Siemens SITRANS LG270 Operating Instructions Manual page 71

Guided wave radar 4...20 ma/hart - our-wire rod and cable probe -196...+280 c; -196...+450 c
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Ʋ Cable: ø 4 mm (0.157 in)
Ʋ Rod: ø 16 mm (0.63 in)
Torque for NPT cable glands and Conduit tubes
Ʋ Plastic housing
Ʋ Aluminium/Stainless steel housing
Input variable
Measured variable
Min. dielectric constant of the medium
Ʋ Cable probes
Ʋ Rod probes
Output variable
Output signals
Range of the output signal
Terminal voltage passive
Shortcircuit protection
Potential separation
Signal resolution
Fault signal, current output (adjustable)
Max. output current
Starting current
Load (4 ... 20 mA/HART - active)
Damping (63 % of the input variable)
HART output values according to HART 7 (default setting)
Ʋ First HART value (PV)
Ʋ Second HART value (SV)
Ʋ Third HART value (TV)
Ʋ Fourth HART value (QV)
Indication value - Display and adjustment module
Ʋ Displayed value 1
Ʋ Displayed value 2
Resolution, digital
Accuracy (according to DIN EN 60770-1)
Process reference conditions according to DIN EN 61298-1
Ʋ Temperature
Ʋ Relative humidity
Ʋ Air pressure
The output values can be assigned individually.
1)
The indication values can be assigned individually.
2)
PBD-51041064
20 Nm (14.75 lbf ft)
20 Nm (14.75 lbf ft)
max. 10 Nm (7.376 lbf ft)
max. 50 Nm (36.88 lbf ft)
Level of liquids
ε
≥ 1.6
r
ε
≥ 1.6
r
4 ... 20 mA/HART - active; 4 ... 20 mA/HART - passive
3.8 ... 20.5 mA/HART (default setting)
9 ... 30 V DC
Available
Available
0.3 µA
Last valid measured value, ≥ 21.0 mA, ≤ 3.6 mA
21 mA
≤ 3.6 mA
< 500 Ω
0 ... 999 s, adjustable
Linearised percentage value, level
Distance to the level
Measurement certainty, level
Electronics temperature
2)
Filling height - Level
Electronics temperature
< 1 mm (0.039 in)
+18 ... +30 °C (+64 ... +86 °F)
45 ... 75 %
+860 ... +1060 mbar/+86 ... +106 kPa
(+12.5 ... +15.4 psig)
SITRANS LG270 - Operating Instructions
1)
71

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