Sensors for determining the dew point in a wide range of applications
The dew point sensors of the enable direct measurement of the dew point and ambient temperature indoors and outdoors.
Operating conditions
Temperature:
:
-40...80°C
rel. Humidity
:
0 - 100% rH
Measuring range
measuring range (dew point)
:
-50...+80°C
measuring range (Temperature)
:
-40...+80°C
Measuring accuracy (temperature)
:
± 0,2°C
Signal output
:
0...10V oder 4...20mA
BK-380
Bistable change-over contact
Magnetically actuated changeover switch,
which permanently changes its electrical switching state as a result of a magnetic system passing by, depending on the direction of movement.
Properties
Protection class EN60529
:
IP 65
Operating temperature
:
–25...+70 °C
Wire cross-section max.
:
1,5mm²
Switching point distance between two contacts
:
min. 40 mm
Switching hysteresis
:
ca. 10-15 mm
Material
Housing
:
Polycarbonat
Mounting clip
:
V2A, Kabelbinder (PP)
Rivet
:
V2A
Screw connection
:
M 20 x 1.5, Polyamid
Weight
BK-390-50
:
137 g
BK-390-63 / BK-380
:
140 g
Switching contact
Switching voltage
:
5...250 V AC/DC
Switching current
:
1mA...6 A AC/DC
Switching capacity(min.)
:
300 VA, 60 W
Switching capacity(max.)
:
5 mW
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-55
Teflon float switch in rod design
The float switch combination is built with float switches of the QFS-50 and QFS-60 series. This makes it possible to control a level in a simple way.