QFS-20 & QFS-21 float switches have stainless steel floats and one or two reed contacts.
Properties
Protection class EN60529
:
IP68
Material Float
:
VA 1.4571
Material hose
:
Edelstahlwellschlauch (1.4404) mit Edelstahldrahtumflechtung (1.4301)
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°
Operating pressure (QFS-20)
:
max. 15 bar
Operating pressure (QFS-21)
:
max. 6 bar
NP-255
Level Switch - multiple 2...4 - pneumatic
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
Hose Ø
:
16 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
Pitot tube / 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-300
Level transducer
T30... continuous magnetic immersible probes are used for quasi-acquisition of the filling level in containers with liquid media.
Properties TK-300
connection
:
Polyesterdose | Aluminiumdose | Stecker nach DIN 43650
Protection class socket / plug
:
IP 65
Protection class EN60529 cable
:
IP 55
Float type
:
10 (14)
connection cable
:
1000 mm LiYY 0,5 mm² oder Silikon 0,5 mm²
Sliding tube length
:
max. 6000 mm
Operating pressure
:
max. 6 bar
Resolution
:
10 mm, 15 mm oder 1%, 2%, 5% je nach Auflösung
CE marking
:
siehe Konformitätserklärung
Operating temperature
PV
:
max. 60°C
PE
:
max 80 °C
PP
:
max. 90°C
MaterialDensity
Type 10
:
0,72 g/cm³
Type 14
:
0,72 g/cm³
Type 18
:
0,82 g/cm³
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