ULM–70
©
Dinel, s.r.o.
23
T
ecHnical
specificaTions
– l
evel
MeTer
Measuring range
1)
ULM–70_–02
ULM–70_–06
ULM–70_–10
ULM–70_–20
0.15 ... 2 m
0.25 ... 6 m
0.4 ... 10 m
0.5 ... 20 m
Adjustable measuring range (SPAN)
Min. 200 mm
Supply voltage
ULM–70N–_ _
ULM–70Xi–_ _
18 ... 36 V DC
18 ... 30 V DC
Output
4 ... 20 mA (Limit values 3.9 ... 20.5 mA), HART
®
Resolution
ULM–70_–02 ; 10
ULM–70_–06
ULM–70_–20
< 1 mm
< 2 mm
< 2.5 mm
Accuracy (within the total range)
0.15 %
Temperature error
Max. 0.04% / K
Operating frequency
ULM–70_–02
ULM–70_–06
ULM–70_–10
ULM–70_–20
120 kHz
75 kHz
50 kHz
30 kHz
Beamwidth (-3 dB)
ULM–70_–02 ; 10
ULM–70_–06
ULM–70_–20
10°
14°
12°
Ambient temperature range
ULM–70_–02 ; 06
ULM–70_–10 ; 20
-30 ... +70 °C
-30 ... +60 °C
Short-time temperature stress resistance
+90 °C / 1 hour
Max. operation overpressure (on transmission surface)
0.1 MPa
Sensitivity
3 steps (low – medium – high)
Damping
0 ... 99 s
Measuring period
1 ... 4 s
Rise time
ca. 30 s
Additional technical data for Ex proof
2)
– Max. internal values
U
i
=30 V DC; I
i
=132 mA; P
i
=0.99 W; C
i
=370 nF; L
i
=0.9 mH
Failure indication
(echo loss, level in dead zone
3)
, internal failure)
Adjustable in modes:
3.75 mA ; 22 mA ; Last measured value
Protection class
IP67
Mechanical connection
ULM–70_–02
ULM–70_–06
ULM–70N–10
ULM–70Xi–10
ULM–70_–20
Screwing with thread G 1''
Screwing with thread G 1½''
HDPE flange
Aluminium alloy flange
Aluminium alloy flange
Maximal current output load resistance (U = 24 V DC)
R
max
= 270 Ω
4)
Weight
ULM–70_–02
ULM–70_–06
ULM–70N–10
ULM–70Xi–10
ULM–70_–20
0.3 kg
0.4 kg
0.7 kg
1.2 kg
3.1 kg
1)
In case the level of bulk-solid materials is measured, the measurement range is reduced.
2)
Allowed temperature range in the zone 0: -20 °C ... +60 °C; allowed pressure range in the zone 0: 80 ... 110 kPa.
3)
Dead zone = Blind zone = Blocking distance
4)
Including 250Ω resistor in case of HART
®
connection.
17 .
s
pecificaTions
