OTT SE 200, Operating Instructions Manual

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10 Technical Data
M easuring range
SDI-12 ±30 m; ±98.424 ft
4 … 20 mA 0 … 1 m; 0 … 10 m; 0 … 30 m
0 … 3 ft; 0 … 30 ft; 0 … 90 ft
Resolution
SDI-12 0.001 m; 1 cm; 0.001 ft
4 … 20 mA 0.1 % of the measuring range
Precision
1)
SDI-12 ± 0.003 % of the measuring range ± 1 digit
4 … 20 mA 0.1 % of the measuring range
Units
SDI-12 m; cm; ft
Interfaces SDI-12 or SDI-12/4 … 20 mA
Supply voltage 9 to 30 V DC
Current drawn
SDI-12 Sleep mode < 400 µA
SDI-12 Active mode < 2.0 mA
Dimensions L x W x H 82 mm x 82 mm x 34 mm
Weight 0.250 kg
Casing material Fiberglass reinforced plastic
Type of protection IP 54
Temperature range
Operational –20 … +70 °C
Storage -40 … +85 °C
Relative humidity 10 … 95 % (non-condensing)
Float pulley circumference 200.0 mm
Standard float cable 1 mm Ø
other diameters are scalable; e.g. 0.6 mm
float cable -Ø, adjust float pulley circum-
ference to 198.7 mm
Connecting cable
Length 10 m, 15 m or 30 m
Wire assignment
– green
SDI-12 GND
– brown +V
CC
(typ. 12 V DC) or V + (4 … 20 mA)
– white GND or V – (4 … 20 mA)
– yellow SDI-12 data
E M C limits
– Resistance to complies with EN 61000-4-2 degree of
electrostatic discharge (ESD) severity 2 (4 kV contact discharge)
– Resistance to complies with EN 61000-4-3 degree of
electromagnetic fields severity 3 (10 V/m)
– Resistance to transient complies with EN 61000-4-4 special
fields (burst) degree of severity (4 kV)
– Resistance to surge complies with EN 61000-4-5 degree of
(1 kV) severity 2
– Line-borne and radiated complies with EN 55022 Class B
interference
1) Base precision SE 200 (without float/float cable/counterweight)
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