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 % )
MTA
Mechanical tank level indicator
The tank level indicator is a mechanically actuated indication operating "on the spot”. It permits a high degree of safety and flexibility thanks to separate points of measurement and indication.
Properties
Tank connection
:
Flansch ab DN 80 (Sonderanschlüsse auf Wunsch)
Material
:
siehe Maßbild
Material Tube
:
PVC, transparent | Ø 50 x 1,8 | Ø 63 x 3,0
Operating temperature
:
–20...+60 °C
Operating pressure
:
atmosphärisch
Material Float
PPH
:
Ø 70 mm 460 g
PVC
:
Ø 70 mm 455 g
PPH
:
Ø 40 mm 370g
PE
:
Ø 70 mm ca. 450 g
Material Rope
PPH
:
(rot, Ø 2 mm) ~ 2 g/m
Polyester
:
(bunt, Ø 2 mm) ~ 4 g/m
PTFE
:
(weiss, Ø 3 mm) ~ 10 g/m
T20x.F
Overfill protection for containers
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
:
Polyester
Box
:
Aluminium
Box
:
Polyethylen
Box
:
Kabel
Box
:
Stecker
Properties
Protection class EN60529
:
IP 65
connection thread
:
G 1", G 1¼", G 1½", G2", G3”
Union nut
:
G 2¾", S 100x8
Guide tube length
:
max. 6 m
Operating temperature
:
atmosphärisch; PP max. 90°C
Operating pressure
:
Max. 20 bar
media density
:
ρ ≥ 0,6 g/cm³ (je nach Schwimmertyp)
Switching hysteresis
:
typ. 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
ltdata.
:
Our application engineers advise you
personally, comprehensively and professionally!