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
EP
Plate Electrode as Leak Detector (conductive)
with general approval for constructions and EC-Type-Examination Certificate for Ex-zone 1(Cat. 2)
Properties
Protection class EN60529
:
IP 68
Operating temperature
:
atmosphärisch
Operating pressure
:
atmosphärisch
Resistance value of line monitoring
:
22 kΩ / 100 kΩ
cable length
:
auf Wunsch
Material
Cable
:
TPK (PVC Basis)
Sensor rods
:
Edelstahl (1.4571) | Hastelloy B | Hastelloy C | Titan | Tantal | Glaskohlenstoff
Options
cable material
:
FEP (Teflon) | EX (PVC blau)
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
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
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
:
Polyester
Properties
Protection class EN60529
:
IP 65
connection thread
:
G 1", G 1¼", G 1½", G2", G3”
Union nut
:
G 2¾", S 100x8
Guide tube length
:
max. 6 m
Operating temperature
:
max. 80°C
Operating pressure
:
atmosphärisch
media density
:
ρ ≥ 0,6 g/cm³ (je nach Schwimmertyp)
Switching hysteresis
:
typ. 2 mm
Switching point tolerance
:
max. 2 mm
Power supply
nominal voltage
:
24…230 V AC/DC
Power consumption
:
≤ 2 W
Output
Output contact
:
2 potentialfreie Wechselkontakte
Switching voltage
:
max. 250 V AC / 30 V DC
Switching current
:
max. 5 A AC / 5 A DC
Switching capacity
:
max. 750 VA / 90 W
displays
:
Betriebs-LED grün, Funktions-LED rot
Switching delay
:
ca. 0,5 s Anzug/Abfall
CE marking
:
siehe Konformitätserklärung
EE-2XF
Conductive electrodes as overfill protection for Ex-Zone 0 (Cat. 1)
Conductive electrodes EE-2XF for monitoring conductive liquids within the Ex area Zone 0 (Cat. 1) for water-polluting and flammable liquids.
Properties
connection
:
Edelstahl (1.4571)
Protection class
:
IP 65
Ex-protection
:
TÜV 02 ATEX 1796 X
Ex protection type
:
II 1 G Ex ia IIC T6 bzw. Ex ia IIB T6 / II ½ G Ex ia IIC T6 bzw. Ex ia IIB T6
connection thread
:
G1", G1¼", G1½”
Coating length
:
voll=ganzer Stab (10 mm am Stabende sind blank) teil =ca. 250 mm von oben
Rod diameter
:
4 oder 6 mm
rod length
:
max. 6 m
Operating pressure media side
:
max. 40 bar
Maximum permissible electrical connection values
:
Stromkreis in Zündschutzart Eigensicherheit Ex ia IIC/IIB
Connection values
:
Ui 15V | Li 10 mA | Pi 100 mW
Internal inductances / capacitances
:
vernachlässigbar klein
Spacer
:
ab Länge > 1000 mm je 1000 mm 1 Abstandshalter
Operating temperature
Category 1 Class T6...T1
:
60 °C
Category 2 Class T6
:
Medien & Umgebung 80 °C
Category 2 Class T5
:
Medien & Umgebung 95°C
Category 2 Class T4
:
Medien 130°C, Umgebung 100°C
Category 2 Class T3...T1
:
Medien 150°C, Umgebung 100 °C