Siemens SITRANS LG270 Operating Instructions Manual page 70

Ʋ Helium leak rate
Ʋ Pressure resistance
Process fittings
Ʋ Pipe thread, cylindrical (ISO 228 T1)
Ʋ Pipe thread, conical (ASME B1.20.1)
Ʋ Flanges
Weight
Ʋ Instrument weight (depending on
process fitting)
Ʋ Rod: ø 8 mm (0.315 in)
Ʋ Cable: ø 2 mm (0.079 in)
Ʋ Cable: ø 4 mm (0.157 in)
Ʋ Gravity weight
Probe length L (from seal surface)
Ʋ Rod: ø 8 mm (0.315 in)
Ʋ Trimming accuracy (rod)
Ʋ Cable: ø 2 mm (0.079 in)
Ʋ Cable: ø 4 mm (0.157 in)
Ʋ Trimming accuracy (cable)
Lateral load
Ʋ Rod: ø 8 mm (0.315 in)
Max. tensile load with cable: ø 2 mm
(0.079 in)
Max. tensile load with cable: ø 4 mm
(0.157 in)
Thread in gravity weight (cable version)
Input variable
Measured variable
Min. dielectric constant of the medium -
rod, cable version
Output variable
Output signal
Transmission rate
Sensor address
Damping (63 % of the input variable)
Profibus PA profile
Number of FBs with AI (function blocks
with analogue input)
Default values
Ʋ 1. FB
70
< 10 mbar l/s
-6
See process pressure of the sensor
G¾, G1, G1½ (DIN 3852-A)
¾ NPT, 1 NPT, 1½ NPT
DIN from DN 25, ASME from 1"
approx. 0.8 ... 8 kg (0.176 ... 17.64 lbs)
approx. 400 g/m (4.31 oz/ft)
approx. 20 g/m (0.22 oz/ft)
approx. 80 g/m (0.86 oz/ft)
approx. 325 g (11.5 oz)
up to 4 m (13.12 ft)
±(2 mm + 0.05 % of the rod length)
up to 32 m (105 ft)
up to 32 m (105 ft)
±(2 mm + 0.05 % of the cable length)
4 Nm (3 lbf ft)
1.5 KN (337 lbf)
2.5 KN (562 lbf)
M 12
Level of liquids
ε > 1.7
r
digital output signal, Profibus protocol
31.25 Kbit/s
126 (default setting)
0 ... 999 s, adjustable
3.02
3
Primary Value (filling height linearized in %)
SITRANS LG270 - Operating Instructions PBD-51041506