Siemens SITRANS LG250 Operating Instructions Manual page 74

Process fittings
Ʋ Pipe thread, cylindrical (ISO 228 T1)
Ʋ American 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 Rod: ø 12 mm (0.472 in)
Ʋ Cable: ø 2 mm (0.079 in)
Ʋ Cable: ø 4 mm (0.157 in)
Ʋ Gravity weight for cable ø 2 mm
(0.079 in)
Ʋ Gravity weight for cable ø 4 mm
(0.157 in)
Ʋ Centering weight ø 40 mm (1.575 in)
Ʋ Centering weight ø 45 mm (1.772 in)
Ʋ Centering weight ø 75 mm (2.953 in)
Ʋ Centering weight (ø 95 mm (3.74 in)
Probe length L (from seal surface)
Ʋ Rod: ø 8 mm (0.315 in)
Ʋ Rod: ø 12 mm (0.472 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)
Ʋ Rod: ø 12 mm (0.472 in)
Max. tensile load
Ʋ Cable: ø 2 mm (0.079 in) - 316
(1.4401)
Ʋ Cable: ø 2 mm (0.079 in) - Alloy C276
(2.4819)
Ʋ Cable: ø 4 mm (0.157 in)
Thread in gravity weight, e.g. for eye-bolt
(cable version)
Torque for exchangeable cable or rod probe (in the process fitting)
Ʋ Cable: ø 2 mm (0.079 in)
Ʋ Cable: ø 4 mm (0.157 in)
Ʋ Rod: ø 8 mm (0.315 in)
74
G¾, G1, G1½ according to DIN 3852-A
¾ NPT, 1 NPT, 1½ NPT
e.g. DIN from DN 25, ASME from 1"
approx. 0.8 ... 8 kg (0.176 ... 17.64 lbs)
approx. 400 g/m (4.3 oz/ft)
approx. 900 g/m (9.68 oz/ft)
approx. 16 g/m (0.17 oz/ft)
approx. 60 g/m (0.65 oz/ft)
100 g (3.22 oz)
200 g (6.43 oz)
180 g (5.79 oz)
250 g (8.04 oz)
825 g (26.52 oz)
1050 g (33.76 oz)
up to 6 m (19.69 ft)
up to 6 m (19.69 ft)
±(1 mm + 0.05 % of the rod length)
up to 75 m (246.1 ft)
up to 75 m (246 ft)
±(2 mm + 0.05 % of the cable length)
10 Nm (7.38 lbf ft)
30 Nm (22.13 lbf ft)
1.5 KN (337 lbf)
1.0 KN (225 lbf)
2.5 KN (562 lbf)
M 8
6 Nm (4.43 lbf ft)
6 Nm (4.43 lbf ft)
6 Nm (4.43 lbf ft)
SITRANS LG250 - Operating Instructions PBD-51041388