KROHNE OPTISOUND 3040 C 4wire EN - 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 1 m (3.3 ft)
Measuring range
- Liquids
up to 25 m (82 ft)
- Solid up to 15 m (49.2 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 30 kHz
Interval >2 s (dependent on the parameter adjustment)
Beam angle at -3 dB 4°
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 3040 C - 4 ... 20 mA/HART - four-wire
Supplement
30515
-EN
-050914