QFS-1X

Float switch with reed switch (mercury-free)

Features

EX IP68

product family

level measurement

product class

Point Level Measurement

suitable for

fluids

measurement principle

Schwimmer


Special characteristics

  • Optionally: Ex-certification for Ex-Zone 1 (Cat. 2) according to ATEX

  • High chemical resistance

  • Suitable for liquids of different densities & temperatures up to 150 °C

Description

Inside the float, one or two reed contacts with a movable permanent magnet are inserted as a switching element.

Technical Data

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

QFS-1X configuration

Your Configuration

Basename
QFS1
Schwimmertyp
Kontakt
Schwimmermaterial
Kabelmaterial
TPK
Kabellänge
Ex

Further product information

The QFS-1. float switches can be supplied with an outer casing of polyethylene. Inside the float one or two reed contacts with a pivoted permanent magnet form the switching device. The switching device is so constructed that a slight shift of the switch from a horizontal position triggers off the signal. A highly flexible, three-core cable is used both for the electrical connection and for the mechanical attachment of the QFS. The whole QFS unit is so constructed that the float and the lead-in line are hermetically sealed.

Documents and Downloads

Benefit from our services

repair & maintenance

repair & maintenance

We produce durable products of high quality. However, if one of our products requires maintenance, we will gladly inspect the device in our Service Centre.

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application-specific solution

application-specific solution

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Fluid.iO
Sensor + Control
GmbH & Co. KG

An der Hartbrücke 6
64625 Bensheim