Technical Data; Power; Performance - Siemens SITRANS LR560 Operating Instructions Manual

Technical data

Note
Device specifications
Siemens makes every attempt to ensure the accuracy of these specifications but reserves
the right to change them at any time.
11.1

Power

Nominal 24 V DC at 550 Ohm loop resistance
(Page 190).
● Maximum 30 V DC
● 4 to 20 mA loop power
Check the device label for the characteristics of the device, and confirm the loop load.
1)
11.2

Performance

Measurement Accuracy
Maximum measured error
Frequency
Maximum measurement range
Minimum detectable distance
Update time
Influence of ambient temperature
Long-term stability
Dielectric constant of material measured
Memory
Reference conditions: POSITION DETECT (2.7.3.3) (Page 122) set to Center and
1)
ALGORITHM (2.7.3.1) (Page 122) set to True First Echo.
Under severe EMI/EMC environments per IEC61326-1 or NAMUR NE21, the device error may
2)
increase to a maximum of 25mm (1").
From sensor reference point.
3)
See Dimension drawings (Page 169).
4)
Reference conditions: RESPONSE RATE (2.4.1.) (Page 114) set to FAST
5)
SITRANS LR560 (mA/HART)
Operating Instructions, 06/2017, A5E34647946-AD
(measured in accordance with IEC 60770-1)
1)
3)
5)
. For other configurations, refer to Loop Power
1
5 mm (0.2") including hysteresis and non-
repeatability
2)
78 to 79 GHz FMCW
40 m version
100 m version
400 mm (15.7") from sensor reference point
maximum 10 seconds, depending on setting for
RESPONSE RATE (2.4.1.) (Page 114)
< 0.003%/K (average over full temperature range,
referenced to maximum range)
<0.1%/24 months
for ranges up to 20 m (65.6 ft)
for ranges up to 100 m (328 ft)
non-volatile EEPROM
no battery required
11
40 m (131 ft)
100 m (328 ft)
4)
minimum dK = 1.6
minimum dK = 2.5
163