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
W-35X
Water Level Gauge with sight glass indicator
The water level gauge is particulary suitable for all liquid media which are aggressively hot and rapidly moved in a container, but are not too much contamined.
Properties
Tank connection
:
Flansch ab DN 25 oder Verschraubung ab G ½"
Material Float
:
PPH max. 2,5 bar, Glas max. 10 bar
cable length
:
bei monostabilem Kontakt: Standard 2 m
Number of contacts
:
beliebig
Contact distance
:
min. 10 mm
Temperature of the fluid
:
mit Plexiglasrohr max. +70 °C
media density
:
ρ ≥ 0,95 g/cm³ | ρ ≥ 0,85 g/cm³ (auf Wunsch)
Properties W-350
Material tube sight glass
:
transparentes PVC
Temperature of the fluid
:
max. +60 °C
Operating pressure
:
max. 2,5 bar
Material flange
:
PVC
Material connection with angle valve
:
PVC
Material sealing ring
:
Gummi
Properties W-351
Material tube sight glass
:
Hartglas, Plexiglas
Temperature of the fluid
:
max. +120 °C
Material flange
:
Rotguss
Material connection with angle valve
:
Rotguss
Material sealing ring
:
Silikon
Operating pressure with glass tube
:
max. 10 bar
Operating pressure with plexiglass tube
:
max. 2 bar
Properties W-352
Material tube sight glass
:
Hartglas, Plexiglas
Temperature of the fluid
:
max. +120 °C
Material flange
:
Edelstahl
Material connection with angle valve
:
Edelstahl 1.4571 als Bogen 90°
Material sealing ring
:
PTFE und Viton
Operating pressure with glass tube
:
max. 10 bar
Operating pressure with plexiglass tube
:
max. 2 bar
Properties W-353
Material tube sight glass
:
Hartglas, Plexiglas
Temperature of the fluid
:
max. +120 °C
Material flange
:
Edelstahl
Material connection with angle valve
:
Edelstahl 1.4401
Material sealing ring
:
PTFE und Viton
Operating pressure with glass tube
:
max. 10 bar
Operating pressure with plexiglass tube
:
max. 2 bar
EP 24V
Plate Electrode as Leak Detector (conductive)
with general approval for constructions Z-65.40-191
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)
ZDT-N
Differential pressure transmitter for low pressure applications
Versatile and reliable differential pressure transmitter for measurement on air and other non-aggressive media.