KROHNE OPTISOUND 3030C 2wire EN - Manual (Page 39)

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 2)
Average temperature coefficient of the
zero signal (temperature error)
0.06 %/10 K
Resolution, general max. 1 mm
Ultrasonic frequency 35 kHz
Interval >2 s (dependent on the parameter adjustment)
Beam angle at -3 dB 3°
Adjustment time 3) >3 s (dependent on the parameter adjustment)
Accuracy better than 0.2 % or ±6 mm (see diagram)
15 m 8 m 6 m 4 m 12 m 10 m 3 m
10 mm
20 mm
30 mm
6 mm
-6 mm
-10 mm
-20 mm
-30 mm
Fig. 25: Accuracy OPTISOUND 3030 C
2) Relating to the nominal range, incl. hysteresis and repeatability, determined
acc. to the limit point method.
3) Time to output the correct level (with max. 10 % deviation) after a sudden
level change.
OPTISOUND 3030 C - 4 … 20 mA/HART 39
Supplement
30511
-EN
-050914