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
LGW-13
CO2 sensor for measuring room air quality with visual and acoustic warning signal output
Multifunctional CO2 sensor with LED display and acoustic alarm, equipped with switching functions for both industrial and private applications (0...3.000ppm)
Product features
Product type
:
CO2-Sensor zur Bewertung und Überwachung der Luftgüte
Measuring principle
:
Basierend auf optischem Messprinzip (NDIR)
Measuring range
:
Lieferbar in unterschiedlichen Messbereichen (Standard 0…3.000ppm)
Display
:
Darstellung der CO2-Konzentration mittels Bargraphanzeige (Luftgüteampel)