Sitron SLU, Руководство по установке, Страница: 23 / 24

23
Measuring range 1)
Adjustable measuring range (SPAN) Min. 200 mm
Supply voltage
SLU(02/06/10/20)-N
SLU(02/06/10/20)-X 18 ... 36 V DC
18 ... 30 V DC
Output
SLU(02/06/10/20)-C
SLU(02/06/10/20)-M ®
Current consumption
SLU-C
SLU-M 4 ... 20 mA / Max. 22 mA
Max. 20 mA
Resolution
SLU02 ; 10
SLU06
SLU20 < 1 mm
< 2 mm
< 2,5 mm
Accuracy (within the total range) 0.15 %
Temperature error Max. 0.04% / K
Operating frequency
SLU02
SLU06
SLU10
SLU20 120 kHz
75 kHz
50 kHz
30 kHz
SLU02 ; 10
SLU06
SLU20 10°
14°
12°
Ambient temperature range
SLU02 ; 06
SLU10 ; 20 -30 ... +70°C
-30 ... +60°C
Short-time temperature stress resistance +90°C / 1 h.
Max. operation overpressure (on transmission surface) 0.1 MPa
Sensitivity 3 Settings (low – medium – high)
Damping
0 ... 99 s
Measuring period 1 ... 4 s
Rise time cca. 30 s
3)
Protection class
IP67
Mechanical connection
SLU02
SLU06
SLU10
SLU20 thread G 1'' (Optinal Horn adapter)
thread G 1.1/2" (Optional Horn adapter)
thread G 2.1/4" (Optional Horn adapter)
Aluminium alloy flange
Recommended cable
SLU(02/06/10/20)-C
SLU(02/06/10/20)-M
Maximal resistance of current output load U = 24 V DC
U = 22 V DC
U = 20 V DC
R
max
= 270 Ω
2)
R
max
= 180 Ω
R
max
= 90 Ω
Weight
SLU02
SLU06
SLU10
SLU20 0.3 kg
0.4 kg
0.7 kg
3.1 kg
1) In case the level of bulk-solid materials is measured, the measurement range is reduced.
2) Including 250R resistor in case of HART connection.
Display type Matrix OLED
Resolution 128 x 64 pixel
Character height / Number of digits measured value 9 mm / 5 Digits
Display colour Yellow
Buttons Membrane switch panel
Ambient temperature range -30 ... +70 °C
Weight 46 g
Technical Specifications
Level meter
SLU-02 0.15 ... 2 m
SLU-06 0.25 ... 6 m
SLU-10 0.4 ... 10 m
SLU-20 0.5 ... 20 m
4 ... 20mA (Limit values 3.9 ... 20.5 mA), HART
RS-485 with protocol Modbus RTU
Beamwidth (-3 dB)
Additional technical data for Ex proof - Max. internal values
U=30V DC; I=132mA; P=0.99W C=370nF L=0.9mH
i
i
i
i
i
Failure indication
(echo loss, level in dead zone , internal failure)
Adjustable in modes:
3.75mA; 22mA; Last measured value
PVC 2 x 0.75mm²
PVC 2 x 2 x 0.25mm² (twisted pair, shielded)
Display module
Installation Manual