Performance - Siemens SITRANS LR500 Series Operating Instructions Manual

12.3

Performance

Recommended measuring range
Version
LR510
Threaded connection
anntenna
LR530
Flanged encapsulated
PTFE antenna
LR550
Polymeric horn anten‐
na
LR580
Lens antenna
Measurement Accuracy (measured in accordance with IEC 60770-1)
Maximum measured error
Frequency
Minimum detectable distance
Update time
Influence of ambient temperature
Dielectric constant of material measured
Repeatability
Resolution
From minimum detectable distance to 30 m (98.4 ft) range, digital value, frequency mode
1)
1
+/- 10 mm (0.39 in) from reference point to 250 mm (9.84 in) distance
2)
From sensor reference point: see Dimensions (Page 187).
3)
Current output damping, number of shots averaging, fill & empty rate limit settings all
4)
reduce response time
SITRANS LR500 series with mA/HART
Operating Instructions, 03/2024, A5E51099898-AA
Size Beam an‐
gle
G¾" 14°
¾" NPT
G1" 10°
1" NPT
G1½" 10°
1½ NPT (250 °C)
G1½" 7°
1½ NPT (150 °C)
≥ DN 25 10°
≥ DN 50, 2" 6°
≥ DN 80, 3" 3°
DN 80 3°
≥ DN 80, 3" 3°
= 1 mm (0.04")
peatability
W band, 80GHz nominal
Frequency modes 1, 2, 4
Frequency mode 3
3 measurements per second
Temperature drift
Digital output < 3 mm/10 K, max. 5 mm (0.2 in) over
the full operating range
dK > 1.6
0.5 mm (0.02 in)
0.5 mm (0.02 in)
Technical specifications
12.3 Performance
Recommended measur‐
ing range up to
10 m (32.81 ft)
20 m (65.62 ft)
30 m (98.42 ft)
30 m (98.42 ft)
20 m (65.62 ft)
30 m (98.42 ft)
120 m (393.7 ft)
120 m (393.7 ft)
120 m (393.7 ft)
including hysteresis and non-re‐
1) 2) 3)
liquids: 0 m (0 ft)
liquids: 0.25 m (0.82 ft)
4)
Permitted use
Tank only
Tank only
Tank only
Tank/ open air
Tank only
Tank/ open air
Tank/ open air
Tank/ open air
Tank/ open air
171