Dinel ULM -70 Series 매뉴얼 - 페이지 3
{카테고리_이름} Dinel ULM -70 Series에 대한 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Dinel ULM -70 Series 6 페이지. Ultrasonic level meters
페이지 인쇄
T
ECHNICAL SPECIFICATIONS
Measuring range
1)
Supply voltage
Output
Resolution
Accuracy (within the total range)
Temperature error
Beamwidth (-3 dB)
Ambient temperature range
Short-time temperature stress resistance
Max. operation overpressure (on transmission surface)
Sensitivity
Damping
Measuring period
Delay between supply power rise time and fi rst measurement
Additional technical data
(only for variant Xi) – Max. internal values
2)
Failure indication (echo loss, level in dead zone, internal failure)
Protection class
Mechanical connection
Recommended cable
Current output load resistance (U = 24 V DC)
Weight
In case the level of bulk-solid materials is measured, the measurement range is reduced.
1)
2)
Allowed temp. range in the zone 0: -20°C ... +60°C, Allowed press. range in the zone 0: 80 ... 110 kPa.
Including 250R resistor in case of HART connection.
3)
A
REA CLASSIFICATION
ULM–70N–_ _–I
ULM–70Xi–02–I
ULM–70Xi–06–I
ULM–70Xi–10–I
ULM–70Xi–20–I
ULM–70_–02–I
ULM–70_–06–I
ULM–70_–10–I
ULM–70_–20–I
ULM–70N–_ _–I
ULM–70Xi–_ _ –I
ULM–70_–02 ; 10–I
ULM–70_–06–I
ULM–70_–20–I
ULM–70_–02 ; 06–I
ULM–70_–10 ; 20–I
ULM–70_–02–I
ULM–70_–06–I
ULM–70N–10–I
ULM–70Xi–10–I
ULM–70_–20–I
ULM–70_–02–I
ULM–70_–06–I
ULM–70N–10–I
ULM–70Xi–10–I
ULM–70_–20–I
(according to EN 60079-10 and EN 60079-14)
Explosive proof – suitable for explosive areas (combustible gases or vapours)
Explosive proof – suitable for explosive areas (combustible gases or vapours)
Explosive proof – suitable for explosive areas (combustible gases or vapours)
4 ... 20 mA (limit value 3.9 ... 20.5 mA), HART
U
=30V DC; I
i
Performance for non-explosive areas
II 1/2G Ex ia IIB T5 with isolating repeater (IRU–420)
the whole level meter – zone 1, front head part – zone 0
II 1/2G Ex ia IIB T5 with isolating repeater (IRU–420)
the whole level meter – zone 1, front head part – zone 0
II 2G Ex ia IIA T5 with isolating repeater (IRU–420)
the whole level meter – zone 1
0.2 ... 2 m
0.25 ... 6 m
0.4 ... 10 m
0.5 ... 20 m
18 ... 36 V DC
18 ... 30 V DC
< 1 mm
0,15%
max. 0.04% / K
10°
14°
12°
-30 ... +70°C
-30 ... +60°C
+90°C / 1 hour
0.1 MPa
3 steps (low – medium – high)
0 ... 99 sec.
1 ... 4 sec.
30 sec.
=132mA; P
=0.99W; C
i
i
i
Adjustable in modes:
3.75 mA ; 22 mA ; last measured value
IP67
screwing with thread G 1''
screwing with thread G 1½''
HDPE fl ange
aluminium alloy fl ange
aluminium alloy fl ange
PVC 2 x 0.75 mm
(3 x 0.5 mm
2
R
= 270 Ω
3)
max
0.3 kg
0.4 kg
0.7 kg
1.2 kg
3.1 kg
=370nF; L
=0.9mH
i
)
2
ULM-70-dat-3.6