Teflon float switch for all kinds of liquids up to 150°C
The float of the QFS-50 and QFS-60 float switches is made of Teflon. Inside the float, one or two reed contacts with a movable permanent magnet are inserted as a switching element.
Switching current / switching voltage
:
nur zum Anschluss an KR-163... oder andere „Namur”-Relais
Switching hysteresis
:
ca. 100 mm
Switching angle
:
ca. +20°...–20°
NP-256
Level Switch - multiple 2...4 - pneumatic (hose)
very reliable and simple
sensors for scanning liquids, in
particular when used for overflow
protection. liquids can be
aggressive, sticky or highly contaminated
Properties
Protection class EN60529
:
IP 54
connection thread
:
ab G2”
Union nut
:
ab G2¾”
Container connection flange
:
ab DN 25
HoseØ
:
13x2 mm
Operating temperature
:
+60 °C
medium temperatur
:
max. +60 °C
Contact
:
Wechsler
Switching capacity
:
500 VA
Switch-on point (Viton membrane)
:
150 mm WS ±30 mm
Switch-off point (MembraneViton)
:
90 mm WS ±30 mm
Material
Hose
:
PVC
Screw fitting/grommet
:
PVC
flange
:
PVC
Connection head
:
PVC
Switching voltage
silver
:
max. 250 V AC
Gold
:
max. 24 V AC
Switching current
silver
:
max. 6 A
Gold
:
max. 100 mA
TK-30X
Liquid Level Measuring Instruments Series
T30... continuous magnetic immersible probes are used for quasi-acquisition of the filling level in containers with liquid media.
Properties
connection
:
Polyesterdose | Aluminiumdose | Stecker nach DIN 43650
connection thread
:
G 3/8”, G 1/2”, G 1”, G 1 1/2”, G 2”, G 3”
connection cable
:
LiYY max. 80 °C | Silikon max. 130 °C
Sliding tube length
:
max. 6000 mm
Operating temperature
:
max. +60...+130 °C | min. –20...–10 °C je nach Ausführung
Operating pressure
:
max. 20 bar je nach Ausführung
media density
:
siehe Schwimmerdaten
Viscosity
:
< 100 cp
Switching hysteresis
:
ca. halbe Auflösung
Resolution
:
7,5 mm, 10 mm, 15 mm, 20 mm oder 1 %, 2 %, 5 % je nach Ausführung
Total resistance
:
ca. 5 kΩ
Measuring voltage
:
max. 24 V
Measuring current
:
max. 5 mA
QFSK-2X
Stainless steel float switch combination
Float switch combinations QFSK for level monitoring & level control with maximum and minimum contact sensor.
Properties
Protection class EN60529
:
IP 68
Material Float
:
VA 1.4571
Material hose
:
Edelstahlwellschlauch (1.4404) mit Edelstahldrahtumflechtung (1.4301)
rod length
:
max. 5 m
Number of floats
:
bis 5
Operating temperature
:
max. + 150 °C
media density
:
ρ ≥ 0,8g/cm³
Switching system
:
Reed-Schalter
Contact
:
Wechsler, NO, 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°
Ex-protection
:
optional; IBExU10ATEX 1089
Operating pressure WFSK-25
:
max. 15 bar
Operating pressure QFSK-26
:
max. 6 bar
T205 PP
Magnetic immersion probes made of PP
Magnetic immersion probes for use with highly aggressive liquid media for detecting level limits in containers