Ex-QFS-30
:
waagerecht mit G1” Verschraubung, senkrecht mit Beschwerungsgewicht (Ex)
Ex-QFS-31
:
waagerecht mit Flansch ab DN 100 (PP)
NP-255
Level Switch - multiple 2...4 - pneumatic
very reliable and simple
sensors for scanning liquids, in
particular when used for overflow
protection. liquids can be
aggressive, sticky or highly contaminated
Properties
Protection class EN60529
:
IP 54
connection thread
:
ab G2”
Union nut
:
ab G2¾”
Container connection flange
:
ab DN 25
Hose Ø
:
16 mm
Operating temperature
:
+60 °C
medium temperatur
:
max. +60 °C
Contact
:
Wechsler
Switching capacity
:
500 VA
Switch-on point (Viton membrane)
:
150 mm WS ±30 mm
Switch-off point (MembraneViton)
:
90 mm WS ±30 mm
Material
Pitot tube / Hose
:
PVC
Screw fitting/grommet
:
PVC
flange
:
PVC
Connection head
:
PVC
Switching voltage
silver
:
max. 250 V AC
Gold
:
max. 24 V AC
Switching current
silver
:
max. 6 A
Gold
:
max. 100 mA
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