VEGA POINTRAC 31 8_16 mA_HART - four-wire With SIL qualification - Manual (Page 47)

47
11 Supplement
POINTRAC 31 • 8/16 mA/HART - four-wire
43388-EN-131119
11 Supplement
11.1 Technical data
General data
316L corresponds to 1.4404 or 1.4435
Materials, non-wetted parts
Ʋ Detector tube 316L
Ʋ Scintillation material PVT (Polyvinyltoluene)
Ʋ Aluminium die-casting housing Aluminium die-casting AlSi10Mg, powder-coated - basis:
Polyester
Ʋ Stainless steel housing 316L
Ʋ Seal between housing and housing
cover
NBR (stainless steel housing, investment casting),
silicone (Aluminium housing)
Ʋ Inspection window in housing cover
(optional)
Polycarbonate
Ʋ Ground terminal 316L
Ʋ Mounting accessory 316L
Process fittings
Ʋ Fastening lugs ø 9 mm (0.35 in), hole centre distance 119 mm (4.69 in)
Weight
Ʋ Aluminium housing, with electronics 3.4 kg (7.5 lbs) + measuring length
Ʋ Stainless steel housing, with electron-
ics
8.36 kg (18.43 lbs) + measuring length
Ʋ Measuring length 152 mm (6 in) 0.98 kg (2.16 lbs)
Ʋ Measuring length 304 mm (12 in) 1.95 kg (4.3 lbs)
Max. torque, mounting screws - fastening
lugs on the sensor housing
50 Nm (36.88 lbf ft)
Max. torque for NPT cable glands and Conduit tubes
Ʋ Aluminium/Stainless steel housing 50 Nm (36.88 lbf ft)
Input variable
Measured variable
The measured variable is the intensity of the gamma
radiation. When the intensity of the radiation is below the
stipulated value due to a damping by the medium, the
POINTRAC 31 switches.