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
TPS-Serie
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
ZMF-202e-IR
Robust gas sensor for industrial applications with extended operating temperature range and wide-ranging approvals
The ZMF-202e-IR is a propane sensor for measuring propane concentration in harsh environments.
Properties
Operating conditions
:
-40 °C…+60 °C
Storage conditions
:
-40 °C…+85 °C
RelativeHumidity
:
0…95 % nicht kondensierend
Measurement method
:
NDIR (dual beam technology)
Certification
:
SIL2, ATEX
Signal output
:
4..20mA
Power supply
:
12…24 V DC
Housing
:
Edelstahl
Standard cable length
:
1,5 m
pressure conditions
:
800...1200 mbar
screw thread
:
M46x1,5
Measuring ranges
in ppm
:
in vol%
0...17.000ppm
:
0…1,7 vol% (100 % LEL)
0...21.000ppm
:
0…2,1 vol%
Options
Other cable lengths on request
:
ATEX certification (optional)
:
EF2...5
Conductive Electrodes with general approval for constructions
Conductive electrodes type EF2...5 are approved by the “DIBt” (German Institute for Structural Engineering) as liquid level limit switches for the overfill protection of containers for storing water-endangering liquids
Properties
Protection class EN60529
:
IP 65
connection thread
:
G1" | G1¼" | G1½"
Union nut
:
G2¾" | S 100x8
Operating temperature PE / PVC
:
atmospheric
Operating temperature PPH
:
90°C
Operating temperature PTFE
:
100°C
Operating pressure
:
atmospheric
Resistance value of line monitoring
:
22 kΩ / 100 kΩ