Overfill protection for containers with Ex approval
Level sensors type T-20_.F... are
approved by the DIBt (German
Institute for Structural Engineering) as liquid level limit switches for the overcharge protection of containers for storing water-dangerous liquids.
Connection
Box
:
Ex-Polyester
Box
:
Ex-Aluminium
Properties
Protection class EN60529
:
IP 65
connection thread
:
G2"
Union nut
:
G 2¾"
Guide tube length
:
max. 6 m
Operating temperature
:
-20…+60 °C
Operating pressure
:
max. 6 bar je nach Ausführung
media density
:
ρ ≥ 0,72 g/cm³ (je nach Schwimmertyp)
Switching hysteresis
:
2 mm
Switching point tolerance
:
max. 2 mm
Resistance value
Operational readiness
:
ca. 1 kΩ
overfill alarm
:
ca. 12 kΩ
Switching time
:
ca. 20 ms
Ex-protection
:
siehe Baumusterprüfbescheinigung
CE marking
:
siehe Konformitätserklärung
QFS-1X
Float switch with reed switch (mercury-free)
Inside the float, one or two reed contacts with a movable permanent magnet are inserted as a switching element.
Properties
Protection class EN60529
:
IP 68
Cable entry
:
PVC , PTFE
Conductor cross-section
:
3 x 0,75 mm², PUR 3x0,5mm²
Switching system
:
Reed-Schalter
Contact
:
Wechsler, NO, NC (QFS-11 nur NO oder NC)
Switching voltage
:
4...250 V AC/DC
Switching current
:
1 mA ...1 A
Switching capacity
:
max. 1A, 60 VA/60 W
Switching hysteresis
:
ca. 100 mm
Switching angle
:
ca. + 20° / – 20°
Float
Material Float
:
PE (Polyethylen)
ltdata.
:
ltdata.
:
ltdata.
:
Operating temperature
TPK(V), AEM
:
max. + 60 °C
PUR
:
max. + 70 °C
Silicone,Tefloncable with PE float
:
max. + 80 °C
Operating pressure
Cylinder
:
max. 1 bar
Sphere
:
max. 2 bar
Our application engineers advise you
personally, comprehensively and professionally!