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
TPS-Serie
Sensors for determining the dew point in a wide range of applications
The dew point sensors of the enable direct measurement of the dew point and ambient temperature indoors and outdoors.
Operating conditions
Temperature:
:
-40...80°C
rel. Humidity
:
0 - 100% rH
Measuring range
measuring range (dew point)
:
-50...+80°C
measuring range (Temperature)
:
-40...+80°C
Measuring accuracy (temperature)
:
± 0,2°C
Signal output
:
0...10V oder 4...20mA
TK-32X
Luminous Row Displays
Luminous row displays of type series TK-320...TK-322 are used for visually displaying process states such as filling levels.
Type
TK-320
:
Schaltschrankeinbaugehäuse 24 x 96 mm
TK-321
:
Schaltschrankeinbaugehäuse 24 x 96 mm
TK-322
:
19” Karteneinschub 7 TE, 3 HE
Properties
Protection class EN60529
:
IP 52
Operating temperature
:
– 20 °C...+60 °C
nominal voltage
:
24 V DC...230 V AC
Input
:
0(4)...20 mA | 0(2)...10 V DC | 5...10kΩ
Output
:
4...20 mA | Bürde max. 500 Ω
Relay
:
2 x Umschalter max. 230 V | min. 5 V | max. 3 A | min 1 mA
Display
Number of LEDs
:
33 (rot/grün); 32 (TK-322)
Resolution
:
ca. 3,5 %
Error
:
± 1 LED
connection
:
Schraubklemmen
connection TK-322
:
Steckerleiste
Input
:
0(4)...20 mA | 0(2)...10 V DC | 5...10kΩ
Output
:
4...20 mA | max. load 500 Ω
Relay(2xSwitch)
:
max. 230 V | min. 5 V
Relay(2xSwitch)
:
max. 3 A | min. 1 mA
QFS-3X
Mercury-free float switch with µ-switch
Properties
Protection class EN60529
:
IP 68
Cable entry
:
PVC , PTFE bzw. PVDF
Conductor cross-section
:
3 x 0,75 mm², PUR 3x 0,5mm²
Operating pressure cylinder
:
max. 1 bar
Operating pressure sphere
:
max. 2 bar
Switching system
:
µ-Schalter
Contact
:
Wechsler, NO, NC
Material Float
QFS-30
:
PPH (Polypropylen)
QFS-31
:
PPH (Polypropylen)
QFS-34
:
PE (Polyethylen)
Cable
TPK
:
PVC Basis Ø 5,9 mm
TPKV
:
PVC verstärkt Ø 7,3 mm
PUR
:
Polyurethan Ø 5,4 mm
SIL
:
Silikon Ø 6,4 mm
FEP
:
Teflon Ø 4,0 mm
AEM
:
Ethylen-Acrylat-Kautschuk
Cable length between float & attachment
TPK
:
70 mm
TPKV
:
90mm
PUR
:
100mm
SIL
:
80 mm
FEP
:
110 mm
AEM
:
abhängig vom Innenkabel
Operating temperature
TPK(V), AEM
:
max. + 60 °C
PUR
:
max. + 70 °C
Silicone,Tefloncable with PE float
:
max. + 80 °C
Silicone, Teflon cable with PP float
:
max. + 85 °C
MaterialDensity
QFS-31
:
≥≥ 0,6 g/cm³
QFS-34
:
≥≥ 0,75 g/cm³
QFS-30 TPK(V) cable
:
≥≥ 0,85 g/vcm³
QFS-30 PUR cable
:
≥≥ 0,95 g/cm³
QFS-30 SIL cable
:
≥≥ 0,90 g/cm³
QFS-30 FEP cable
:
≥≥ 0,95 g/cm³
QFS-30AEM cable
:
≥≥ 0,90 g/cm³
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
Our application engineers advise you
personally, comprehensively and professionally!