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QFS-3X configure
EE-2X configure
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
EE-2X
electrode, multiple for Ex-Zone 0 (Cat. 1)
The conductive electrodes of the EE-21/EE-22 series enable the monitoring of conductive liquids within the Ex area Zone 0 (Cat. 1).
Variants
- cable connection on side : EE-21
- cable connection on top : EE-22
Properties
- connection : Edelstahl (1.4571)
- Protection class EN60529 : IP65
- 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"
- Cable entry EE-21 : Edelstahl (1.4571)
- Cable entry EE-22 : Kunststoff
- Rod diameter : 4 mm | 6 mm
- rod length : max. 6.000 mm
- Operating pressure media side : max. 40 bar
- Spacer : ab Länge > 1000 mm je 1 pro 1000 mm
Material
- electrode body : Edelstahl (1.4571)
- Seal (head) : Viton
- Seal (media side) : Viton | PTFE
- Potential equalisation conductor connection : Edelstahl (1.4571)
- electrode rods : Edelstahl (1.4571) | Hastelloy C | Tantal
- Coating : PTFE
Operating temperature
- Category 1 Class T6...T1 : 60 °C
- Category 2 Class T6 : 80 °C
- Category 2 Class T5 : 95 °C
- Category 2 Class T4 : 130 °C (100°C)
- Category 2 Class T3...T1 : 150 °C (100°C)
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