Performance; Interface - Siemens SITRANS L LU240 Compact Operating Instructions

Technical data

9.3 Interface

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).
9.3 Interface
HART
Configuration
Display (local)
50
+15 to +25 °C
45 to 75% relative humidity
860 to 1060 mbar
+/- the greater of 0.15% of range or 6mm (accuracy valid from
0.25 m)
≤ 3 mm (0.12") (included in accuracy specification)
≤ 3 mm (0.12") (included in accuracy specification)
Not applicable
0.02% of 4..20 mA span (including hysteresis and non-re‐
peatability)
<1 μA (included in accuracy specification)
<1 μA (included in accuracy specification)
Not applicable
54 KHz
● Up to 6 m (6 m device)
1)
● Up to 12 m (12 m device)
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
Standard, integral to analog output
Local buttons, or engineering system such as Siemens SI‐
MATIC PDM (via PC)
Multi-segment alphanumeric liquid crystal, with bar graph
(representing Level)
SITRANS Probe LU240 with mA/HART
Compact Operating Instructions, 10/2018, A5E42673704-AB