User's Manual

Table Of Contents
A5E32337685 SITRANS LR260 (PROFIBUS PA) – OPERATING INSTRUCTIONS Page 5
mmmmm
Specifications
Specifications
Power
Bus powered Per IEC 61158-2 (PROFIBUS PA)
Current consumed 15.0 mA (General Purpose or Intrinsically Safe version)
Performance
Reference operating conditions according to IEC 60770-1
ambient temperature +15 to +25 °C (+59 to +77 °F)
humidity 45% to 75% relative humidity
ambient pressure 860 to 1060 mbar g (86,000 to 106,000 N/m
2
g)
Measurement Accuracy (measured in accordance with IEC 60770-1)
Maximum measured error (including hysteresis and non-repeatability)
- 25 mm (1") from minimum detectable distance
up to 300 mm
- Remainder of range = 10 mm (0.39") or 0.1% of span
(whichever is greater)
Frequency K-band (25 GHz nominal)
Max. measurement range
1)
solids 2" horn: 10 m (32.8 ft)
3" horn: 20 m (65.6 ft)
4" horn: 30 m (98.4 ft)
liquids 2" horn: 20 m (65.6 ft)
3" horn: 30 m (98.4 ft)
4" horn: 30 m (98.4 ft)
Min. detectable distance
2)
0.05 m (1.97") from end of horn
Update time
3)
minimum 2 seconds, depending on Response Rate
(2.2.6.1.) and LCD Fast Mode (4.2.)
Influence of ambient temperature <0.003% / K (average over full temperature range,
referenced to maximum range)
Notes:
Siemens Milltronics makes every attempt to ensure the accuracy of these
specifications but reserves the right to change them at any time.
1)
From sensor reference point.
2)
See
Dimensions
on page 9.
3)
Reference conditions: Response Rate (2.2.6.1.) set to FAST and LCD Fast Mode
(4.2.) set to ON