fitted with either reed contacts or electronic contacts.
Reed contacts (bistable)
Switching voltage*:
max. 130 V
AC
Breaking capacity*:
max. 10 W / 10 VA
Switching current*:
max. 0.5 A
Contact resistance:
< 150 m
Ohm
Insulation resistance:
> 10
5
Ohm
Allowed ambient temperature:
0...+ 55 °C
Protection:
IP 65
Contact hysteresis:
approximately 5 - 7 mm floater distance
* Short-time overshoot is not allowed. The use of a contact protection relay is
therefore recommended (see Accessories Z2 brochure).