Overfill protection for containers with Ex approval
Level sensors type T-20_.F... are
approved by the DIBt (German
Institute for Structural Engineering) as liquid level limit switches for the overcharge protection of containers for storing water-dangerous liquids.
Connection
Box
:
Ex-Polyester
Box
:
Ex-Aluminium
Properties
Protection class EN60529
:
IP 65
connection thread
:
G2"
Union nut
:
G 2¾"
Guide tube length
:
max. 6 m
Operating temperature
:
-20…+60 °C
Operating pressure
:
max. 6 bar je nach Ausführung
media density
:
ρ ≥ 0,72 g/cm³ (je nach Schwimmertyp)
Switching hysteresis
:
2 mm
Switching point tolerance
:
max. 2 mm
Resistance value
Operational readiness
:
ca. 1 kΩ
overfill alarm
:
ca. 12 kΩ
Switching time
:
ca. 20 ms
Ex-protection
:
siehe Baumusterprüfbescheinigung
CE marking
:
siehe Konformitätserklärung
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
ZDS-H
Precision pressure switch for high-pressure applications up to 2,000 bar
Can be used in oil, brake fluid, diesel, air and other gases.
With very good stability and overpressure resistance.
Properties
Pressure range
:
0...2.000 bar gestuft
supply
:
24 V DC
Output
:
Relais 60 V AC/1A
overload
:
1,5 x Messbereich
Med. connection
:
G 1/4 Zoll
electrical connection
:
Schraubklemme
feature
:
Tasten, LCD-Anz.
ZDT-Serie
Differential pressure transmitter for high or low pressure applications
Versatile and reliable differential pressure transmitter for measuring air, non-aggressive media as well as liquids and oils.
Properties
Pressure type
:
Differenzdruck
Housing
:
Kunststoff
LCD display
:
optional
Signal output
:
0…10 V | 4…20 mA
Measurement parameters
Total error
:
± 2,5 % FS (typ. ± 0,5 %)
Linearity error
:
± 1 % FS
Operating conditions
Operating temperature
:
0...+50 °C
Storage temperature
:
-20°C...+120°C
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
Our application engineers advise you
personally, comprehensively and professionally!