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
EF2 24...230 V
Conductive electrodes with 24...230 V direct connection
The EF2 overfill protection (24...230 V AC/DC) is approved by "DIBt" as an overfill protection for liquids hazardous to water.
The contact protection relays are universal measuring transducers, which
input signals (resistance values) with "Namur" specification (DIN EN 60947).
Namur" specification (DIN EN 60947) into switching signals of floating
output contacts.
Protection class EN60529
clamp
:
IP20
Housing
:
IP40
Technical Data
Operating temperature
:
-20...+60 °C
Storage temperature
:
-30...+80 °C
Output contacts
:
potentialfrei
Switching voltage
:
min. 5 V, max. 250 V AC / 150 V DC
Switching current
:
min. 5 mA, max. 5 A AC / 5 A DC
Switching capacity
:
min. 300 mW, max.100 VA / max. 50 W
min. contact distance with several floats
:
125 mm
SG2420
Supply unit SG2420 for flow sensor
The DSM-2420 sensor can only be operated in hazardous areas with the associated SG2420 power supply unit or appropriately designed, approved Zener barriers.
Properties
Housing
:
Kunststoff
Protection class
:
IP00
Ambient temperature
:
-20…+60°C
Supply voltage
:
24V DC +20% / -10%
ZDS-H
Precision pressure switch for high-pressure applications up to 2,000 bar
Can be used in oil, brake fluid, diesel, air and other gases.
With very good stability and overpressure resistance.
Properties
Pressure range
:
0...2.000 bar gestuft
supply
:
24 V DC
Output
:
Relais 60 V AC/1A
overload
:
1,5 x Messbereich
Med. connection
:
G 1/4 Zoll
electrical connection
:
Schraubklemme
feature
:
Tasten, LCD-Anz.
EF 3…5 24 V
Conductive electrodes with 24 V DC direct connection
The conductive electrodes EF3...5 are approved by the "DIBt" as overfill prevention devices for liquids hazardous to water.
Properties
connection
:
integrierter Anschlusskopf
Protection class
:
IP 65
connection thread
:
G 1¼"
Material Screw connection
:
PPH
Material electrode rods
:
Edelstahl (1.4571), Hastelloy C, Titan, Tantal
material coating
:
PTFE
Coating length
:
voll = ganzer Stab (10 mm am Stabende sind blank) teil = ca. 250 mm von oben
Rod diameter
:
4 mm, 6 mm
rod length
:
max. 6 m
Operating temperature
:
85 °C
Operating pressure
:
atmosphärisch
Spacer
:
ab Länge > 1000 mm je 1000 mm 1 Abstandshalter
Properties electronic part
Operating temperature
:
–20...+85 °C
Storage temperature
:
–30...+85 °C
nominal voltage
:
24 V DC ± 15%
Power consumption
:
max. 2 W (Klemme A1, A2)
Switching voltage
:
max. 250 V AC, 150 V DC min. 5 V DC (Relais mit Kombi-Goldkontakten)
Switching current
:
max. 3 A AC, 3 A DC min. 1 mA
Switching capacity
:
max. 750 VA, 150 W
Sensitivity
:
3k ... 100 kΩ in vier Stufen (3 k, 10 k, 30 k, 100 kΩ) wählbar
Our application engineers advise you
personally, comprehensively and professionally!