With the two-point float switch Type QFS-12 can be realized pump controls in liquid media on a simple way.
Properties
Protection class EN60529
:
IP68
Side installation
:
PVC-Stopfbuchsverschraubung G 2”
Installation from above
:
PVC-Stopfbuchsverschraubung G 2”
Operating pressure
:
max. 2 bar
Contact
:
Wechselkontakt
Switching voltage
:
4....250 V AC / DC
Switching current
:
1mA.....1A
Switching capacity
:
60W/VA
media density
:
ρ ≥ 0,9 g/cm³ bis ρ ≥ 0,8 g/cm³
Material Float
:
Polyethylen
Cable
TPK
:
PVC Basis
TPKV
:
PVC Basis verstärkt
PUR
:
Polyurethan
NEO
:
Neopren
SIL
:
Silikon
FEP
:
Teflon
AEM
:
Ethylen-Acrylat-Kautschuk
Operating temperature
TPK(V), NEO, AEM
:
max.+60 °C
PUR
:
max.+70 °C
FEP, SIL
:
max.+80 °C
VS-D250
Transmitter for ViscoScope viscosity sensors
Maximum flexibility for an optimal choice of measuring instrument: The VS-D250 transmitter is compatible with all ViscoScope® sensors of the types VA-100 and VA-300.
Properties
Output card socket
:
2
External input
:
0/4…20 mA | 0/2…10 V DC
Power supply
:
24V DC, 12 W
Dimensions
:
142 x 106 x 73 mm (L x B x H)
Front
:
RS232, MODBUS RTU (Standard)
Display and Operation
Lines
:
4
Pages
:
2
Character set
:
alphanumerisch
Buttons
:
3 (front)
Alarms
system function
:
sensor diagnosis
:
Coil Temperature
:
2 configurable LEDs
:
optional outputs
0/4…20mA | 0/2…10V DC (active)
:
RS232 | RS485
:
2 SPDT-Relays: RS232 | RS485
:
Filter
Moving average (200 measured values)
:
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
KST-20 VENTO CO2
KST-20 Vento with air quality monitoring function
Automatic, controlled ventilation and dehumidification of rooms with the aH-Controlled technology*
Properties
measuring range (Humidity)
:
0…100 % rF,
Measuring accuracy (humidity)
:
±2 %
measuring range (Temperature)
:
-40…+80 °C
Measuring accuracy (temperature)
:
±0,2 °C
Signal output
:
I2C
measuring range (CO2)
:
0…5.000 ppm
Adjustable limits
:
1.000…1.500 ppm
Power supply
:
230 V AC
Protection class
:
IP 65
Dimensions (LxBxH)
:
160 x 90 x 50 mm
Housing
:
hochwertiges ASA+PC (UL 94 V-0) für harte Beanspruchung, flammwidrig und selbstverlöschend
Measuring range
measuring range (Humidity)
:
0...100 % rF
Measuring accuracy (humidity)
:
± 2%
measuring range (Temperature)
:
-40...+80 °C
Measuring accuracy (temperature)
:
± 0,2 °C
measuring range (CO2)
:
0…5.000 ppm
Adjustable limits
:
1.000...1.500 ppm
Our application engineers advise you
personally, comprehensively and professionally!