NivoRadar
®
Continuous level measurement
Series NR 4100
Technical information / Instruction manual
Technical data
page 11
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
See load resistance under Power supply
Damping (63 % of the input variable),
adjustable
0 … 999 s
HART output values
1)
Ʋ
PV (Primary Value)
Lin. percent
Ʋ
SV (Secondary Value)
Distance
Ʋ
TV (Third Value)
Measurement reliability
Ʋ
QV (Fourth Value)
Electronics temperature
Fulfilled HART specification
7.0
Further information on Manufacturer ID,
Device ID, Device Revision
See website of FieldComm Group
Deviation (according to DIN EN 60770-1)
Process reference conditions according to DIN EN 61298-1
Ʋ
Temperature
+18 … +30 °C (+64 … +86 °F)
Ʋ
Relative humidity
45 … 75 %
Ʋ
Air pressure
860 … 1060 mbar/86 … 106 kPa (12.5 … 15.4 psig)
Installation reference conditions
Ʋ
Distance to installations
> 200 mm (7.874 in)
Ʋ
Reflector
Flat plate reflector
Ʋ
False reflections
Biggest false signal, 20 dB smaller than the useful
signal
Deviation with liquids
≤ 2 mm (meas. distance > 0.25 m/0.8202 ft)
Non-repeatability
2)
≤ 2 mm
Deviation with bulk solids
The values depend to a great extent on the application.
Binding specifications are thus not possible.
1) The values for SV, TV and QV can be assigned as required.
2) Already included in the meas. deviation