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QFS-12 configure
EE-2XF configure
TK-312 configure
QFS-12
Two-Point Float-Switch
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
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
Material
- Cable entry EE-21 : Edelstahl (1.4571)
- Cable entry EE-22 : PVDF
- Electrode body material : Edelstahl (1.4571)
- Seal (head) : Viton
- Seal (media side) : Viton / PTFE
- Potential equalisation conductor connection : Edelstahl (1.4571)
- Material electrode rods : Edelstahl (1.4571), Hastelloy B, Hastelloy C, Tantal
- material coating : PTFE
TK-312
Evaluation unit with 0/4... 20 mA current output
The TK-312 measuring transducer converts the resistance signal supplied from a continuous level sensor into a current signal proportionate to the level.
Properties
- Protection class EN60529 clamp : IP 20
- Protection class EN60529 front panel housing : IP 40
- Operating temperature : –20...+60 °C
- nominal voltage : 24... 230 V AC/DC
- Power consumption : 2 VA, 2W
- Dimensions housing type B : 22,5 x 114,5 x 99
- Dimensions housing type C : 22,5 x 114,5 x 114
Input
- Voltage : 0...10 V
- Resistance in three-wire circuit RG : 0-4...10 kW
Output
- Temperature influence tolerance : max. ± 0,6 % der Signalspanne
- Current output : 0/4... 20 mA bezogen auf die Masse des Eingangs
- Voltage output : 0/2... 10 V
- Mounting : Tragschiene nach EN 50022
- Weight : 175 g
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