Siemens SITRANS LG270 Operating Instructions Manual page 61

Ʋ Pipe thread, conical (ASME B1.20.1)
Ʋ Flanges
Weight
Ʋ Instrument weight (depending on
process fitting)
Ʋ Tube: ø 21.3 mm (0.839 in)
Probe length L (from seal surface)
Ʋ Tube: ø 21.3 mm (0.839 in)
Ʋ Trimming accuracy (tube)
Lateral load - Tube: ø 21.3 mm (0.839 in) 60 Nm (44 lbf ft)
Input variable
Measured variable
Min. dielectric constant of the medium -
coax version
Output variable
Output signal
Range of the output signal
Fulfilled HART specification
Signal resolution
Fault signal, current output (adjustable)
Max. output current
Starting current
Ʋ for 5 ms after switching on
Ʋ for run-up time
Load
Damping (63 % of the input variable),
adjustable
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
The output values can be assigned individually.
1)
The indication values can be assigned individually.
2)
PBD-51041507
¾ NPT, 1 NPT, 1½ NPT
DIN from DN 25, ASME from 1"
approx. 0.8 ... 8 kg (0.176 ... 17.64 lbs)
approx. 1110 g/m (11.9 oz/ft)
up to 6 m (19.69 ft)
< 1 mm (0.039 in)
Level of liquids
ε > 1.4
r
4 ... 20 mA/HART
3.8 ... 20.5 mA/HART (default setting)
7
0.3 µA
Last valid measured value, ≥ 21.0 mA, ≤ 3.6 mA
In order to detect the rarely occurring hardware failures
in the device, we recommend monitoring both interfer-
ence values (≥ 21.0 mA, ≤ 3.6 mA)
21.5 mA
≤ 10 mA
≤ 3.6 mA
see load under Power supply
0 ... 999 s
Linearised percentage value, level
Distance to the level
Measurement reliability, level
Electronics temperature
2)
Filling height Level
Electronics temperature
SITRANS LG270 - Operating Instructions
1)
61