Siemens SITRANS LR150 - Page 101

Technical data and dimensions
15.1Technical data
Max. measuring range
a
15m (49.21ft)
blanking distance
b
Modes 1, 2, 4 0mm (0in)
Mode 3 ≥250mm (9.843in)
a
Depending on application and medium
b
Depending on the operating conditions
Switch-on phase
Start-up time with operating
voltage U
B
< 15 s
Starting current (for run-up
time)
≤3.6mA
Output variable
Output signal 4…20mA/HART
Range of the output signal 3.8…20.5mA/HART (default setting)
Signal resolution 0.3µA
Resolution, digital 1mm (0.039in)
Fault signal, current output
(adjustable)
≤3.6mA, ≥21mA, last valid measured value
Max. output current 22mA
Starting current ≤3.6mA; ≤10mA for 5ms after switching on
Load 545 Ohm at 24VDC
Damping (63% of the input
variable), adjustable
0…999s
HART output values according to HART7.0
a
PV (Primary Value) Lin. percent
SV (Secondary Value) Distance
TV (Third Value) Measurement reliability
QV (Fourth Value) Electronics temperature
Fulfilled HART specification 7.0
Further information on
Manufacturer ID, Device ID,
Device Revision
See website of HART Communication Foundation
a
Default values can be assigned individually.
Deviation (according to DIN EN60770-1)
Process reference conditions according to DIN EN61298-1
Temperature +18…+30°C (+64…+86°F)
Relative humidity 45…75%
Air pressure 860…1060mbar/86…106kPa (12.5…15.4psig)
Installation reference conditions
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SITRANS LR150
Operating Instructions, 08/2020, A5E50352155