Specifications; Power; Performance - Siemens Sitrans LR250 Operating Instructions Manual

Specifications

Notes:
• Siemens Milltronics makes every attempt to ensure the accuracy of these
specifications but reserves the right to change them at any time.

Power

General Purpose:
Intrinsically Safe:
Non-Sparking/Energy Limited:
Non-incendive:
Bus powered
Current consumed

Performance

Reference operating conditions according to IEC 60770-1
• ambient temperature
• humidity
• ambient pressure
Measurement Accuracy (measured in accordance with IEC 60770-1)
• Maximum measured error
- 2" threaded PVDF antenna,
< 500 mm from sensor ref. point = 25 mm (1") including hysteresis and non-
remainder of range
- all other versions
Frequency
Max. measurement range
- 1.5" antenna and
2" threaded PVDF antenna
- all other versions
Min. detectable distance
1)
From sensor reference point: see
Threaded PVDF Antenna
page 12,
2)
Minimum range is antenna length + 50 mm (2"). See
7ML19985JF04 SITRANS LR250 (PROFIBUS PA) – OPERATING INSTRUCTIONS
Per IEC 61158-2 (PROFIBUS PA)
15 mA
+15 to +25
45% to 75% relative humidity
860 to 1060 mbar g (86,000 to 106,000 N/m
repeatability
= 5 mm (0.2") including hysteresis and non-
repeatability
= 5 mm (0.2") including hysteresis and non-
repeatability
K-band
1)
10 m (32.8 ft)
20 m (65.6 ft)
50 mm (1.97") from end of antenna
Threaded Horn Antenna with extension
on page 13, and
o o
C (+59 to +77 F)
Flanged Horn
on page 14.
Dimensions
on page 11.
2
g)
2)
on
Page 7