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
TK-301 PTFE
Liquid Level Measuring Instruments Series
T30... continuous magnetic immersible probes are used for quasi-acquisition of the filling level in containers with liquid media.
Technical Data
Protection class socket / plug
:
IP 65
Protection class EN60529 cable
:
IP 55
Float type
:
16
connection cable
:
1000 mm Silikon 0,5 mm²
Sliding tube length
:
max. 6000 mm
Operating temperature
:
max. 120 °C
Operating pressure
:
max. 3 bar
media density
:
0,79 g/cm³
Resolution (depending on type)
:
7,5 mm |10 mm | 15 mm | 20 mm | 1 % | 2 % | 5 %
Accessories
:
R/I-Wandler TK-101
T205 VA
Stainless steel magnetic immersion probes
Magnetic immersion probes for use with highly aggressive liquid media for detecting level limits in containers
Properties
Protection class
:
IP 65
Number of floats
:
max. 2x Typ 08
connection cable
:
Silikon Litze
Operating temperature
:
max. 100 °C
Operating pressure
:
max. 10 bar (Zylinder)
Number of contacts
:
max. 2 x Schließer/ Öffner wahlweise durch 180°-Drehung des Schwimmers bei 2 Schwimmern
Switching current
:
1 A
Switching voltage
:
250 V AC
Switching capacity
:
50 W/VA
Sliding tube length
:
max. 1000 mm
media density
:
Typ 08: 0,78 g/cm³
float
:
Zylinder Edelstahl 1.4571 27 mm Ø
min. contact distance with several floats
:
50 mm
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