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
HD-100 | HD-102 | HD-104
Hydrostatic immersion probes (0.8...10mWS)
Continuous and precise level measurement in unpressurised, open basins and tanks as well as underground applications such as shafts, wells and boreholes.
Properties
Protection class EN60529
:
IP68
Operating temperature
:
-10...70 °C (PVC: -10...60 °C)
Storage temperature
:
-25...70 °C (PVC: -10...60 °C)
Power supply
:
15...30 V DC
power
:
max. 25 mA
Output
:
2-Leiter-Technik
Measuring range
:
0,8...10 mWs (Standard)
Overpressure
:
abhängig vom Messbereich
Deviation from characteristic curve
:
Nichtlinearität,
Insulation resistance
:
> 100 kΩ
Short-circuit resistance
:
permanent
Reverse polarity protection
:
keine Schädigung o. Funktion bei vertauschten Anschlüssen
Cable
:
PVC, PUR, FEP (Ø8 mm; 2 x 0,25 mm2 mit Luftschlauch und PTFE-Filter
TK-32X
Luminous Row Displays
Luminous row displays of type series TK-320...TK-322 are used for visually displaying process states such as filling levels.
Type
TK-320
:
Schaltschrankeinbaugehäuse 24 x 96 mm
TK-321
:
Schaltschrankeinbaugehäuse 24 x 96 mm
TK-322
:
19” Karteneinschub 7 TE, 3 HE
Properties
Protection class EN60529
:
IP 52
Operating temperature
:
– 20 °C...+60 °C
nominal voltage
:
24 V DC...230 V AC
Input
:
0(4)...20 mA | 0(2)...10 V DC | 5...10kΩ
Output
:
4...20 mA | Bürde max. 500 Ω
Relay
:
2 x Umschalter max. 230 V | min. 5 V | max. 3 A | min 1 mA
Display
Number of LEDs
:
33 (rot/grün); 32 (TK-322)
Resolution
:
ca. 3,5 %
Error
:
± 1 LED
connection
:
Schraubklemmen
connection TK-322
:
Steckerleiste
Input
:
0(4)...20 mA | 0(2)...10 V DC | 5...10kΩ
Output
:
4...20 mA | max. load 500 Ω
Relay(2xSwitch)
:
max. 230 V | min. 5 V
Relay(2xSwitch)
:
max. 3 A | min. 1 mA
EE-24
Ex-Electrode-single with integrated safety barrier
When using a threshold detection electrode with integrated safety barrier, exceeding or falling below a threshold in conductive fluids in Ex-Zone 0 (category 1) can be detected.
Properties
connection thread
:
G 1/2” Standard | G 3/4” | G1”
Cable
:
TPK (Standard) | SIL (Silikon) | FEP (Teflon)
rod length
:
max. 6.000 mm
Operating pressure
:
max. 40 bar
Material
electrode body
:
Edelstahl 1.4571
Process connection
:
Edelstahl 1.4571
Coating
:
PTFE
electrode rod
:
Edelstahl 1.4571
on request
:
Hastelloy C | Tantal
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