Vega FIBERTRAC 31 - Supplement; Technical data

77
13 Supplement
FIBERTRAC 31 • Probus PA
43833-EN-170126
13 Supplement
13.1 Technical data
Note for approved instruments
The technical data in the respective safety instructions are valid for approved instruments (e.g. with
Ex approval). These data can dier from the data listed herein, for example regarding the process
conditions or the voltage supply.
General data
316L corresponds to 1.4404 or 1.4435
Materials, non-wetted parts
Ʋ Detector hose Galvanized steel with Santoprene rubber coating
Ʋ Scintillation material PS (Polystyrene)
Ʋ Aluminium die-cast housing Aluminium die-casting AlSi10Mg, powder-coated - basis:
Polyester
Ʋ Stainless steel housing 316L
Ʋ Seal between housing and housing lid NBR (stainless steel housing, investment casting),
silicone (Aluminium housing)
Ʋ Inspection window in housing cover
(optional)
Polycarbonate
Ʋ Ground terminal 316L
Ʋ Cable gland PA, stainless steel, brass
Ʋ Sealing, cable gland NBR
Ʋ Blind plug, cable gland PA
Ʋ Mounting accessories 316L
Process ttings
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) + Detector hose
Ʋ Stainless steel housing, with electron-
ics
9.2 kg (20.3 lbs) + Detector hose
Ʋ Detector hose 1.22 kg/m (0.82 lbs/ft)
Max. torque, mounting screws
Ʋ Fastening lugs in the sensor housing 15 Nm (11.1 lbf ft), stainless steel A4-70
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 of an isotope. When the radiation intensity
decreases, for example due to rising medium, the meas-
ured value of FIBERTRAC 31 changes in proportion to
the level.