Siemens SITRANS L Series Istruzioni per l'uso compatte - Pagina 40
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Technical data
8.2 Performance
8.2
Performance
Performance
Reference operating conditions according to IEC 60770-1
Measurement Accuracy (measured in accordance with IEC 60770-1)
Analog Output Accuracy (measured in accordance with IEC 60770-1)
Frequency
Max. measurement range
Update time
Minimum detectable distance
Influence of ambient temperature
Dielectric constant
Memory
1) Under specific strong electromagnetic fields the output can vary < +/- 0.5% of maximum
range.
2) Referenced from the sensor reference point.
8.3
Construction
Process
connections
Antenna
40
1)
Ambient temperature
Humidity
Ambient pressure
From end of antenna to 600mm
(1.96ft)
Remainder of range
Non-linearity (accuracy)
Non-repeatability
Deadband (resolution)
2)
2)
threaded connection
polypropylene rod
+15 to +25 °C (+59 to +77 °F)
45% to 75% relative humidity
860 to 1060 mbar g (86000 to 106000 N/m
40mm (1.57")
the greater of: 10 mm (0.4"), or 0.10% of Span
0.125% of Span (including hysteresis and nonre-
peatability)
0.025% of Span (included in non-linearity specifica-
tion)
0.0375% of Span (included in non-linearity specifi-
cation)
C-band, approx. 6 GHz
20 m (65 ft)
mA output and loop display is updated once per
second
0.3 m (1 ft), plus the shield length (if any)
0.003% / K
εr > 3
non-volatile EEPROM
•
no battery required.
•
1.5" NPT, BSP, or G (BS EN ISO 228-1)
hermetically sealed construction standard 100 mm (4")
shield for maximum 100 mm (4") nozzle, or optional
250 mm (10") long shield
SITRANS Probe LR with mA/HART
Compact Operating Instructions, 05/2019, A5E46248119-AC
g)
2