Specifications; Power; Performance - Siemens SITRANS LR260 Operating Instructions Manual

Specifications

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

Power

Nominal 24 V DC with
max. 550 Ohm loop resis-
tance:
• Maximum 30 V DC
• 4 to 20 mA
• Max startup current

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 (including hysteresis and non-repeatability)
Frequency
Max. measurement range
Min. detectable distance
3)
Update time
Influence of ambient temperature
Dielectric constant of material measured
• Minimum dK
1)
From sensor reference point.
2)
Dimensions:
See on page 11.
3)
Reference conditions:
ON
Page 7 SITRANS LR260 (HART) – INSTRUCTION MANUAL
For other configurations, see the chart under
power
on page 100
Startup Behavior
see
+15 to +25 °C (+59 to +77 °F)
45% to 75% relative humidity
860 to 1060 mbar g (86000 to 106000 N/m
- 25 mm (1") from minimum detectable distance to
300 mm (11.8")
- Remainder of range = 10 mm (0.39") or 0.1% of span
(whichever is greater)
K-band (25 GHz nominal)
1)
2" horn: 10 m (32.8 ft)
3" horn: 20 m (65.6 ft)
4" horn: 30 m (98.4 ft)
2)
0.05 m (1.97") from end of horn
minimum 2 seconds, depending on settings for
Response Rate (2.2.7.1.) and L L CD Fast Mode (4.3.)
< 0.003%/K (average over full temperature range,
referenced to maximum range)
= 1.6 (depending on antenna and application type)
Response Rate (2.2.7.1.)
set to F F AST and
Loop
on page 101
2
g)
LCD Fast Mode (4.3.)
set to
7ML19985KE02