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
EP
Plate Electrode as Leak Detector (conductive)
with general approval for constructions and EC-Type-Examination Certificate for Ex-zone 1(Cat. 2)
Properties
Protection class EN60529
:
IP 68
Operating temperature
:
atmosphärisch
Operating pressure
:
atmosphärisch
Resistance value of line monitoring
:
22 kΩ / 100 kΩ
cable length
:
auf Wunsch
Material
Cable
:
TPK (PVC Basis)
Sensor rods
:
Edelstahl (1.4571) | Hastelloy B | Hastelloy C | Titan | Tantal | Glaskohlenstoff
Options
cable material
:
FEP (Teflon) | EX (PVC blau)
HD-100 | HD-102 | HD-104
Hydrostatic immersion probes (0.8...10mWS)
Continuous and precise level measurement in unpressurised, open basins and tanks as well as underground applications such as shafts, wells and boreholes.
Properties
Protection class EN60529
:
IP68
Operating temperature
:
-10...70 °C (PVC: -10...60 °C)
Storage temperature
:
-25...70 °C (PVC: -10...60 °C)
Power supply
:
15...30 V DC
power
:
max. 25 mA
Output
:
2-Leiter-Technik
Measuring range
:
0,8...10 mWs (Standard)
Overpressure
:
abhängig vom Messbereich
Deviation from characteristic curve
:
Nichtlinearität,
Insulation resistance
:
> 100 kΩ
Short-circuit resistance
:
permanent
Reverse polarity protection
:
keine Schädigung o. Funktion bei vertauschten Anschlüssen
Cable
:
PVC, PUR, FEP (Ø8 mm; 2 x 0,25 mm2 mit Luftschlauch und PTFE-Filter
T20x.F
Overfill protection for containers
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
:
Polyester
Box
:
Aluminium
Box
:
Polyethylen
Box
:
Kabel
Box
:
Stecker
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
:
atmosphärisch; PP max. 90°C
Operating pressure
:
Max. 20 bar
media density
:
ρ ≥ 0,6 g/cm³ (je nach Schwimmertyp)
Switching hysteresis
:
typ. 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
ltdata.
:
QFS-12
Two-Point Float-Switch
With the two-point float switch Type QFS-12 can be realized pump controls in liquid media on a simple way.
Properties
Protection class EN60529
:
IP68
Side installation
:
PVC-Stopfbuchsverschraubung G 2”
Installation from above
:
PVC-Stopfbuchsverschraubung G 2”
Operating pressure
:
max. 2 bar
Contact
:
Wechselkontakt
Switching voltage
:
4....250 V AC / DC
Switching current
:
1mA.....1A
Switching capacity
:
60W/VA
media density
:
ρ ≥ 0,9 g/cm³ bis ρ ≥ 0,8 g/cm³
Material Float
:
Polyethylen
Cable
TPK
:
PVC Basis
TPKV
:
PVC Basis verstärkt
PUR
:
Polyurethan
NEO
:
Neopren
SIL
:
Silikon
FEP
:
Teflon
AEM
:
Ethylen-Acrylat-Kautschuk
Operating temperature
TPK(V), NEO, AEM
:
max.+60 °C
PUR
:
max.+70 °C
FEP, SIL
:
max.+80 °C
ÜTA-32
Overfuelling indicator
The top-mounted tank indicator is a mechanically operated, on-the-spot indicator. The liquid level in the tank located below the indicator is determined proportionately to the filling level and is indicated. Control of the level is easily achieved through the installation of switching contacts. The switching points for level control can be steplessly adjusted, on-the-spot and at any time.
Properties
connection
:
G 1” (andere Gewinde auf Anfrage)
max.length guide tube
:
siehe Diagramm
Operating temperature
:
atmosphär. Bedingungen
Operating pressure
:
atmosphär. Bedingungen
media density
:
siehe Eintauchtiefe
Number of contacts
:
beliebig
Contact load
:
max. 10 VA, max. 230 V AC
Length
:
max. 1750 mm
Material
Sight tube
:
PVC transparent
connection
:
PVC-Verschraubung mit PTFE-Stangenführung
Guide rod
:
Edelstahl, Titan, Hastelloy B, Hastelloy C oder PVCRohr
float
:
PE / PP
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
TK-313
Evaluation unit with 2 change over limit contacts
The TK-313 limit comparator can be used in conjunction with our
TK-30... continuous level sensors with 0(4)...20 mA or 0...10 V output
signal for level control / measurement.
Properties
Protection class EN60529 clamp
:
IP 20
Protection class EN60529 front panel housing
:
IP 40
Operating temperature
:
–20...+60 °C
nominal voltage
:
24... 230 V AC/DC
Power consumption
:
2 VA
Dimensions housing type B
:
22,5 x 114,5 x 99
Dimensions housing type C
:
22,5 x 114,5 x 114
Input
power
:
0/4...20 mA
Voltage
:
0...10 V
Resistance in three-wire circuit RG
:
0–4...10 kΩ
Output
Output contacts
:
2 Wechselkontakte
Switching voltage
:
max. 250 V AC
Switching current
:
max. 3 A
Switching capacity
:
max. 500 VA
Temperature influence tolerance
:
max. ± 0,6 % der Signalspanne
Mounting
:
Tragschiene nach EN 50022
Current output
:
4...20 mA bezogen auf die Masse des Eingangs
Display (%)
:
2-stellig, 7-Segment
Weight
:
175 g
ltdata.
:
Our application engineers advise you
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