VEGA VEGAFLEX 81 4 … 20 mA_HART - four-wire - Manual (Page 72)

72
11 Supplement
VEGAFLEX 81 • 4 … 20 mA/HART - four-wire
41825-EN-130314
Weight
Ʋ Instrument weight (depending on
process fitting)
approx. 0.8 … 8 kg (0.176 … 17.64 lbs)
Ʋ Rod: ø 8 mm (0.315 in) approx. 400 g/m (4.3 oz/ft)
Ʋ Rod: ø 12 mm (0.472 in) approx. 900 g/m (9.68 oz/ft)
Ʋ Cable: ø 2 mm (0.079 in) approx. 16 g/m (0.17 oz/ft)
Ʋ Cable: ø 4 mm (0.157 in) approx. 60 g/m (0.65 oz/ft)
Ʋ Gravity weight for cable ø 2 mm
(0.079 in)
100 g (3.22 oz)
Ʋ Gravity weight for cable ø 4 mm
(0.157 in)
200 g (6.43 oz)
Ʋ Centering weight ø 40 mm (1.575 in) 180 g (5.79 oz)
Ʋ Centering weight ø 45 mm (1.772 in) 250 g (8.04 oz)
Ʋ Centering weight ø 75 mm (2.953 in) 825 g (26.52 oz)
Ʋ Centering weight (ø 95 mm (3.74 in) 1050 g (33.76 oz)
Probe length L (from seal surface)
Ʋ Rod: ø 8 mm (0.315 in) up to 6 m (19.69 ft)
Ʋ Rod: ø 12 mm (0.472 in) up to 6 m (19.69 ft)
Ʋ Trimming accuracy - rod ±1 mm
Ʋ Cable: ø 2 mm (0.079 in) up to 75 m (246.1 ft)
Ʋ Cable: ø 4 mm (0.157 in) up to 75 m (246 ft)
Ʋ Trimming accuracy - cable ±0.05 %
Lateral load
Ʋ Rod: ø 8 mm (0.315 in) 10 Nm (7.38 lbf ft)
Ʋ Rod: ø 12 mm (0.472 in) 30 Nm (22.13 lbf ft)
Max. tensile load
Ʋ Cable: ø 2 mm (0.079 in) 1.5 KN (337 lbf)
Ʋ Cable: ø 4 mm (0.157 in) 2.5 KN (562 lbf)
Thread in gravity weight, e.g. for eye-bolt
(cable version)
M 8
Torque for exchangeable cable or rod probe (in the process fitting)
Ʋ Cable: ø 2 mm (0.079 in) 6 Nm (4.43 lbf ft)
Ʋ Cable: ø 4 mm (0.157 in) 6 Nm (4.43 lbf ft)
Ʋ Rod: ø 8 mm (0.315 in) 6 Nm (4.43 lbf ft)
Ʋ Rod: ø 12 mm (0.472 in) 10 Nm (7.38 lbf ft)
Torque for NPT cable glands and Conduit tubes
Ʋ Plastic housing max. 10 Nm (7.376 lbf ft)
Ʋ Aluminium/Stainless steel housing max. 50 Nm (36.88 lbf ft)
Input variable
Measured variable
Level of liquids
Min. dielectric constant of the medium