Performance - Siemens SITRANS Probe LU240 Compact Operating Instructions

Technical specifications

9.2 Performance

9.2 Performance
Reference operating conditions (in accordance with IEC 60770-1)
Ambient temperature
Humidity
Ambient pressure
Measurement accuracy (in accordance with IEC 60770-1)
Measured error (accuracy)
Non-repeatability
Deadband (resolution)
Hysteresis error
Analog output accuracy (in accordance with IEC 60770-1)
Measured error (accuracy)
Non-repeatability
Deadband (resolution)
Hysteresis error
Frequency
Measurement range
Blanking distance
Update time at 4 mA
Beam angle
Temperature compensation
Memory
Reference point for measurement is the transducer face (also known as sensor reference
1)
point).
48
+15 to +25 °C
45 to 75% relative humidity
860 to 1060 mbar
6 m, 12 m version:
• +/- the greater of 0.15% of range or 6 mm (accuracy
valid from 0.25 m)
• +/- 2 mm (0.08 inch) on ranges 4 m (13 ft) or less
3 m version:
• +/-10 mm
≤ 3 mm (0.12") (included in accuracy specification)
≤ 3 mm (0.12") (included in accuracy specification)
Not applicable
±0.0096 mA
<1 μA (included in accuracy specification)
<1 μA (included in accuracy specification)
Not applicable
54 KHz
1)
• Up to 3 m (3 m version)
• Up to 6 m (6 m version)
• Up to 12 m (12 m version)
0.2 m (0.66 ft)
<4 s
10° at -3 dB boundary
Integrated to compensate over temperature range
Non-volatile EEPROM, no battery required
SITRANS Probe LU240 with mA/HART
Compact Operating Instructions, 09/2021, A5E42673704-AE