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
ELH
Suspension electrode as leakage probe
The leakage probes of the type series ELH are approved by the "DIBt" for the monitoring of collecting chambers, collecting devices, inspection and filling shafts.
General data
Protection class
:
IP 68
Probe body material
:
PE, PVC, PPH, PVDF
Diameter probe body
:
15 mm, 25 mm, 40 mm
Operating temperature
:
atmosphärisch
Operating pressure
:
atmosphärisch
Resistance value of line monitoring
:
22 kΩ / 100 kΩ