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
Sensor for simultaneous measuring flow velocity and filling level
The DSM2420 sensor is a combined sensor for simultaneous measuring flow velocity and level in open or accessible closed channels of all types and shapes.
Properties
Dimensions
:
180 x 48 x 36,5 mm ( L x B x H )
Weight
:
ca. 1,5 kg
Protection class
:
IP68
Cable length (standard)
:
15 m
Bending radius
:
> 10 x D (Kabeldurchmesser 6,25mm) = > 62,5mm
Temperature range
:
0°C ... 50°C
Mounting shoe material
:
V2A 1,5mm
Certificates
EX / ATEX
:
IBExU 04 ATEX 1256
Measuring principle
Flow velocity: Ultrasonic Doppler
:
Filling level: Differential pressure
:
Flow velocity
Measuring range
:
0,01 - 4 m / s
Measuring accuracy
:
+/- 5 % vom Momentanwert im Kanal
Temperature drift
:
0,1% / °C ( Meßspanne )
Temperature drift
:
0,05% / °C ( Nullpunkt )
Output signal
:
4 - 20 mA
Filling level
Measuring ranges
:
0 –1 m ; 0 – 2 m ; 0 – 4 m
Measuring accuracy
:
< 0,2% v.E. Summe aus Nichtlinearität, Hysterese und Wiederholbarkeit
Temperature drift
:
0,005% / °C v.E. Meßspanne
Temperature drift
:
0,005% / °C v.E. Nullpunkt
Material
:
Al2O3 (96%) aktive Fläche
Output signal
:
4 – 20 mA
Zero point
:
norm 4 mA ( +/- 3 % )
Our application engineers advise you
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