Installation Manual

Rosemount Tank Radar REX

308014EN, Edition 4

Chapter 10 Mechanical Installation

May 2013

 

 

10.2Mounting the Parabolic Antenna Gauge

See also Mechancial Installation drawings 9150072-982, 9240003-944, - 947 for further information.

10.2.1Inclination

The inclination of the gauge should not exceed 1.5 ° towards the center of the tank. For products with high condensation, like bitumen/asphalt applications, the radar beam should be directed vertically without any inclination.

The RTG 3930 is mounted on the tank nozzle by using the Flange Ball. The Flange Ball is designed to make it easy to adjust the inclination of the transmitter within the specified limits.

There are two versions of the Flange Ball: T30 and T38-W. Model T 38- W is welded on the flange. Model T 30 is attached to the flange with a nut. The Flange Ball must be mounted on the tank flange prior to mounting the gauge on the tank nozzle.

Inclination - Flange Ball model T30

For Flange Ball model T30 the flange may lean a maximum of 4.5° away from the tank wall, and a maximum of 2° towards the tank wall. It must also be horizontal within ±3° along the tank wall, see Figure 10-4, Figure 10-5and Figure 10-6.

3930_FlangeReq_1.eps

Figure 10-4. Maximum inclination of flange along the tank wall.

10-6

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Emerson 308014EN, Edition 4 10-6, Mounting the Parabolic Antenna Gauge, Inclination Flange Ball model T30
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308014EN, Edition 4 specifications

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