KROHNE OPTISOUND 3050C 4wire EN User Manual
Page 42
Input variable
Parameter
- Version A
distance between lower edge of the flange and
product surface
- version B, C and D
distance between lower edge of the transducer
and product surface
Dead zone
0.8 m (2.6 ft)
Measuring range
- Liquids
up to 45 m (147.6 ft)
- Solid
up to 25 m (82 ft)
Accuracy (similar to DIN EN 60770-1)
Reference conditions acc. to DIN EN 61298-1
- Temperature
18 … +30°C (64 … +86°F)
- Relative humidity
45 … 75 %
- Atmospheric pressure
860 … 1060 mbar (86 … 106 kPa/
12.5 … 15.4 psi)
Characteristic curve deviation and measurement characteristics
4)
Average temperature coefficient of the
zero signal (temperature error elec-
tronics)
0.06 %/10 K
Resolution, general
max. 1 mm
Ultrasonic frequency
18 kHz
Interval
>2 s (dependent on the parameter adjustment)
Beam angle at -3 dB
5°
Adjustment time
5)
>3 s (dependent on the parameter adjustment)
Accuracy
better than 0.2 % or ±6 mm (see diagram)
4)
Relating to the nominal range, incl. hysteresis and repeatability, determined
acc. to the limit point method.
5)
Time to output the correct level (with max. 10 % deviation) after a sudden
level change.
42
OPTISOUND 3050 C - 4 ... 20 mA/HART - four-wire
Supplement
30518
-EN
-050914