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14-5
Rosemount Tank Radar REX
Chapter 14 Technical Data
Installation Manual
308014EN, Edition 4
May 2013
14.3 RTG 3930
See also section 14.1.
Hazardous locations certifications II 1/2G Ex d IIB Ga/Gb T6
(T
amb
= -40 °C to +70 °C) according
to ATEX directive (EN 50014,
EN 50018, EN 50020, EN 50284
Europe).
Class 1, Div I, Groups C and D
according to UL 1203, UL 913, UL
508 (USA).
Ex d IIB Ga/Gb T6 (T
amb
= -40 °C to
+70 °C) according to IECEx.
Antenna type High directivity parabolic reflector
with drip-off antenna, 440 mm
(17 in.) diameter.
Operating temperature in tank Max. +230° C (+445°F)
Measuring Range 0.8 to 40 m (2.6 to 130 ft) below
flange.
Pressure Clamped: -0.2 to 0.2 bar
(-2.9 to 2.9 psig).
Welded: -0.2 to 10 bar
(-2.9 to 145 psig).
Material exposed to Antenna: Acid proof steel type
tank atmosphere EN 1.4436 (AISI 316).
Sealing: PTFE.
O-ring: FPM (Viton
™
).
Manway size Min. 20 in.
Tank Connection The gauge is clamped in a 96 mm
(3.78 inch) diameter hole, or
welded in a 117 mm (4.61 inch)
diameter hole in manway cover.
Total weight Appr. 25 kg (55 lbs), flange
excluded