Installation Considerations - Emerson Rosemount 928 Reference Manual

High gain remote antenna option
August 2018
C.2.4 Coaxial material
• Heavy duty, low loss LMR400 cable
• Minimum coaxial bend diameter 1.0 ft. (3.0 m)
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.
186
®
4X and IP66/67
Reference Manual
00809-0100-4928
Rosemount 928