Supplement; Technical Data - Vega MINITRAC 31 Operating Instructions Manual

11 Supplement

11 Supplement

11.1 Technical data

Note for approved instruments
The technical data in the respective safety instructions which are included in delivery are valid for
approved instruments (e.g. with Ex approval). These data can differ from the data listed herein, for
example regarding the process conditions or the voltage supply.
All approval documents can be downloaded from our homepage.
General data
316L corresponds to 1.4404 or 1.4435
Materials, non-wetted parts
Ʋ Scintillation material
Ʋ Aluminium die-cast housing
Ʋ Stainless steel housing
Ʋ Seal between housing and housing lid NBR (stainless steel housing, investment casting),
Ʋ Inspection window in housing cover
(optional)
Ʋ Ground terminal
Ʋ Cable gland
Ʋ Sealing, cable gland
Ʋ Blind plug, cable gland
Process fittings
Ʋ Fastening lugs
Weight
Ʋ Aluminium housing, with electronics
Ʋ Stainless steel housing, with electron-
ics
Ʋ Maximum total weight, incl. accessory 72 kg (158 lbs)
Max. torque, mounting screws
Ʋ Fastening lugs in the sensor housing
Max. torque for NPT cable glands and Conduit tubes
Ʋ Aluminium/Stainless steel housing
Input variable
Measured variable
Analogue input
Ʋ Input type
74
NaI (sodium iodide)
Aluminium die-casting AlSi10Mg, powder-coated (Basis:
Polyester)
316L
silicone (Aluminium housing)
Polycarbonate or glass
316L
PA, stainless steel, brass
NBR
PA, stainless steel
ø 9 mm (0.35 in), hole centre distance 119 mm (4.69 in)
4.1 kg (9 lbs)
9.1 kg (20.1 lbs)
15 Nm (11.1 lbf ft), stainless steel A4-70
50 Nm (36.88 lbf ft)
The measured variable is the intensity of the gamma ra-
diation of an isotope. If the radiation intensity decreases,
e.g. due to increasing product density, the measured
value of MINITRAC 31 changes in proportion to the
density.
4 ... 20 mA, passive
MINITRAC 31 • Foundation Fieldbus