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Technical data and dimensions
15.1 Technical data
Max. measuring range
15 m (49.21 ft)
blanking distance
Modes 1, 2, 4
0 mm (0 in)
Mode 3
≥ 250 mm (9.843 in)
Depending on application and medium
Depending on the operating conditions
Switch-on phase
Start-up time with operating
voltage U
B
< 1
5
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
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
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
92
SITRANS LR150
Operating Instructions, 08/2020,
A5E50352155