The vibrating limit switch is a level limit switch for all kinds of fluids and is used in tanks, containers and pipelines.
Properties
Protection class EN60529
:
IP 65/IP 67
Operating pressure
:
≤ 40 bar
media density
:
ρ ≥ 0,7 g/cm³
Viscosity
:
max. 10000 mm²s
Rated current
:
< 15 mA
Protection class
:
III
Output
:
PNP
power
:
kurzschlussfest, überlastsicher
Display
:
LED (grün, rot)
Switching delay (cover)
:
ca. 0,5 s
Switching delay (release)
:
ca. 1 s
NSP-1-E
connection thread
:
G 1”
Operating temperature
:
–40...+150 °C
Storage temperature
:
–40...+85 °C
nominal voltage
:
10...55 V DC (verpolsicher)
Current output
:
≤ 350 mA
NSP-2-E
connection thread
:
G ½”
Operating temperature
:
–40...+100 °C
Storage temperature
:
–20...+70 °C
nominal voltage
:
10...35 V DC (verpolsicher)
Current output
:
≤ 250 mA
T-200.F Ex
Overfill protection for containers with Ex approval
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
:
Ex-Polyester
Box
:
Ex-Aluminium
Properties
Protection class EN60529
:
IP 65
connection thread
:
G2"
Union nut
:
G 2¾"
Guide tube length
:
max. 6 m
Operating temperature
:
-20…+60 °C
Operating pressure
:
max. 6 bar je nach Ausführung
media density
:
ρ ≥ 0,72 g/cm³ (je nach Schwimmertyp)
Switching hysteresis
:
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
Ex-protection
:
siehe Baumusterprüfbescheinigung
CE marking
:
siehe Konformitätserklärung
QFS-5x | QFS-6x
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.