EE-2XF

Conductive electrodes as overfill protection for Ex-Zone 0 (Cat. 1)

Features

EX WHG Überfüllsicherung

product family

level measurement

product class

overfill protection and leackage detector

suitable for

fluids

measurement principle

conductive


Special characteristics

  • EC-Type-Examination Certificate TÜV 02 ATEX 1796 X for Ex-Zone 0 (Category 1)

  • with general approval for construction Z-65.13-405

  • One electrode can measure up to 4 limit heights

Description

Conductive electrodes EE-2XF for monitoring conductive liquids within the Ex area Zone 0 (Cat. 1) for water-polluting and flammable liquids.

Technical Data

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

EE-2XF configuration

EE2 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9

1 Typ

  • 1 : vollständig Kategorie 1, Kabelanschluss seitlich
  • 2 : vollständig Kategorie 1, Kabelanschluss oben

2 Elektrodenanzahl

  • 2 : 2 Elektroden bei G 1"
  • 2…4 : 2...4 Elektroden bei G 1¼"
  • 2…5 : 2...5 Elektroden bei G 1½”

3 Anschlussgewinde

  • G100 : G 1”
  • G125 : G 1¼”
  • G150 : G 1½”
  • FL : Flansch angeschweißt

4 Stabmaterial

  • VA : Edelstahl (.4571)
  • HB : Hastelloy B
  • HC : Hastelloy C
  • TA : Tantal

5 Stabdurchmesser

  • 4 : 4 mm
  • 6 : 6 mm

6 Beschichtung

  • TI : teilisoliert PTFE
  • VI : vollisoliert PTFE

7 Kabelbruchwiderstand

  • 100 : 100 kΩ

8 Sicherheitsfunktion

  • F : Teil einer Überfüllsicherung

9 Stablänge

  • XX : Länge in mm (bitte angeben)

Further product information

By using the conductive electrodes of our EE-21...F/EE-22...F line you can monitor conductive liquids within zone 0 (category 1). They are also approved by the “DIBt” (German Institute for Structural Engineering) as liquid level limit switches for the overfill protection of containers for storing water-endangering and combustible liquids. The screw connection of the EE-21...F/EE-22...F consists of stainless steel 1.4571. The electrode rods are made of stainless steel, 1.4571, Hastelloy B, Hastelloy C or  tantalum. Through this the conductive electrodes EE-21...F/EE-22...F are suitable for use with highly aggressive media. The conductive electrodes of the EE-21...F/EE-22...F line are designed to be mounted within containers, the room inside the container can be classified as Ex-zone 0 (category 1).

  • Overfill cut-out device Z-65.13-405
  • EC Type-Examination Certificate TÜV 02 ATEX 1796 X
  • Completely useable within Ex-zone 0 (category 1)
  • also with unconnected cable end
  • One electrode can measure up to 4 limit heights
  • Optional assembling thread G 1" (for 1 limit height)
  • Measuring the limit heights of conductive gassing media (ammoniacal gas liquor, fermentable solutions)
  • Interference-proof measurement
  • Interface measurement conductive / non-conductive

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