Decentralised control unit, equipped with a CO2 sensor for needs-based ventilation
Decentralised CO2 monitoring with direct control of various supply and exhaust air elements such as fans and dampers (0..10.000 ppm)
Properties
Power supply
:
230 V AC
measuring range (CO2)
:
0..10.000 ppm
Measuring accuracy CO2
:
± 50ppm +3 % vom Messwert
Operating conditions
:
0…50°C / 0…85 %rH
Storage conditions
:
-30…70°C / 0…85 %rH
Protection class
:
IP 31
EMV/ESD
:
EN 50082-1, EN 50082-2
Signal output
:
I²C
QFS-2X
Stainless Steel Float Switch
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
ZT-N
Customisable low pressure sensor for precise measurement of the smallest pressures
Reliable low pressure sensor in a robust and compact design
Properties
Pressure type
:
Relativdruck | Absolutdruck
Housing
:
Edelstahl
Overpressure
:
1,5* fach bis 400 bar, darüber 1,2* fach
Bursting pressure
:
3* fach bis 600 bar, darüber 1,5* fach
Measurement parameters
response time
:
< 1 ms
Total error
:
≤ 0,5 % FS
Non-linearity
:
≤ 0,2 % FS
Non-repeatability
:
≤ 0,10 % FS
Hysteresis
:
≤ 0,15 % FS
ambient conditions
Temperature of the fluid
:
-40...+125 °C (0...+80 °C kompensierter Bereich)
Ambient temperature
:
-40...+105 °C
Storage temperature
:
-40...+125°C
Shock resistance
:
g 1000 gemäß IEC 60068-2-32
Vibration resistance
:
g 20 gemäß IEC 60068-2-6
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.