VEGA VEGAFLEX 81 4 … 20 mA_HART - four-wire Coax probe - Manual (Page 66)

66
11 Supplement
VEGAFLEX 81 • 4 … 20 mA/HART - four-wire
42280-EN-130314
Ʋ Pipe thread, cylindrical (ISO 228 T1) G1½ according to DIN 3852-A
Ʋ American pipe thread, conical
(ASME B1.20.1)
1½ NPT
Ʋ Flanges DIN from DN 50, ANSI from 2"
Weight
Ʋ Instrument weight (depending on
process fitting)
approx. 0.8 … 8 kg (0.176 … 17.64 lbs)
Ʋ Tube: ø 21.3 mm (0.839 in) approx. 1110 g/m (11.9 oz/ft)
Ʋ Tube: ø 42.2 mm (1.661 in) approx. 3100 g/m (33.3 oz/ft)
Probe length L (from seal surface)
Ʋ Tube: ø 21.3 mm (0.839 in) up to 6 m (19.69 ft)
Ʋ Tube: ø 42.2 mm (1.661 in) up to 6 m (19.69 ft)
Ʋ Trimming accuracy - tube ±1 mm
Lateral load
Ʋ Tube: ø 21.3 mm (0.839 in) 60 Nm (44 lbf ft)
Ʋ Tube: ø 42.2 mm (1.661 in) 300 Nm (221 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 ε
r
≥ 1.4