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
TK-101 EX
Measuring transducer (R/I-transducer)
The measuring transducer Tk101 and Tk101Ex are built directly into the connection boxes of our Liquid Level Measuring Instruments of type TK-30.
Properties
Operating temperature
:
-20...+60 °C
Storage temperature
:
-40...+80 °C
Ex-protection
:
siehe Zertifikat
CE marking
:
siehe Konformitätserklärung
Input
Resistance range in three-wire circuit
:
4...10 kΩ
Measuring current
:
0,8 mA @ RE = 4 kΩ
Measuring current
:
0,33 mA bei RE = 10 kΩ
Measuring voltage
:
3,3 V
Supply/Output
2-wire
:
4...20 mA
Voltage(Um)
:
11...28 V DC
Burden / load
:
0...800 Ω |RBürde max = [(Um - Um min) / 0,02] Ω
Output signal in case of error
:
max. 24 mA
Fault influences
Max. Total error
:
± 1 %
Temperature influence
:
-0,015 % / °C
Supply voltage influence
:
0,025 % / V
Setting range
Full deflection
:
60...105 %
Zero point adjustment
:
0...25 %
T-200.L 24V
Leakage probes with general building authority approval
The leakage probes T-200.L (24 V) are approved by the "DIBt" on the basis of the "WasBauPVO" for the detection of leaked liquids hazardous to water.
Connection
Box
:
Polyesterdose (PO)
Head
:
Polyethylenanschlusskopf (PE)
Properties
Protection class
:
IP 65
Cable entry
:
PVDF-Verschraubung , PVC-Dichtung
Material Float
:
PE
Material leakage probe base
:
PE
Cable
:
TPK (PVC Basis)
Operating temperature
:
max. 60 °C
Operating pressure
:
atmosphärisch
media density
:
mit Schwimmer PE 52 ρ ≥ 1,05 g/cm³
Switching hysteresis
:
typ. 2 mm
Switching point tolerance
:
max. 2 mm
Power supply
nominal voltage
:
24 V DC (24...30 V DC)
Power consumption
:
≤ 1 W
Output
Output contact
:
1 potentialfreier Wechselkontakt
Switching voltage
:
max. 250 V AC / 30 V DC
Switching current
:
max. 3 A AC / 3 A DC
Switching capacity
:
max. 750 VA / 90 W
Optocoupler
Switching voltage
:
max. 30 V
Switching current
:
max. 100 mA
displays
:
Betriebs-LED grün, Funktions-LED rot
Switching delay
:
ca. 0,5 s Anzug/Abfall
SG2420
Supply unit SG2420 for flow sensor
The DSM-2420 sensor can only be operated in hazardous areas with the associated SG2420 power supply unit or appropriately designed, approved Zener barriers.
Properties
Housing
:
Kunststoff
Protection class
:
IP00
Ambient temperature
:
-20…+60°C
Supply voltage
:
24V DC +20% / -10%
PVS-390
PVC float with magnet insert
for actuating monostable and bistable contacts
Variants
40
:
AußenØ 40 x 165 mm, für RohraußenØ 50 mm Gewicht ca. 145 g
50
:
AußenØ 50 x 125 mm, für RohraußenØ 63 mm Gewicht ca. 156 g
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