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
ltdata.Polyesterdose
:
PO/ET-520
ltdata.Polyethylenanschlusskopf
:
PE/ET-521
Properties
Protection class EN60529
:
IP 65
connection thread
:
G 1", G 1¼", G 1½", G2", G3”
Union nut
:
G 2¾", S 100x8
Guide tube length
:
max. 6 m
Operating temperature
:
max. 80 °C
Operating pressure
:
atmosphärisch
media density
:
ρ ≥ 0,6 g/cm³ (je nach Schwimmertyp)
Switching hysteresis
:
typ. 2 mm
Switching point tolerance
:
max. 2 mm
Power supply
nominal voltage
:
24 V DC (24…300V DC)
Power consumption
:
≤ 1 W
Output
Output contact
:
1 potentialfreier Wechselkontakt
Switching voltage
:
max. 250 V AC / 30 V DC
Switching current
:
max. 3 A AC / 3 A DC
Switching capacity
:
max. 750 VA / 90 W
Optocoupler
Switching voltage
:
max. 30 V
Switching current
:
max. 100 mA
displays
:
Betriebs-LED grün, Funktions-LED rot
Switching delay
:
ca. 0,5 s Anzug/Abfall
QFS-55
Teflon float switch in rod design
The float switch combination is built with float switches of the QFS-50 and QFS-60 series. This makes it possible to control a level in a simple way.
Switching current / switching voltage
:
nur zum Anschluss an KR-163... oder andere „Namur”-Relais
Switching hysteresis
:
ca. 100 mm
Switching angle
:
ca. +20°...–20°
EF2...5
Conductive Electrodes with general approval for constructions
Conductive electrodes type EF2...5 are approved by the “DIBt” (German Institute for Structural Engineering) as liquid level limit switches for the overfill protection of containers for storing water-endangering liquids
Properties
Protection class EN60529
:
IP 65
connection thread
:
G1" | G1¼" | G1½"
Union nut
:
G2¾" | S 100x8
Operating temperature PE / PVC
:
atmospheric
Operating temperature PPH
:
90°C
Operating temperature PTFE
:
100°C
Operating pressure
:
atmospheric
Resistance value of line monitoring
:
22 kΩ / 100 kΩ