Installation Considerations - Emerson Rosemount 928 Reference Manual

High gain remote antenna option
February 2023
C.2.5 Antenna
• Remote-mount omni directional antenna
• Fiberglass and aluminum construction
• 8 Db Gain
• Meets MIL-STD-810G (method 510.5, procedure I and II)
C.2.6 Physical specifications
Weight: 1.0 lb. (0.4 kg)
C.2.7 RF lightning arrestor
In-line lightning arrestor
Electrical connection: lightning arrestor MUST be grounded per local electrical codes and
regulations.
Mounting bracket
• Horizontal or vertical mast accommodation
• Supported mast diameter: 1.0 to 2.5 in. (2.5 to 6.4 cm)
• Aluminum bracket
• Nickel/zinc plated mounting U-bolts
C.2.8 Ratings
NEMA
C.2.9 Vibration
3 g maximum vibration
C.3

Installation considerations

C.3.1 Antenna mounting
Mount antenna vertically (±5°).
C.3.2 Antenna height
Mount antenna 14 ft. (4.3 m) above infrastructure with clear line of sight.
C.3.3 Coaxial cable
Ensure that coaxial cable is securely affixed to the mast to avoid excessive cable
movement.
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4X and IP66/67
®
Reference Manual
00809-0100-4928
Emerson.com/Rosemount